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50% off
2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur 2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur

2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur

$880.60$1761.21

Diamond instrument data, gemstone refractometer, diamond refractive index instrument, gemstone identification tool Diamond instrument data, gemstone refractometer, diamond refractive index instrument, gemstone identification tool

Diamond instrument data, gemstone refractometer, diamond refractive index instrument, gemstone identification tool

$1630.20$1630.20

20% off
150x80mm Telescope High-Power Astronomy & Landscape Viewing Refractor Metal Mount Telescope for Adults & Beginners 150x80mm Telescope High-Power Astronomy & Landscape Viewing Refractor Metal Mount Telescope for Adults & Beginners

150x80mm Telescope High-Power Astronomy & Landscape Viewing Refractor Metal Mount Telescope for Adults & Beginners

$1067.47$1334.34

30% off
NV8100P Distance measuring version of binocular 3D night vision device 850nm IR independent adjustment of refractive error NV8100P Distance measuring version of binocular 3D night vision device 850nm IR independent adjustment of refractive error

NV8100P Distance measuring version of binocular 3D night vision device 850nm IR independent adjustment of refractive error

$1089.90$1557.00

Orthoptic For Refractive Errors Amblyopia Squint Stereo New Stereoscopic Variable Prismatic Trainer Visual Training Tools Orthoptic For Refractive Errors Amblyopia Squint Stereo New Stereoscopic Variable Prismatic Trainer Visual Training Tools

Orthoptic For Refractive Errors Amblyopia Squint Stereo New Stereoscopic Variable Prismatic Trainer Visual Training Tools

$1399.00$1399.00

Instrument for Identifying Genuine and Fake Diamonds Gemstone Refractometer Refractive Index Inspection and Identification Tool

Instrument for Identifying Genuine and Fake Diamonds Gemstone Refractometer Refractive Index Inspection and Identification Tool

$1071.05$1071.05

49% off
Digital Sugar Refractometer Honey Refractometer Sugar Content Tester Brix 0-94% 0-90% 0-50% ATC Refracto Meter For Fruit Juice Digital Sugar Refractometer Honey Refractometer Sugar Content Tester Brix 0-94% 0-90% 0-50% ATC Refracto Meter For Fruit Juice

Digital Sugar Refractometer Honey Refractometer Sugar Content Tester Brix 0-94% 0-90% 0-50% ATC Refracto Meter For Fruit Juice

$581.99$1142.96

11 sold
50% off
D131F700 D131F1200 Refractive Objective Lens Double Separation with Blue or Green Film HD Astronomical Telescope DIY Accessories D131F700 D131F1200 Refractive Objective Lens Double Separation with Blue or Green Film HD Astronomical Telescope DIY Accessories

D131F700 D131F1200 Refractive Objective Lens Double Separation with Blue or Green Film HD Astronomical Telescope DIY Accessories

$844.60$1689.20

4 sold
10% off
New Heavy Duty Gem Refractometer 1.30-1 RI with Refractive Index Oil High Precision Gem Tools Mini Flashlight Jeweler New Heavy Duty Gem Refractometer 1.30-1 RI with Refractive Index Oil High Precision Gem Tools Mini Flashlight Jeweler

New Heavy Duty Gem Refractometer 1.30-1 RI with Refractive Index Oil High Precision Gem Tools Mini Flashlight Jeweler

$855.17$950.19

M78x1 Thread Focuser Adapter Ring All-metal Connecting with 140x3.2mm PVC Pipe for DIY 2 Inch Refractive Telescope M78x1 Thread Focuser Adapter Ring All-metal Connecting with 140x3.2mm PVC Pipe for DIY 2 Inch Refractive Telescope

M78x1 Thread Focuser Adapter Ring All-metal Connecting with 140x3.2mm PVC Pipe for DIY 2 Inch Refractive Telescope

$549.00$549.00

35% off
SVBONY SV202 Binoculars 8x32 Telescope ED Bak4 Prism Waterproof Magnesium Alloy Chassis Suitable for Bird Watching Outdoors SVBONY SV202 Binoculars 8x32 Telescope ED Bak4 Prism Waterproof Magnesium Alloy Chassis Suitable for Bird Watching Outdoors

SVBONY SV202 Binoculars 8x32 Telescope ED Bak4 Prism Waterproof Magnesium Alloy Chassis Suitable for Bird Watching Outdoors

$163.31$253.78

2 sold
Spectroscope Simulated eye Refractive inspection Practitioner Angle adjustable Novice optometry practice Prosthetic eye teaching Spectroscope Simulated eye Refractive inspection Practitioner Angle adjustable Novice optometry practice Prosthetic eye teaching

Spectroscope Simulated eye Refractive inspection Practitioner Angle adjustable Novice optometry practice Prosthetic eye teaching

$1212.60$1212.60

30% off
Svbony SV47 Binoculars Portable FMC IPX7 Waterproof and Fog Resistant Prism with Aluminum Reflective Coating for Bird Watching Svbony SV47 Binoculars Portable FMC IPX7 Waterproof and Fog Resistant Prism with Aluminum Reflective Coating for Bird Watching

Svbony SV47 Binoculars Portable FMC IPX7 Waterproof and Fog Resistant Prism with Aluminum Reflective Coating for Bird Watching

$89.99$128.56

1 sold
23% off
1PCS 105mm Doublet Optical Glass Lens Focal 800mm Astronomical Telescope Refraction Mirror W/ Multi -layer Film Lenses 1PCS 105mm Doublet Optical Glass Lens Focal 800mm Astronomical Telescope Refraction Mirror W/ Multi -layer Film Lenses

1PCS 105mm Doublet Optical Glass Lens Focal 800mm Astronomical Telescope Refraction Mirror W/ Multi -layer Film Lenses

$119.34$154.99

White High Definition Refraction Monocular Astronomy Children Beginner Star and Moon White High Definition Refraction Monocular Astronomy Children Beginner Star and Moon

White High Definition Refraction Monocular Astronomy Children Beginner Star and Moon

$1353.99$1353.99

10% off
131mm Double-separate Achromatic Lens DIY Optical Glass Coated Objective Lens for Refractive Astronomical Telescope 131mm Double-separate Achromatic Lens DIY Optical Glass Coated Objective Lens for Refractive Astronomical Telescope

131mm Double-separate Achromatic Lens DIY Optical Glass Coated Objective Lens for Refractive Astronomical Telescope

$997.78$1108.65

Manual Lensmeter Hand Operated Optical Lens Power Measuring Tester Professional Eyeglass Refraction Equipment for Optical Shop Manual Lensmeter Hand Operated Optical Lens Power Measuring Tester Professional Eyeglass Refraction Equipment for Optical Shop

Manual Lensmeter Hand Operated Optical Lens Power Measuring Tester Professional Eyeglass Refraction Equipment for Optical Shop

$1096.40$1096.40

38% off
Jewelry Refractive Index Tester Portable Refractometer For Gem Jadeite Stone Identification Hand Tool Jewelry Refractive Index Tester Portable Refractometer For Gem Jadeite Stone Identification Hand Tool

Jewelry Refractive Index Tester Portable Refractometer For Gem Jadeite Stone Identification Hand Tool

$562.87$907.86

11% off
High Refractive Index UV Optical Adhesive NOA170C 2g 6g 10g 28g 30g Visible Light UV Curing High Refractive Index UV Optical Adhesive NOA170C 2g 6g 10g 28g 30g Visible Light UV Curing

High Refractive Index UV Optical Adhesive NOA170C 2g 6g 10g 28g 30g Visible Light UV Curing

$783.20$880.00

21.5 Inch Optometry LCD Visual Acuity Vision Chart - Optical Refraction Testing LCD Monitor for Eye Refraction Test 21.5 Inch Optometry LCD Visual Acuity Vision Chart - Optical Refraction Testing LCD Monitor for Eye Refraction Test

21.5 Inch Optometry LCD Visual Acuity Vision Chart - Optical Refraction Testing LCD Monitor for Eye Refraction Test

$1339.00$1339.00

4 sold
30% off
SVBONY SV407 Mini-Binoculars 2.1x42 Individual Eye Focus Telescope With IPX6 Waterproof for Observing the Moon or Constellations SVBONY SV407 Mini-Binoculars 2.1x42 Individual Eye Focus Telescope With IPX6 Waterproof for Observing the Moon or Constellations

SVBONY SV407 Mini-Binoculars 2.1x42 Individual Eye Focus Telescope With IPX6 Waterproof for Observing the Moon or Constellations

$179.99$257.13

3 sold
5% off
Heltec 2-24S Linthium Battery Automatic Equalizer LTO LiPo LiFePO4 Battery Balancer 12S 13S 23S Pack Voltage Repair&Maintenance Heltec 2-24S Linthium Battery Automatic Equalizer LTO LiPo LiFePO4 Battery Balancer 12S 13S 23S Pack Voltage Repair&Maintenance

Heltec 2-24S Linthium Battery Automatic Equalizer LTO LiPo LiFePO4 Battery Balancer 12S 13S 23S Pack Voltage Repair&Maintenance

$2290.67$2411.23

4 sold
RisingCam G3M2210M Monochrome Ultra high sensitivity 1/1.8 RisingCam G3M2210M Monochrome Ultra high sensitivity 1/1.8

RisingCam G3M2210M Monochrome Ultra high sensitivity 1/1.8" sensor 2mp USB3.0 astronomical telescope guide camera mono camera

$239.00$239.00

30% off
2-Inch All Metal Refractive Toothless Focusing Seat Astronomical Telescopic 2 RPM 1.25 2-Inch All Metal Refractive Toothless Focusing Seat Astronomical Telescopic 2 RPM 1.25

2-Inch All Metal Refractive Toothless Focusing Seat Astronomical Telescopic 2 RPM 1.25" Diagonal Connection for Self-Made Telesc

$595.00$850.00

Heavy Duty Gemological Refractometer 1.30 - 1.81 RI with Refractive Index Oil High Precision Gem Tool Mini Flashlight Jewelers Heavy Duty Gemological Refractometer 1.30 - 1.81 RI with Refractive Index Oil High Precision Gem Tool Mini Flashlight Jewelers

Heavy Duty Gemological Refractometer 1.30 - 1.81 RI with Refractive Index Oil High Precision Gem Tool Mini Flashlight Jewelers

$666.25$666.25

11% off
Optical Trial Lens Set MT158-A1 158Pcs Optometry Refraction Lens Kit, 36.5mm Reduced Aperture Metal Rim, Aluminium Case Optical Trial Lens Set MT158-A1 158Pcs Optometry Refraction Lens Kit, 36.5mm Reduced Aperture Metal Rim, Aluminium Case

Optical Trial Lens Set MT158-A1 158Pcs Optometry Refraction Lens Kit, 36.5mm Reduced Aperture Metal Rim, Aluminium Case

$190.42$215.77

Celestron Professional StarSense Explora Scope SSE LT114AZ 114mm Manual Newtonian Reflector High Powerful Astronomical Telescope Celestron Professional StarSense Explora Scope SSE LT114AZ 114mm Manual Newtonian Reflector High Powerful Astronomical Telescope

Celestron Professional StarSense Explora Scope SSE LT114AZ 114mm Manual Newtonian Reflector High Powerful Astronomical Telescope

$1440.97$1440.97

1 sold
9% off
Callander antique jadeite identification instrument, identification, refraction light microscope, OMA50 times, 100 times Callander antique jadeite identification instrument, identification, refraction light microscope, OMA50 times, 100 times

Callander antique jadeite identification instrument, identification, refraction light microscope, OMA50 times, 100 times

$773.50$850.00

single speed toothless focusing seat 2 inches Full metal, refracting telescope, astronomical telescope,

single speed toothless focusing seat 2 inches Full metal, refracting telescope, astronomical telescope,

$755.00$755.00

400mm Focal Length 70mm Aperture Astronomical Refracting Telescope High Power Portable Stargazing Moon Viewing Optics 400mm Focal Length 70mm Aperture Astronomical Refracting Telescope High Power Portable Stargazing Moon Viewing Optics

400mm Focal Length 70mm Aperture Astronomical Refracting Telescope High Power Portable Stargazing Moon Viewing Optics

$854.05$854.05

401/402 Wine Brix Meter Electronic Homebrew Wine Test Wort Specific Gravity Tester Refraction Digital Sugar Meter 401/402 Wine Brix Meter Electronic Homebrew Wine Test Wort Specific Gravity Tester Refraction Digital Sugar Meter

401/402 Wine Brix Meter Electronic Homebrew Wine Test Wort Specific Gravity Tester Refraction Digital Sugar Meter

$1005.15$1005.15

6% off
Heltec 2‑24S 3A/4A/7A Automatic Battery Equalizer Discharge Balancer for Lipo LiFePO4 LTO Cell Voltage Repair & Maintenance Heltec 2‑24S 3A/4A/7A Automatic Battery Equalizer Discharge Balancer for Lipo LiFePO4 LTO Cell Voltage Repair & Maintenance

Heltec 2‑24S 3A/4A/7A Automatic Battery Equalizer Discharge Balancer for Lipo LiFePO4 LTO Cell Voltage Repair & Maintenance

$1738.89$1849.88

2 sold
Professional Astronomical Refracting Telescope Metal Eyepiece High Power HD Stargazing Moon Viewing Portable Optics Professional Astronomical Refracting Telescope Metal Eyepiece High Power HD Stargazing Moon Viewing Portable Optics

Professional Astronomical Refracting Telescope Metal Eyepiece High Power HD Stargazing Moon Viewing Portable Optics

$788.32$788.32

5% off
Antique jadeite jewelry porcelain jade identification 50 times refraction light microscope purple light UVA 50 times Antique jadeite jewelry porcelain jade identification 50 times refraction light microscope purple light UVA 50 times

Antique jadeite jewelry porcelain jade identification 50 times refraction light microscope purple light UVA 50 times

$1596.00$1680.00

1% off
Gem Refractometer Diamond Refractive Index Tester Gemstone Identification Tool for Genuine and Fake Stone Inspection Gem Refractometer Diamond Refractive Index Tester Gemstone Identification Tool for Genuine and Fake Stone Inspection

Gem Refractometer Diamond Refractive Index Tester Gemstone Identification Tool for Genuine and Fake Stone Inspection

$1698.70$1715.86

D104F600/F1000/F1200 Refraction Astronomical Telescope Objective Lens for sale D104F600/F1000/F1200 Refraction Astronomical Telescope Objective Lens for sale

D104F600/F1000/F1200 Refraction Astronomical Telescope Objective Lens for sale

$109.00$109.00

50% off
2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur 2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur

2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur

$880.60 $1761.21

Categories: Tools, Measurement & Analysis Instruments

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Diamond instrument data, gemstone refractometer, diamond refractive index instrument, gemstone identification tool Diamond instrument data, gemstone refractometer, diamond refractive index instrument, gemstone identification tool

Diamond instrument data, gemstone refractometer, diamond refractive index instrument, gemstone identification tool

$1630.20 $1630.20

Categories: Tools, Measurement & Analysis Instruments

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20% off
150x80mm Telescope High-Power Astronomy & Landscape Viewing Refractor Metal Mount Telescope for Adults & Beginners 150x80mm Telescope High-Power Astronomy & Landscape Viewing Refractor Metal Mount Telescope for Adults & Beginners

150x80mm Telescope High-Power Astronomy & Landscape Viewing Refractor Metal Mount Telescope for Adults & Beginners

$1067.47 $1334.34

Categories: Tools, Measurement & Analysis Instruments

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30% off
NV8100P Distance measuring version of binocular 3D night vision device 850nm IR independent adjustment of refractive error NV8100P Distance measuring version of binocular 3D night vision device 850nm IR independent adjustment of refractive error

NV8100P Distance measuring version of binocular 3D night vision device 850nm IR independent adjustment of refractive error

$1089.90 $1557.00

Categories: Tools, Measurement & Analysis Instruments

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Orthoptic For Refractive Errors Amblyopia Squint Stereo New Stereoscopic Variable Prismatic Trainer Visual Training Tools Orthoptic For Refractive Errors Amblyopia Squint Stereo New Stereoscopic Variable Prismatic Trainer Visual Training Tools

Orthoptic For Refractive Errors Amblyopia Squint Stereo New Stereoscopic Variable Prismatic Trainer Visual Training Tools

$1399.00 $1399.00

Categories: Tools, Measurement & Analysis Instruments

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Instrument for Identifying Genuine and Fake Diamonds Gemstone Refractometer Refractive Index Inspection and Identification Tool

Instrument for Identifying Genuine and Fake Diamonds Gemstone Refractometer Refractive Index Inspection and Identification Tool

$1071.05 $1071.05

Categories: Tools, Measurement & Analysis Instruments

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49% off
Digital Sugar Refractometer Honey Refractometer Sugar Content Tester Brix 0-94% 0-90% 0-50% ATC Refracto Meter For Fruit Juice Digital Sugar Refractometer Honey Refractometer Sugar Content Tester Brix 0-94% 0-90% 0-50% ATC Refracto Meter For Fruit Juice

Digital Sugar Refractometer Honey Refractometer Sugar Content Tester Brix 0-94% 0-90% 0-50% ATC Refracto Meter For Fruit Juice

$581.99 $1142.96

11 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
D131F700 D131F1200 Refractive Objective Lens Double Separation with Blue or Green Film HD Astronomical Telescope DIY Accessories D131F700 D131F1200 Refractive Objective Lens Double Separation with Blue or Green Film HD Astronomical Telescope DIY Accessories

D131F700 D131F1200 Refractive Objective Lens Double Separation with Blue or Green Film HD Astronomical Telescope DIY Accessories

$844.60 $1689.20

4 sold

Categories: Tools, Measurement & Analysis Instruments

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10% off
New Heavy Duty Gem Refractometer 1.30-1 RI with Refractive Index Oil High Precision Gem Tools Mini Flashlight Jeweler New Heavy Duty Gem Refractometer 1.30-1 RI with Refractive Index Oil High Precision Gem Tools Mini Flashlight Jeweler

New Heavy Duty Gem Refractometer 1.30-1 RI with Refractive Index Oil High Precision Gem Tools Mini Flashlight Jeweler

$855.17 $950.19

Categories: Tools, Measurement & Analysis Instruments

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M78x1 Thread Focuser Adapter Ring All-metal Connecting with 140x3.2mm PVC Pipe for DIY 2 Inch Refractive Telescope M78x1 Thread Focuser Adapter Ring All-metal Connecting with 140x3.2mm PVC Pipe for DIY 2 Inch Refractive Telescope

M78x1 Thread Focuser Adapter Ring All-metal Connecting with 140x3.2mm PVC Pipe for DIY 2 Inch Refractive Telescope

$549.00 $549.00

Categories: Tools, Measurement & Analysis Instruments

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35% off
SVBONY SV202 Binoculars 8x32 Telescope ED Bak4 Prism Waterproof Magnesium Alloy Chassis Suitable for Bird Watching Outdoors SVBONY SV202 Binoculars 8x32 Telescope ED Bak4 Prism Waterproof Magnesium Alloy Chassis Suitable for Bird Watching Outdoors

SVBONY SV202 Binoculars 8x32 Telescope ED Bak4 Prism Waterproof Magnesium Alloy Chassis Suitable for Bird Watching Outdoors

$163.31 $253.78

2 sold

Categories: Tools, Measurement & Analysis Instruments

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Spectroscope Simulated eye Refractive inspection Practitioner Angle adjustable Novice optometry practice Prosthetic eye teaching Spectroscope Simulated eye Refractive inspection Practitioner Angle adjustable Novice optometry practice Prosthetic eye teaching

Spectroscope Simulated eye Refractive inspection Practitioner Angle adjustable Novice optometry practice Prosthetic eye teaching

$1212.60 $1212.60

Categories: Tools, Measurement & Analysis Instruments

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30% off
Svbony SV47 Binoculars Portable FMC IPX7 Waterproof and Fog Resistant Prism with Aluminum Reflective Coating for Bird Watching Svbony SV47 Binoculars Portable FMC IPX7 Waterproof and Fog Resistant Prism with Aluminum Reflective Coating for Bird Watching

Svbony SV47 Binoculars Portable FMC IPX7 Waterproof and Fog Resistant Prism with Aluminum Reflective Coating for Bird Watching

$89.99 $128.56

1 sold

Categories: Tools, Measurement & Analysis Instruments

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23% off
1PCS 105mm Doublet Optical Glass Lens Focal 800mm Astronomical Telescope Refraction Mirror W/ Multi -layer Film Lenses 1PCS 105mm Doublet Optical Glass Lens Focal 800mm Astronomical Telescope Refraction Mirror W/ Multi -layer Film Lenses

1PCS 105mm Doublet Optical Glass Lens Focal 800mm Astronomical Telescope Refraction Mirror W/ Multi -layer Film Lenses

$119.34 $154.99

Categories: Tools, Measurement & Analysis Instruments

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White High Definition Refraction Monocular Astronomy Children Beginner Star and Moon White High Definition Refraction Monocular Astronomy Children Beginner Star and Moon

White High Definition Refraction Monocular Astronomy Children Beginner Star and Moon

$1353.99 $1353.99

Categories: Tools, Measurement & Analysis Instruments

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10% off
131mm Double-separate Achromatic Lens DIY Optical Glass Coated Objective Lens for Refractive Astronomical Telescope 131mm Double-separate Achromatic Lens DIY Optical Glass Coated Objective Lens for Refractive Astronomical Telescope

131mm Double-separate Achromatic Lens DIY Optical Glass Coated Objective Lens for Refractive Astronomical Telescope

$997.78 $1108.65

Categories: Tools, Measurement & Analysis Instruments

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Manual Lensmeter Hand Operated Optical Lens Power Measuring Tester Professional Eyeglass Refraction Equipment for Optical Shop Manual Lensmeter Hand Operated Optical Lens Power Measuring Tester Professional Eyeglass Refraction Equipment for Optical Shop

Manual Lensmeter Hand Operated Optical Lens Power Measuring Tester Professional Eyeglass Refraction Equipment for Optical Shop

$1096.40 $1096.40

Categories: Tools, Measurement & Analysis Instruments

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38% off
Jewelry Refractive Index Tester Portable Refractometer For Gem Jadeite Stone Identification Hand Tool Jewelry Refractive Index Tester Portable Refractometer For Gem Jadeite Stone Identification Hand Tool

Jewelry Refractive Index Tester Portable Refractometer For Gem Jadeite Stone Identification Hand Tool

$562.87 $907.86

Categories: Tools, Measurement & Analysis Instruments

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11% off
High Refractive Index UV Optical Adhesive NOA170C 2g 6g 10g 28g 30g Visible Light UV Curing High Refractive Index UV Optical Adhesive NOA170C 2g 6g 10g 28g 30g Visible Light UV Curing

High Refractive Index UV Optical Adhesive NOA170C 2g 6g 10g 28g 30g Visible Light UV Curing

$783.20 $880.00

Categories: Tools, Measurement & Analysis Instruments

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21.5 Inch Optometry LCD Visual Acuity Vision Chart - Optical Refraction Testing LCD Monitor for Eye Refraction Test 21.5 Inch Optometry LCD Visual Acuity Vision Chart - Optical Refraction Testing LCD Monitor for Eye Refraction Test

21.5 Inch Optometry LCD Visual Acuity Vision Chart - Optical Refraction Testing LCD Monitor for Eye Refraction Test

$1339.00 $1339.00

4 sold

Categories: Tools, Measurement & Analysis Instruments

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30% off
SVBONY SV407 Mini-Binoculars 2.1x42 Individual Eye Focus Telescope With IPX6 Waterproof for Observing the Moon or Constellations SVBONY SV407 Mini-Binoculars 2.1x42 Individual Eye Focus Telescope With IPX6 Waterproof for Observing the Moon or Constellations

SVBONY SV407 Mini-Binoculars 2.1x42 Individual Eye Focus Telescope With IPX6 Waterproof for Observing the Moon or Constellations

$179.99 $257.13

3 sold

Categories: Tools, Measurement & Analysis Instruments

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5% off
Heltec 2-24S Linthium Battery Automatic Equalizer LTO LiPo LiFePO4 Battery Balancer 12S 13S 23S Pack Voltage Repair&Maintenance Heltec 2-24S Linthium Battery Automatic Equalizer LTO LiPo LiFePO4 Battery Balancer 12S 13S 23S Pack Voltage Repair&Maintenance

Heltec 2-24S Linthium Battery Automatic Equalizer LTO LiPo LiFePO4 Battery Balancer 12S 13S 23S Pack Voltage Repair&Maintenance

$2290.67 $2411.23

4 sold

Categories: Tools, Measurement & Analysis Instruments

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RisingCam G3M2210M Monochrome Ultra high sensitivity 1/1.8 RisingCam G3M2210M Monochrome Ultra high sensitivity 1/1.8

RisingCam G3M2210M Monochrome Ultra high sensitivity 1/1.8" sensor 2mp USB3.0 astronomical telescope guide camera mono camera

$239.00 $239.00

Categories: Tools, Measurement & Analysis Instruments

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30% off
2-Inch All Metal Refractive Toothless Focusing Seat Astronomical Telescopic 2 RPM 1.25 2-Inch All Metal Refractive Toothless Focusing Seat Astronomical Telescopic 2 RPM 1.25

2-Inch All Metal Refractive Toothless Focusing Seat Astronomical Telescopic 2 RPM 1.25" Diagonal Connection for Self-Made Telesc

$595.00 $850.00

Categories: Tools, Measurement & Analysis Instruments

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Heavy Duty Gemological Refractometer 1.30 - 1.81 RI with Refractive Index Oil High Precision Gem Tool Mini Flashlight Jewelers Heavy Duty Gemological Refractometer 1.30 - 1.81 RI with Refractive Index Oil High Precision Gem Tool Mini Flashlight Jewelers

Heavy Duty Gemological Refractometer 1.30 - 1.81 RI with Refractive Index Oil High Precision Gem Tool Mini Flashlight Jewelers

$666.25 $666.25

Categories: Tools, Measurement & Analysis Instruments

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11% off
Optical Trial Lens Set MT158-A1 158Pcs Optometry Refraction Lens Kit, 36.5mm Reduced Aperture Metal Rim, Aluminium Case Optical Trial Lens Set MT158-A1 158Pcs Optometry Refraction Lens Kit, 36.5mm Reduced Aperture Metal Rim, Aluminium Case

Optical Trial Lens Set MT158-A1 158Pcs Optometry Refraction Lens Kit, 36.5mm Reduced Aperture Metal Rim, Aluminium Case

$190.42 $215.77

Categories: Tools, Measurement & Analysis Instruments

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Celestron Professional StarSense Explora Scope SSE LT114AZ 114mm Manual Newtonian Reflector High Powerful Astronomical Telescope Celestron Professional StarSense Explora Scope SSE LT114AZ 114mm Manual Newtonian Reflector High Powerful Astronomical Telescope

Celestron Professional StarSense Explora Scope SSE LT114AZ 114mm Manual Newtonian Reflector High Powerful Astronomical Telescope

$1440.97 $1440.97

1 sold

Categories: Tools, Measurement & Analysis Instruments

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9% off
Callander antique jadeite identification instrument, identification, refraction light microscope, OMA50 times, 100 times Callander antique jadeite identification instrument, identification, refraction light microscope, OMA50 times, 100 times

Callander antique jadeite identification instrument, identification, refraction light microscope, OMA50 times, 100 times

$773.50 $850.00

Categories: Tools, Measurement & Analysis Instruments

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single speed toothless focusing seat 2 inches Full metal, refracting telescope, astronomical telescope,

single speed toothless focusing seat 2 inches Full metal, refracting telescope, astronomical telescope,

$755.00 $755.00

Categories: Tools, Measurement & Analysis Instruments

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400mm Focal Length 70mm Aperture Astronomical Refracting Telescope High Power Portable Stargazing Moon Viewing Optics 400mm Focal Length 70mm Aperture Astronomical Refracting Telescope High Power Portable Stargazing Moon Viewing Optics

400mm Focal Length 70mm Aperture Astronomical Refracting Telescope High Power Portable Stargazing Moon Viewing Optics

$854.05 $854.05

Categories: Tools, Measurement & Analysis Instruments

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401/402 Wine Brix Meter Electronic Homebrew Wine Test Wort Specific Gravity Tester Refraction Digital Sugar Meter 401/402 Wine Brix Meter Electronic Homebrew Wine Test Wort Specific Gravity Tester Refraction Digital Sugar Meter

401/402 Wine Brix Meter Electronic Homebrew Wine Test Wort Specific Gravity Tester Refraction Digital Sugar Meter

$1005.15 $1005.15

Categories: Tools, Measurement & Analysis Instruments

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6% off
Heltec 2‑24S 3A/4A/7A Automatic Battery Equalizer Discharge Balancer for Lipo LiFePO4 LTO Cell Voltage Repair & Maintenance Heltec 2‑24S 3A/4A/7A Automatic Battery Equalizer Discharge Balancer for Lipo LiFePO4 LTO Cell Voltage Repair & Maintenance

Heltec 2‑24S 3A/4A/7A Automatic Battery Equalizer Discharge Balancer for Lipo LiFePO4 LTO Cell Voltage Repair & Maintenance

$1738.89 $1849.88

2 sold

Categories: Tools, Measurement & Analysis Instruments

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Professional Astronomical Refracting Telescope Metal Eyepiece High Power HD Stargazing Moon Viewing Portable Optics Professional Astronomical Refracting Telescope Metal Eyepiece High Power HD Stargazing Moon Viewing Portable Optics

Professional Astronomical Refracting Telescope Metal Eyepiece High Power HD Stargazing Moon Viewing Portable Optics

$788.32 $788.32

Categories: Tools, Measurement & Analysis Instruments

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5% off
Antique jadeite jewelry porcelain jade identification 50 times refraction light microscope purple light UVA 50 times Antique jadeite jewelry porcelain jade identification 50 times refraction light microscope purple light UVA 50 times

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$1596.00 $1680.00

Categories: Tools, Measurement & Analysis Instruments

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1% off
Gem Refractometer Diamond Refractive Index Tester Gemstone Identification Tool for Genuine and Fake Stone Inspection Gem Refractometer Diamond Refractive Index Tester Gemstone Identification Tool for Genuine and Fake Stone Inspection

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$1698.70 $1715.86

Categories: Tools, Measurement & Analysis Instruments

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D104F600/F1000/F1200 Refraction Astronomical Telescope Objective Lens for sale D104F600/F1000/F1200 Refraction Astronomical Telescope Objective Lens for sale

D104F600/F1000/F1200 Refraction Astronomical Telescope Objective Lens for sale

$109.00 $109.00

Categories: Tools, Measurement & Analysis Instruments

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