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38% off
Refracting Telescope Objective Lens Dia104 Focal Length 600 1200 DIY Astronomical Telescope DKD Achromatic Lens Multi-layer Film Refracting Telescope Objective Lens Dia104 Focal Length 600 1200 DIY Astronomical Telescope DKD Achromatic Lens Multi-layer Film

Refracting Telescope Objective Lens Dia104 Focal Length 600 1200 DIY Astronomical Telescope DKD Achromatic Lens Multi-layer Film

$158.44$255.55

Celestron Libra 705 Refracting Astronomical Telescope HD High Magnification Monocular With Tripod Starsense for kids Celestron Libra 705 Refracting Astronomical Telescope HD High Magnification Monocular With Tripod Starsense for kids

Celestron Libra 705 Refracting Astronomical Telescope HD High Magnification Monocular With Tripod Starsense for kids

$749.00$749.00

27% off
10x42 Professional Binocular Telescope High-definition Wield Field Nitrogen Filled Waterproof FMC Coated Telescope 10x42 Professional Binocular Telescope High-definition Wield Field Nitrogen Filled Waterproof FMC Coated Telescope

10x42 Professional Binocular Telescope High-definition Wield Field Nitrogen Filled Waterproof FMC Coated Telescope

$94.28$129.15

30% off
2-inch 90/500mm Full Broadband Green Film Birefringent Astronomical Telescope for High-Definition Professional Observation 2-inch 90/500mm Full Broadband Green Film Birefringent Astronomical Telescope for High-Definition Professional Observation

2-inch 90/500mm Full Broadband Green Film Birefringent Astronomical Telescope for High-Definition Professional Observation

$1791.30$2559.00

1% off
Orthoptic For Refractive Errors Amblyopia Squint Stereo BO BI New Stereo Variable Prism Trainer Vision Training Tool Orthoptic For Refractive Errors Amblyopia Squint Stereo BO BI New Stereo Variable Prism Trainer Vision Training Tool

Orthoptic For Refractive Errors Amblyopia Squint Stereo BO BI New Stereo Variable Prism Trainer Vision Training Tool

$1237.50$1250.00

11% off
UV & Heat Dual Cure Optical Adhesive NOA83H NOA83HA Refractive Index 1.56

UV & Heat Dual Cure Optical Adhesive NOA83H NOA83HA Refractive Index 1.56

$1539.70$1730.00

10% off
Gem Identification Tool,Gemstone Refractometer,Diamond Tester, Diamond Refractive Index Checker Gem Identification Tool,Gemstone Refractometer,Diamond Tester, Diamond Refractive Index Checker

Gem Identification Tool,Gemstone Refractometer,Diamond Tester, Diamond Refractive Index Checker

$174.61$194.01

3% off
Refraction type, astronomical telescope, double separation, objective lens 131mm diameter series DIY self-assembly Refraction type, astronomical telescope, double separation, objective lens 131mm diameter series DIY self-assembly

Refraction type, astronomical telescope, double separation, objective lens 131mm diameter series DIY self-assembly

$1222.20$1260.00

Paraboloid D203F1600 Newtonian Reflection Primary Mirror with 40mm 50mm Scondary Mirror DIY Astronomical Telescope Accessories Paraboloid D203F1600 Newtonian Reflection Primary Mirror with 40mm 50mm Scondary Mirror DIY Astronomical Telescope Accessories

Paraboloid D203F1600 Newtonian Reflection Primary Mirror with 40mm 50mm Scondary Mirror DIY Astronomical Telescope Accessories

$900.00$900.00

Lichen Abbe refractometer Laboratory sugar concentration meter 2WAJ monocular refractive index Abbe refractometer Lichen Abbe refractometer Laboratory sugar concentration meter 2WAJ monocular refractive index Abbe refractometer

Lichen Abbe refractometer Laboratory sugar concentration meter 2WAJ monocular refractive index Abbe refractometer

$1317.85$1317.85

42% off
A27F-Prism Lens 150Mm Handheld Swirl Motion Blur/Refraction For All-Focal Lengths Lens Accessories A27F-Prism Lens 150Mm Handheld Swirl Motion Blur/Refraction For All-Focal Lengths Lens Accessories

A27F-Prism Lens 150Mm Handheld Swirl Motion Blur/Refraction For All-Focal Lengths Lens Accessories

$62.68$108.07

Optical Trial Lens Frame Pd Adjustable Universal Titanium Refractive Segments Optometry Optical Trial Lens Frame Pd Adjustable Universal Titanium Refractive Segments Optometry

Optical Trial Lens Frame Pd Adjustable Universal Titanium Refractive Segments Optometry

$802.55$802.55

30% off
SVBONY SV45 10-30x50 Zoom Monoculars IPX7 Waterproof BAK4 Prism FMC Lens Telescope Camping Equipment For Outdoor Travel Concerts SVBONY SV45 10-30x50 Zoom Monoculars IPX7 Waterproof BAK4 Prism FMC Lens Telescope Camping Equipment For Outdoor Travel Concerts

SVBONY SV45 10-30x50 Zoom Monoculars IPX7 Waterproof BAK4 Prism FMC Lens Telescope Camping Equipment For Outdoor Travel Concerts

$132.44$191.11

1 sold
Astronomical Telescope Accessory Kit Eyepiece Barlow Lens Colors Filters 1.25 Astronomical Telescope Accessory Kit Eyepiece Barlow Lens Colors Filters 1.25

Astronomical Telescope Accessory Kit Eyepiece Barlow Lens Colors Filters 1.25" 4/10/40/8-24mm 2x/5x Barlow Lens

$432.60$432.60

20 sold
2% off
Digital Gem Glass Refractometer Type-c Rechargeable Jewelry Gemstone Identification Tool For Refractive Index Measurement Digital Gem Glass Refractometer Type-c Rechargeable Jewelry Gemstone Identification Tool For Refractive Index Measurement

Digital Gem Glass Refractometer Type-c Rechargeable Jewelry Gemstone Identification Tool For Refractive Index Measurement

$1119.88$1142.73

2 sold
11% off
High Refractive Index Adhesive NOA165H NOA165HC 2g 6g 28g UV Visible Light Heat Cure High Tg For Optical Components Bonding High Refractive Index Adhesive NOA165H NOA165HC 2g 6g 28g UV Visible Light Heat Cure High Tg For Optical Components Bonding

High Refractive Index Adhesive NOA165H NOA165HC 2g 6g 28g UV Visible Light Heat Cure High Tg For Optical Components Bonding

$671.95$755.00

49% off
0-80% Digital Alcohol Refractometer Spirit Meter LCD Display for Spirit Alcohol 0-50% Beer Grape Wine Refracto Meter 0-80% Digital Alcohol Refractometer Spirit Meter LCD Display for Spirit Alcohol 0-50% Beer Grape Wine Refracto Meter

0-80% Digital Alcohol Refractometer Spirit Meter LCD Display for Spirit Alcohol 0-50% Beer Grape Wine Refracto Meter

$563.45$1106.55

20% off
Visual Training Tools Stereoscopic Variable Prismatic Trainer Orthoptic For Refractive Errors Amblyopia Squint Stereo Visual Training Tools Stereoscopic Variable Prismatic Trainer Orthoptic For Refractive Errors Amblyopia Squint Stereo

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

$132.00$165.00

42% off
Music Spectrum Analyzer Digital Equalizer LED Full-color 31-segment EQ Tuning Level Indicator Atmosphere Light Voice Control Music Spectrum Analyzer Digital Equalizer LED Full-color 31-segment EQ Tuning Level Indicator Atmosphere Light Voice Control

Music Spectrum Analyzer Digital Equalizer LED Full-color 31-segment EQ Tuning Level Indicator Atmosphere Light Voice Control

$712.54$1228.51

28 sold
High Accuracy D203F1600 Parabolic Surface Main Mirror For DIY Newton's Reflected Astronomical Telescope Long Focal Length High Accuracy D203F1600 Parabolic Surface Main Mirror For DIY Newton's Reflected Astronomical Telescope Long Focal Length

High Accuracy D203F1600 Parabolic Surface Main Mirror For DIY Newton's Reflected Astronomical Telescope Long Focal Length

$1223.04$1223.04

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

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

$155.71$222.45

33% off
Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY

Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY

$755.32$1127.34

5 sold
UTF-4880 Fully PD Adjustable Universal Optometry Trial Lens Frame Optical Trial Refractive Segments UTF-4880 Fully PD Adjustable Universal Optometry Trial Lens Frame Optical Trial Refractive Segments

UTF-4880 Fully PD Adjustable Universal Optometry Trial Lens Frame Optical Trial Refractive Segments

$700.00$700.00

Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B

Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B

$1164.07$1164.07

1% off
Gemstone Refractometer, Diamond Refractive Index Checker, Diamond Tester,Gem Identification Tool Gemstone Refractometer, Diamond Refractive Index Checker, Diamond Tester,Gem Identification Tool

Gemstone Refractometer, Diamond Refractive Index Checker, Diamond Tester,Gem Identification Tool

$192.07$194.01

HD Professional Refractor Astronomical Telescope The Best Gift for Children Astronomy Beginners To See The Moon and Stars Space HD Professional Refractor Astronomical Telescope The Best Gift for Children Astronomy Beginners To See The Moon and Stars Space

HD Professional Refractor Astronomical Telescope The Best Gift for Children Astronomy Beginners To See The Moon and Stars Space

$899.00$899.00

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

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

$1040.30$1040.30

3 sold
27% off
12x32 Digital Binoculars 1080P HD Powerful Telescope with 2.0 12x32 Digital Binoculars 1080P HD Powerful Telescope with 2.0

12x32 Digital Binoculars 1080P HD Powerful Telescope with 2.0" LCD Screen USB 2.0 to PC Video Recording Camera Hunting Outdoor

$88.21$120.83

Refractive Training Glasses for Basketball, Hockey, Soccer, Rugby, and Badminton Ball Training Enhance Your Game - GS05 Glasses Refractive Training Glasses for Basketball, Hockey, Soccer, Rugby, and Badminton Ball Training Enhance Your Game - GS05 Glasses

Refractive Training Glasses for Basketball, Hockey, Soccer, Rugby, and Badminton Ball Training Enhance Your Game - GS05 Glasses

$786.61$786.61

2-inch M48 Double Helix Fine-tuning Focusing Base with High Precision Suitable for Refraction/Nitroreflector/Shika Astronomical 2-inch M48 Double Helix Fine-tuning Focusing Base with High Precision Suitable for Refraction/Nitroreflector/Shika Astronomical

2-inch M48 Double Helix Fine-tuning Focusing Base with High Precision Suitable for Refraction/Nitroreflector/Shika Astronomical

$725.99$725.99

15% off
Stereoscopic Variable Prismatic Trainer Stereo Visual Training ToolsOrthoptic For Refractive Errors Amblyopia Squint Stereoscopic Variable Prismatic Trainer Stereo Visual Training ToolsOrthoptic For Refractive Errors Amblyopia Squint

Stereoscopic Variable Prismatic Trainer Stereo Visual Training ToolsOrthoptic For Refractive Errors Amblyopia Squint

$137.49$161.75

1 piece suitable for Single geophone 4.5Hz Vertical without connector, Seismic Refraction Survey seismic geophone 4.5 Hz 1 piece suitable for Single geophone 4.5Hz Vertical without connector, Seismic Refraction Survey seismic geophone 4.5 Hz

1 piece suitable for Single geophone 4.5Hz Vertical without connector, Seismic Refraction Survey seismic geophone 4.5 Hz

$779.96$779.96

Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating

Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating

$1225.70$1225.70

8 sold
Honey Refractometer 4-in-1 Digital ATC Support Water Content Brix Baume Refractive Index 0-90% Maple Syrup (Model AMR307) Honey Refractometer 4-in-1 Digital ATC Support Water Content Brix Baume Refractive Index 0-90% Maple Syrup (Model AMR307)

Honey Refractometer 4-in-1 Digital ATC Support Water Content Brix Baume Refractive Index 0-90% Maple Syrup (Model AMR307)

$1397.00$1397.00

44% off
Yieryi DR301 Digital Honey Refractometer 4 in 1 Brix/Water/Be'/Refractive Index Yieryi DR301 Digital Honey Refractometer 4 in 1 Brix/Water/Be'/Refractive Index

Yieryi DR301 Digital Honey Refractometer 4 in 1 Brix/Water/Be'/Refractive Index

$117.60$210.00

34 sold
45% off
131mm Double Separation Lenses 131F700mm 131F1200mm K9 Glass Objective Lens Set Refractive Astronomical Telescope DIY 131mm Double Separation Lenses 131F700mm 131F1200mm K9 Glass Objective Lens Set Refractive Astronomical Telescope DIY

131mm Double Separation Lenses 131F700mm 131F1200mm K9 Glass Objective Lens Set Refractive Astronomical Telescope DIY

$940.22$1709.50

1 sold
38% off
Refracting Telescope Objective Lens Dia104 Focal Length 600 1200 DIY Astronomical Telescope DKD Achromatic Lens Multi-layer Film Refracting Telescope Objective Lens Dia104 Focal Length 600 1200 DIY Astronomical Telescope DKD Achromatic Lens Multi-layer Film

Refracting Telescope Objective Lens Dia104 Focal Length 600 1200 DIY Astronomical Telescope DKD Achromatic Lens Multi-layer Film

$158.44 $255.55

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Celestron Libra 705 Refracting Astronomical Telescope HD High Magnification Monocular With Tripod Starsense for kids Celestron Libra 705 Refracting Astronomical Telescope HD High Magnification Monocular With Tripod Starsense for kids

Celestron Libra 705 Refracting Astronomical Telescope HD High Magnification Monocular With Tripod Starsense for kids

$749.00 $749.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
27% off
10x42 Professional Binocular Telescope High-definition Wield Field Nitrogen Filled Waterproof FMC Coated Telescope 10x42 Professional Binocular Telescope High-definition Wield Field Nitrogen Filled Waterproof FMC Coated Telescope

10x42 Professional Binocular Telescope High-definition Wield Field Nitrogen Filled Waterproof FMC Coated Telescope

$94.28 $129.15

Categories: Tools, Measurement & Analysis Instruments

Buy Now
30% off
2-inch 90/500mm Full Broadband Green Film Birefringent Astronomical Telescope for High-Definition Professional Observation 2-inch 90/500mm Full Broadband Green Film Birefringent Astronomical Telescope for High-Definition Professional Observation

2-inch 90/500mm Full Broadband Green Film Birefringent Astronomical Telescope for High-Definition Professional Observation

$1791.30 $2559.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
1% off
Orthoptic For Refractive Errors Amblyopia Squint Stereo BO BI New Stereo Variable Prism Trainer Vision Training Tool Orthoptic For Refractive Errors Amblyopia Squint Stereo BO BI New Stereo Variable Prism Trainer Vision Training Tool

Orthoptic For Refractive Errors Amblyopia Squint Stereo BO BI New Stereo Variable Prism Trainer Vision Training Tool

$1237.50 $1250.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
11% off
UV & Heat Dual Cure Optical Adhesive NOA83H NOA83HA Refractive Index 1.56

UV & Heat Dual Cure Optical Adhesive NOA83H NOA83HA Refractive Index 1.56

$1539.70 $1730.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
10% off
Gem Identification Tool,Gemstone Refractometer,Diamond Tester, Diamond Refractive Index Checker Gem Identification Tool,Gemstone Refractometer,Diamond Tester, Diamond Refractive Index Checker

Gem Identification Tool,Gemstone Refractometer,Diamond Tester, Diamond Refractive Index Checker

$174.61 $194.01

Categories: Tools, Measurement & Analysis Instruments

Buy Now
3% off
Refraction type, astronomical telescope, double separation, objective lens 131mm diameter series DIY self-assembly Refraction type, astronomical telescope, double separation, objective lens 131mm diameter series DIY self-assembly

Refraction type, astronomical telescope, double separation, objective lens 131mm diameter series DIY self-assembly

$1222.20 $1260.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Paraboloid D203F1600 Newtonian Reflection Primary Mirror with 40mm 50mm Scondary Mirror DIY Astronomical Telescope Accessories Paraboloid D203F1600 Newtonian Reflection Primary Mirror with 40mm 50mm Scondary Mirror DIY Astronomical Telescope Accessories

Paraboloid D203F1600 Newtonian Reflection Primary Mirror with 40mm 50mm Scondary Mirror DIY Astronomical Telescope Accessories

$900.00 $900.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Lichen Abbe refractometer Laboratory sugar concentration meter 2WAJ monocular refractive index Abbe refractometer Lichen Abbe refractometer Laboratory sugar concentration meter 2WAJ monocular refractive index Abbe refractometer

Lichen Abbe refractometer Laboratory sugar concentration meter 2WAJ monocular refractive index Abbe refractometer

$1317.85 $1317.85

Categories: Tools, Measurement & Analysis Instruments

Buy Now
42% off
A27F-Prism Lens 150Mm Handheld Swirl Motion Blur/Refraction For All-Focal Lengths Lens Accessories A27F-Prism Lens 150Mm Handheld Swirl Motion Blur/Refraction For All-Focal Lengths Lens Accessories

A27F-Prism Lens 150Mm Handheld Swirl Motion Blur/Refraction For All-Focal Lengths Lens Accessories

$62.68 $108.07

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Optical Trial Lens Frame Pd Adjustable Universal Titanium Refractive Segments Optometry Optical Trial Lens Frame Pd Adjustable Universal Titanium Refractive Segments Optometry

Optical Trial Lens Frame Pd Adjustable Universal Titanium Refractive Segments Optometry

$802.55 $802.55

Categories: Tools, Measurement & Analysis Instruments

Buy Now
30% off
SVBONY SV45 10-30x50 Zoom Monoculars IPX7 Waterproof BAK4 Prism FMC Lens Telescope Camping Equipment For Outdoor Travel Concerts SVBONY SV45 10-30x50 Zoom Monoculars IPX7 Waterproof BAK4 Prism FMC Lens Telescope Camping Equipment For Outdoor Travel Concerts

SVBONY SV45 10-30x50 Zoom Monoculars IPX7 Waterproof BAK4 Prism FMC Lens Telescope Camping Equipment For Outdoor Travel Concerts

$132.44 $191.11

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Astronomical Telescope Accessory Kit Eyepiece Barlow Lens Colors Filters 1.25 Astronomical Telescope Accessory Kit Eyepiece Barlow Lens Colors Filters 1.25

Astronomical Telescope Accessory Kit Eyepiece Barlow Lens Colors Filters 1.25" 4/10/40/8-24mm 2x/5x Barlow Lens

$432.60 $432.60

20 sold

Categories: Tools, Measurement & Analysis Instruments

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2% off
Digital Gem Glass Refractometer Type-c Rechargeable Jewelry Gemstone Identification Tool For Refractive Index Measurement Digital Gem Glass Refractometer Type-c Rechargeable Jewelry Gemstone Identification Tool For Refractive Index Measurement

Digital Gem Glass Refractometer Type-c Rechargeable Jewelry Gemstone Identification Tool For Refractive Index Measurement

$1119.88 $1142.73

2 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
11% off
High Refractive Index Adhesive NOA165H NOA165HC 2g 6g 28g UV Visible Light Heat Cure High Tg For Optical Components Bonding High Refractive Index Adhesive NOA165H NOA165HC 2g 6g 28g UV Visible Light Heat Cure High Tg For Optical Components Bonding

High Refractive Index Adhesive NOA165H NOA165HC 2g 6g 28g UV Visible Light Heat Cure High Tg For Optical Components Bonding

$671.95 $755.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
49% off
0-80% Digital Alcohol Refractometer Spirit Meter LCD Display for Spirit Alcohol 0-50% Beer Grape Wine Refracto Meter 0-80% Digital Alcohol Refractometer Spirit Meter LCD Display for Spirit Alcohol 0-50% Beer Grape Wine Refracto Meter

0-80% Digital Alcohol Refractometer Spirit Meter LCD Display for Spirit Alcohol 0-50% Beer Grape Wine Refracto Meter

$563.45 $1106.55

Categories: Tools, Measurement & Analysis Instruments

Buy Now
20% off
Visual Training Tools Stereoscopic Variable Prismatic Trainer Orthoptic For Refractive Errors Amblyopia Squint Stereo Visual Training Tools Stereoscopic Variable Prismatic Trainer Orthoptic For Refractive Errors Amblyopia Squint Stereo

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

$132.00 $165.00

Categories: Tools, Measurement & Analysis Instruments

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42% off
Music Spectrum Analyzer Digital Equalizer LED Full-color 31-segment EQ Tuning Level Indicator Atmosphere Light Voice Control Music Spectrum Analyzer Digital Equalizer LED Full-color 31-segment EQ Tuning Level Indicator Atmosphere Light Voice Control

Music Spectrum Analyzer Digital Equalizer LED Full-color 31-segment EQ Tuning Level Indicator Atmosphere Light Voice Control

$712.54 $1228.51

28 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
High Accuracy D203F1600 Parabolic Surface Main Mirror For DIY Newton's Reflected Astronomical Telescope Long Focal Length High Accuracy D203F1600 Parabolic Surface Main Mirror For DIY Newton's Reflected Astronomical Telescope Long Focal Length

High Accuracy D203F1600 Parabolic Surface Main Mirror For DIY Newton's Reflected Astronomical Telescope Long Focal Length

$1223.04 $1223.04

Categories: Tools, Measurement & Analysis Instruments

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

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

$155.71 $222.45

Categories: Tools, Measurement & Analysis Instruments

Buy Now
33% off
Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY

Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY

$755.32 $1127.34

5 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
UTF-4880 Fully PD Adjustable Universal Optometry Trial Lens Frame Optical Trial Refractive Segments UTF-4880 Fully PD Adjustable Universal Optometry Trial Lens Frame Optical Trial Refractive Segments

UTF-4880 Fully PD Adjustable Universal Optometry Trial Lens Frame Optical Trial Refractive Segments

$700.00 $700.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B

Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B

$1164.07 $1164.07

Categories: Tools, Measurement & Analysis Instruments

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1% off
Gemstone Refractometer, Diamond Refractive Index Checker, Diamond Tester,Gem Identification Tool Gemstone Refractometer, Diamond Refractive Index Checker, Diamond Tester,Gem Identification Tool

Gemstone Refractometer, Diamond Refractive Index Checker, Diamond Tester,Gem Identification Tool

$192.07 $194.01

Categories: Tools, Measurement & Analysis Instruments

Buy Now
HD Professional Refractor Astronomical Telescope The Best Gift for Children Astronomy Beginners To See The Moon and Stars Space HD Professional Refractor Astronomical Telescope The Best Gift for Children Astronomy Beginners To See The Moon and Stars Space

HD Professional Refractor Astronomical Telescope The Best Gift for Children Astronomy Beginners To See The Moon and Stars Space

$899.00 $899.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
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

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

$1040.30 $1040.30

3 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
27% off
12x32 Digital Binoculars 1080P HD Powerful Telescope with 2.0 12x32 Digital Binoculars 1080P HD Powerful Telescope with 2.0

12x32 Digital Binoculars 1080P HD Powerful Telescope with 2.0" LCD Screen USB 2.0 to PC Video Recording Camera Hunting Outdoor

$88.21 $120.83

Categories: Tools, Measurement & Analysis Instruments

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Refractive Training Glasses for Basketball, Hockey, Soccer, Rugby, and Badminton Ball Training Enhance Your Game - GS05 Glasses Refractive Training Glasses for Basketball, Hockey, Soccer, Rugby, and Badminton Ball Training Enhance Your Game - GS05 Glasses

Refractive Training Glasses for Basketball, Hockey, Soccer, Rugby, and Badminton Ball Training Enhance Your Game - GS05 Glasses

$786.61 $786.61

Categories: Tools, Measurement & Analysis Instruments

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2-inch M48 Double Helix Fine-tuning Focusing Base with High Precision Suitable for Refraction/Nitroreflector/Shika Astronomical 2-inch M48 Double Helix Fine-tuning Focusing Base with High Precision Suitable for Refraction/Nitroreflector/Shika Astronomical

2-inch M48 Double Helix Fine-tuning Focusing Base with High Precision Suitable for Refraction/Nitroreflector/Shika Astronomical

$725.99 $725.99

Categories: Tools, Measurement & Analysis Instruments

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15% off
Stereoscopic Variable Prismatic Trainer Stereo Visual Training ToolsOrthoptic For Refractive Errors Amblyopia Squint Stereoscopic Variable Prismatic Trainer Stereo Visual Training ToolsOrthoptic For Refractive Errors Amblyopia Squint

Stereoscopic Variable Prismatic Trainer Stereo Visual Training ToolsOrthoptic For Refractive Errors Amblyopia Squint

$137.49 $161.75

Categories: Tools, Measurement & Analysis Instruments

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1 piece suitable for Single geophone 4.5Hz Vertical without connector, Seismic Refraction Survey seismic geophone 4.5 Hz 1 piece suitable for Single geophone 4.5Hz Vertical without connector, Seismic Refraction Survey seismic geophone 4.5 Hz

1 piece suitable for Single geophone 4.5Hz Vertical without connector, Seismic Refraction Survey seismic geophone 4.5 Hz

$779.96 $779.96

Categories: Tools, Measurement & Analysis Instruments

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Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating

Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating

$1225.70 $1225.70

8 sold

Categories: Tools, Measurement & Analysis Instruments

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Honey Refractometer 4-in-1 Digital ATC Support Water Content Brix Baume Refractive Index 0-90% Maple Syrup (Model AMR307) Honey Refractometer 4-in-1 Digital ATC Support Water Content Brix Baume Refractive Index 0-90% Maple Syrup (Model AMR307)

Honey Refractometer 4-in-1 Digital ATC Support Water Content Brix Baume Refractive Index 0-90% Maple Syrup (Model AMR307)

$1397.00 $1397.00

Categories: Tools, Measurement & Analysis Instruments

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44% off
Yieryi DR301 Digital Honey Refractometer 4 in 1 Brix/Water/Be'/Refractive Index Yieryi DR301 Digital Honey Refractometer 4 in 1 Brix/Water/Be'/Refractive Index

Yieryi DR301 Digital Honey Refractometer 4 in 1 Brix/Water/Be'/Refractive Index

$117.60 $210.00

34 sold

Categories: Tools, Measurement & Analysis Instruments

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45% off
131mm Double Separation Lenses 131F700mm 131F1200mm K9 Glass Objective Lens Set Refractive Astronomical Telescope DIY 131mm Double Separation Lenses 131F700mm 131F1200mm K9 Glass Objective Lens Set Refractive Astronomical Telescope DIY

131mm Double Separation Lenses 131F700mm 131F1200mm K9 Glass Objective Lens Set Refractive Astronomical Telescope DIY

$940.22 $1709.50

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now