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Professional Tripod for High-quality Monocular Long-distance Refraction Astronomical Telescope Professional Tripod for High-quality Monocular Long-distance Refraction Astronomical Telescope

Professional Tripod for High-quality Monocular Long-distance Refraction Astronomical Telescope

$566.21$566.21

20% off
106 Calibre F600/F900mm Refractive Objective DIY Homemade Astronomical Telescope 106 Calibre F600/F900mm Refractive Objective DIY Homemade Astronomical Telescope

106 Calibre F600/F900mm Refractive Objective DIY Homemade Astronomical Telescope

$487.47$609.34

3 sold
1.25-inch 90-degree Prism Zenith Mirror Full Erect Image Refraction 31.7mm Astronomical Telescope Metal Interface 1.25-inch 90-degree Prism Zenith Mirror Full Erect Image Refraction 31.7mm Astronomical Telescope Metal Interface

1.25-inch 90-degree Prism Zenith Mirror Full Erect Image Refraction 31.7mm Astronomical Telescope Metal Interface

$243.51$243.51

6% off
Glasses testing equipment, goggles Simulated eye inspection practice Eye refractive examination practitioner XSJ-501 Glasses testing equipment, goggles Simulated eye inspection practice Eye refractive examination practitioner XSJ-501

Glasses testing equipment, goggles Simulated eye inspection practice Eye refractive examination practitioner XSJ-501

$408.90$435.00

Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone Identification Measure Refractive Index Gems Value 1.81 Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone Identification Measure Refractive Index Gems Value 1.81

Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone Identification Measure Refractive Index Gems Value 1.81

$319.30$319.30

4 sold
19% off
1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Lens 1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Lens

1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Lens

$30.74$37.95

High Power 12x50 ED Monocular Telescope HD Waterproof BAK4 Prism FMC for Bird Watching Hunting Camping Outdoor Travel High Power 12x50 ED Monocular Telescope HD Waterproof BAK4 Prism FMC for Bird Watching Hunting Camping Outdoor Travel

High Power 12x50 ED Monocular Telescope HD Waterproof BAK4 Prism FMC for Bird Watching Hunting Camping Outdoor Travel

$59.44$59.44

50% off
ARTBULL Golf Laser Rangefinder Telescope 650M Height Angle Measurement Waterproof Outdoor Golf Measuring Tool For Adults ARTBULL Golf Laser Rangefinder Telescope 650M Height Angle Measurement Waterproof Outdoor Golf Measuring Tool For Adults

ARTBULL Golf Laser Rangefinder Telescope 650M Height Angle Measurement Waterproof Outdoor Golf Measuring Tool For Adults

$478.23$956.46

56% off
Mechanical Lens Radius Gauge with Scratch-Resistant Tip and High-Visibility Scale Optimized for 1.53 Refractive Index Lenses Mechanical Lens Radius Gauge with Scratch-Resistant Tip and High-Visibility Scale Optimized for 1.53 Refractive Index Lenses

Mechanical Lens Radius Gauge with Scratch-Resistant Tip and High-Visibility Scale Optimized for 1.53 Refractive Index Lenses

$188.92$429.36

50% off
Handheld laser welding mirror, Jiaqiang Qilin protective lens, Xinghong Aosen refractive lens Handheld laser welding mirror, Jiaqiang Qilin protective lens, Xinghong Aosen refractive lens

Handheld laser welding mirror, Jiaqiang Qilin protective lens, Xinghong Aosen refractive lens

$29.90$59.80

10% off
Ophthalmic optometry and eyewear stand, lightweight glasses refraction fitting rack with four slots Ophthalmic optometry and eyewear stand, lightweight glasses refraction fitting rack with four slots

Ophthalmic optometry and eyewear stand, lightweight glasses refraction fitting rack with four slots

$180.00$200.00

4S Smart Balancer 5A High-Current Active Equalizer with Low-Voltage Sleep Protection for Ternary Lithium & LiFePO4 Battery 4S Smart Balancer 5A High-Current Active Equalizer with Low-Voltage Sleep Protection for Ternary Lithium & LiFePO4 Battery

4S Smart Balancer 5A High-Current Active Equalizer with Low-Voltage Sleep Protection for Ternary Lithium & LiFePO4 Battery

$200.85$200.85

46 sold
Professional Calcite Dichroscope – 60mm Metal Body, Test Pleochroism in Gems 15mm Aperture Doubly Refractive Stone Tester Professional Calcite Dichroscope – 60mm Metal Body, Test Pleochroism in Gems 15mm Aperture Doubly Refractive Stone Tester

Professional Calcite Dichroscope – 60mm Metal Body, Test Pleochroism in Gems 15mm Aperture Doubly Refractive Stone Tester

$270.00$270.00

44% off
Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Green-Tinted Lenses for Anglers Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Green-Tinted Lenses for Anglers

Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Green-Tinted Lenses for Anglers

$22.29$39.80

15% off
80mm Series Achromatic Cemented Lenses F316 F400 F500 F720 F900 for Refracting Astronomical Telescope Objective 80mm Series Achromatic Cemented Lenses F316 F400 F500 F720 F900 for Refracting Astronomical Telescope Objective

80mm Series Achromatic Cemented Lenses F316 F400 F500 F720 F900 for Refracting Astronomical Telescope Objective

$287.30$338.00

20% off
D73F400 Cemented Green-Coated Refractive Optical Glass Lens Blackened Edges DIY Collimator for Telescope Projector Camera Lenses D73F400 Cemented Green-Coated Refractive Optical Glass Lens Blackened Edges DIY Collimator for Telescope Projector Camera Lenses

D73F400 Cemented Green-Coated Refractive Optical Glass Lens Blackened Edges DIY Collimator for Telescope Projector Camera Lenses

$185.59$231.99

27% off
12X42 HD Binoculars Powerful Multi-Coated Optics BaK-4 Prisms Large View Telescope with Phone Adapter for Camping Outdoor 12X42 HD Binoculars Powerful Multi-Coated Optics BaK-4 Prisms Large View Telescope with Phone Adapter for Camping Outdoor

12X42 HD Binoculars Powerful Multi-Coated Optics BaK-4 Prisms Large View Telescope with Phone Adapter for Camping Outdoor

$35.68$48.88

8% off
Silver incentive refractive exercise device, mirror detection equipment, simulated eye inspection teaching Silver incentive refractive exercise device, mirror detection equipment, simulated eye inspection teaching

Silver incentive refractive exercise device, mirror detection equipment, simulated eye inspection teaching

$529.00$575.00

Svbony SV10 8x25 Compact Binoculars, Fixed Focus Porro Prism Mini Portable Binoculars for Birdwatching Travel and Competitions Svbony SV10 8x25 Compact Binoculars, Fixed Focus Porro Prism Mini Portable Binoculars for Birdwatching Travel and Competitions

Svbony SV10 8x25 Compact Binoculars, Fixed Focus Porro Prism Mini Portable Binoculars for Birdwatching Travel and Competitions

$29.55$29.55

21 sold
30% off
Automatic Temperature Compensation Refractive Index Sugar Content Tester Precision 0-55% Digital Brix Refractometer Brix Meter Automatic Temperature Compensation Refractive Index Sugar Content Tester Precision 0-55% Digital Brix Refractometer Brix Meter

Automatic Temperature Compensation Refractive Index Sugar Content Tester Precision 0-55% Digital Brix Refractometer Brix Meter

$152.60$218.00

21% off
1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Eyepiece Lens Accessories 1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Eyepiece Lens Accessories

1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Eyepiece Lens Accessories

$33.12$41.93

20% off
1.25-inch 90-degree prism zenith mirror full positive image Refracting 31.7mm Astronomical Telescope metal interface 1.25-inch 90-degree prism zenith mirror full positive image Refracting 31.7mm Astronomical Telescope metal interface

1.25-inch 90-degree prism zenith mirror full positive image Refracting 31.7mm Astronomical Telescope metal interface

$26.46$33.07

30% off
80 Series Dual-Separation Aberration-Free Green Film Optical Element for Refractive Astronomical Telescopes with Ring Enclosures 80 Series Dual-Separation Aberration-Free Green Film Optical Element for Refractive Astronomical Telescopes with Ring Enclosures

80 Series Dual-Separation Aberration-Free Green Film Optical Element for Refractive Astronomical Telescopes with Ring Enclosures

$420.00$600.00

25% off
93(90) Aperture F500/600/800/900/1000Mm Refractive Objective Diy Homemade Astronomical Telescope 93(90) Aperture F500/600/800/900/1000Mm Refractive Objective Diy Homemade Astronomical Telescope

93(90) Aperture F500/600/800/900/1000Mm Refractive Objective Diy Homemade Astronomical Telescope

$52.75$70.33

23% off
12x50 High Power Monocular Telescope with Phone Adapter, BAK4 Prism FMC Lens, IPX7 Waterproof for Hiking Hunting Travel 12x50 High Power Monocular Telescope with Phone Adapter, BAK4 Prism FMC Lens, IPX7 Waterproof for Hiking Hunting Travel

12x50 High Power Monocular Telescope with Phone Adapter, BAK4 Prism FMC Lens, IPX7 Waterproof for Hiking Hunting Travel

$416.38$540.75

1 sold
70% off
Mechanical Curvature Measuring Instrument for Optical Lenses Including For 1.53 Refractive Index Lenses Radius Meter Mechanical Curvature Measuring Instrument for Optical Lenses Including For 1.53 Refractive Index Lenses Radius Meter

Mechanical Curvature Measuring Instrument for Optical Lenses Including For 1.53 Refractive Index Lenses Radius Meter

$142.40$474.67

50% off
Stereoscopic Variable Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo Stereoscopic Variable Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo

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

$519.06$1038.12

35% off
Sugar Content Test 0~55% refractive index Refractometer Digital Brix Meter For Fruits/Vegetables/Veverages/Food Processing/Beer Sugar Content Test 0~55% refractive index Refractometer Digital Brix Meter For Fruits/Vegetables/Veverages/Food Processing/Beer

Sugar Content Test 0~55% refractive index Refractometer Digital Brix Meter For Fruits/Vegetables/Veverages/Food Processing/Beer

$26.65$41.00

4 sold
Jewelry jadeite jade authenticity identification instrument index built-in light source with refractive oil Jewelry jadeite jade authenticity identification instrument index built-in light source with refractive oil

Jewelry jadeite jade authenticity identification instrument index built-in light source with refractive oil

$620.00$620.00

43% off
Theater Binoculars with Chain Portable 4×30 Opera Binocular 4x30 Opera Glasses Vintage-Inspired Compact Performance Binoculars Theater Binoculars with Chain Portable 4×30 Opera Binocular 4x30 Opera Glasses Vintage-Inspired Compact Performance Binoculars

Theater Binoculars with Chain Portable 4×30 Opera Binocular 4x30 Opera Glasses Vintage-Inspired Compact Performance Binoculars

$412.73$724.09

25% off
90mm DIY Astronomy Telescope Accessories Double Group Self-made Optical Lenses Refractive Glass Achromatic Objective Lens 90mm DIY Astronomy Telescope Accessories Double Group Self-made Optical Lenses Refractive Glass Achromatic Objective Lens

90mm DIY Astronomy Telescope Accessories Double Group Self-made Optical Lenses Refractive Glass Achromatic Objective Lens

$59.99$79.99

4 sold
39% off
Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Handsunrestricted for Anglers Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Handsunrestricted for Anglers

Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Handsunrestricted for Anglers

$22.44$36.78

38% off
A76I-Handheld Densimeter 0-53% Prism Refraction Sugar Refractometer Saccharimeter Tester High Resolution A76I-Handheld Densimeter 0-53% Prism Refraction Sugar Refractometer Saccharimeter Tester High Resolution

A76I-Handheld Densimeter 0-53% Prism Refraction Sugar Refractometer Saccharimeter Tester High Resolution

$28.19$45.47

21% off
0.05mm High Precision 1.25 0.05mm High Precision 1.25

0.05mm High Precision 1.25" Double Helical Focuser M42 T2 SCT Thread 2" Adapter 10mm Focusing Travel for Astronomical Telescope

$169.08$214.03

30 sold
10% off
WHSZ10X-H/25 12.5X-H/20 Large Field of View Microscope Refractive Adjustable Eyepiece WHSZ10X-H/25 12.5X-H/20 Large Field of View Microscope Refractive Adjustable Eyepiece

WHSZ10X-H/25 12.5X-H/20 Large Field of View Microscope Refractive Adjustable Eyepiece

$229.50$255.00

49% off
RHG 1.30-1.81 Gemstone Refractometer Jewelry Emerald Zircon Testing Tool With LED Flashlight Double Refractometer Professional RHG 1.30-1.81 Gemstone Refractometer Jewelry Emerald Zircon Testing Tool With LED Flashlight Double Refractometer Professional

RHG 1.30-1.81 Gemstone Refractometer Jewelry Emerald Zircon Testing Tool With LED Flashlight Double Refractometer Professional

$340.48$672.34

99 sold
Professional Tripod for High-quality Monocular Long-distance Refraction Astronomical Telescope Professional Tripod for High-quality Monocular Long-distance Refraction Astronomical Telescope

Professional Tripod for High-quality Monocular Long-distance Refraction Astronomical Telescope

$566.21 $566.21

Categories: Tools, Measurement & Analysis Instruments

Buy Now
20% off
106 Calibre F600/F900mm Refractive Objective DIY Homemade Astronomical Telescope 106 Calibre F600/F900mm Refractive Objective DIY Homemade Astronomical Telescope

106 Calibre F600/F900mm Refractive Objective DIY Homemade Astronomical Telescope

$487.47 $609.34

3 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
1.25-inch 90-degree Prism Zenith Mirror Full Erect Image Refraction 31.7mm Astronomical Telescope Metal Interface 1.25-inch 90-degree Prism Zenith Mirror Full Erect Image Refraction 31.7mm Astronomical Telescope Metal Interface

1.25-inch 90-degree Prism Zenith Mirror Full Erect Image Refraction 31.7mm Astronomical Telescope Metal Interface

$243.51 $243.51

Categories: Tools, Measurement & Analysis Instruments

Buy Now
6% off
Glasses testing equipment, goggles Simulated eye inspection practice Eye refractive examination practitioner XSJ-501 Glasses testing equipment, goggles Simulated eye inspection practice Eye refractive examination practitioner XSJ-501

Glasses testing equipment, goggles Simulated eye inspection practice Eye refractive examination practitioner XSJ-501

$408.90 $435.00

Categories: Tools, Measurement & Analysis Instruments

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Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone Identification Measure Refractive Index Gems Value 1.81 Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone Identification Measure Refractive Index Gems Value 1.81

Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone Identification Measure Refractive Index Gems Value 1.81

$319.30 $319.30

4 sold

Categories: Tools, Measurement & Analysis Instruments

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19% off
1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Lens 1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Lens

1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Lens

$30.74 $37.95

Categories: Tools, Measurement & Analysis Instruments

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High Power 12x50 ED Monocular Telescope HD Waterproof BAK4 Prism FMC for Bird Watching Hunting Camping Outdoor Travel High Power 12x50 ED Monocular Telescope HD Waterproof BAK4 Prism FMC for Bird Watching Hunting Camping Outdoor Travel

High Power 12x50 ED Monocular Telescope HD Waterproof BAK4 Prism FMC for Bird Watching Hunting Camping Outdoor Travel

$59.44 $59.44

Categories: Tools, Measurement & Analysis Instruments

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50% off
ARTBULL Golf Laser Rangefinder Telescope 650M Height Angle Measurement Waterproof Outdoor Golf Measuring Tool For Adults ARTBULL Golf Laser Rangefinder Telescope 650M Height Angle Measurement Waterproof Outdoor Golf Measuring Tool For Adults

ARTBULL Golf Laser Rangefinder Telescope 650M Height Angle Measurement Waterproof Outdoor Golf Measuring Tool For Adults

$478.23 $956.46

Categories: Tools, Measurement & Analysis Instruments

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56% off
Mechanical Lens Radius Gauge with Scratch-Resistant Tip and High-Visibility Scale Optimized for 1.53 Refractive Index Lenses Mechanical Lens Radius Gauge with Scratch-Resistant Tip and High-Visibility Scale Optimized for 1.53 Refractive Index Lenses

Mechanical Lens Radius Gauge with Scratch-Resistant Tip and High-Visibility Scale Optimized for 1.53 Refractive Index Lenses

$188.92 $429.36

Categories: Tools, Measurement & Analysis Instruments

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50% off
Handheld laser welding mirror, Jiaqiang Qilin protective lens, Xinghong Aosen refractive lens Handheld laser welding mirror, Jiaqiang Qilin protective lens, Xinghong Aosen refractive lens

Handheld laser welding mirror, Jiaqiang Qilin protective lens, Xinghong Aosen refractive lens

$29.90 $59.80

Categories: Tools, Measurement & Analysis Instruments

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10% off
Ophthalmic optometry and eyewear stand, lightweight glasses refraction fitting rack with four slots Ophthalmic optometry and eyewear stand, lightweight glasses refraction fitting rack with four slots

Ophthalmic optometry and eyewear stand, lightweight glasses refraction fitting rack with four slots

$180.00 $200.00

Categories: Tools, Measurement & Analysis Instruments

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4S Smart Balancer 5A High-Current Active Equalizer with Low-Voltage Sleep Protection for Ternary Lithium & LiFePO4 Battery 4S Smart Balancer 5A High-Current Active Equalizer with Low-Voltage Sleep Protection for Ternary Lithium & LiFePO4 Battery

4S Smart Balancer 5A High-Current Active Equalizer with Low-Voltage Sleep Protection for Ternary Lithium & LiFePO4 Battery

$200.85 $200.85

46 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Professional Calcite Dichroscope – 60mm Metal Body, Test Pleochroism in Gems 15mm Aperture Doubly Refractive Stone Tester Professional Calcite Dichroscope – 60mm Metal Body, Test Pleochroism in Gems 15mm Aperture Doubly Refractive Stone Tester

Professional Calcite Dichroscope – 60mm Metal Body, Test Pleochroism in Gems 15mm Aperture Doubly Refractive Stone Tester

$270.00 $270.00

Categories: Tools, Measurement & Analysis Instruments

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44% off
Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Green-Tinted Lenses for Anglers Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Green-Tinted Lenses for Anglers

Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Green-Tinted Lenses for Anglers

$22.29 $39.80

Categories: Tools, Measurement & Analysis Instruments

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15% off
80mm Series Achromatic Cemented Lenses F316 F400 F500 F720 F900 for Refracting Astronomical Telescope Objective 80mm Series Achromatic Cemented Lenses F316 F400 F500 F720 F900 for Refracting Astronomical Telescope Objective

80mm Series Achromatic Cemented Lenses F316 F400 F500 F720 F900 for Refracting Astronomical Telescope Objective

$287.30 $338.00

Categories: Tools, Measurement & Analysis Instruments

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20% off
D73F400 Cemented Green-Coated Refractive Optical Glass Lens Blackened Edges DIY Collimator for Telescope Projector Camera Lenses D73F400 Cemented Green-Coated Refractive Optical Glass Lens Blackened Edges DIY Collimator for Telescope Projector Camera Lenses

D73F400 Cemented Green-Coated Refractive Optical Glass Lens Blackened Edges DIY Collimator for Telescope Projector Camera Lenses

$185.59 $231.99

Categories: Tools, Measurement & Analysis Instruments

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27% off
12X42 HD Binoculars Powerful Multi-Coated Optics BaK-4 Prisms Large View Telescope with Phone Adapter for Camping Outdoor 12X42 HD Binoculars Powerful Multi-Coated Optics BaK-4 Prisms Large View Telescope with Phone Adapter for Camping Outdoor

12X42 HD Binoculars Powerful Multi-Coated Optics BaK-4 Prisms Large View Telescope with Phone Adapter for Camping Outdoor

$35.68 $48.88

Categories: Tools, Measurement & Analysis Instruments

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8% off
Silver incentive refractive exercise device, mirror detection equipment, simulated eye inspection teaching Silver incentive refractive exercise device, mirror detection equipment, simulated eye inspection teaching

Silver incentive refractive exercise device, mirror detection equipment, simulated eye inspection teaching

$529.00 $575.00

Categories: Tools, Measurement & Analysis Instruments

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Svbony SV10 8x25 Compact Binoculars, Fixed Focus Porro Prism Mini Portable Binoculars for Birdwatching Travel and Competitions Svbony SV10 8x25 Compact Binoculars, Fixed Focus Porro Prism Mini Portable Binoculars for Birdwatching Travel and Competitions

Svbony SV10 8x25 Compact Binoculars, Fixed Focus Porro Prism Mini Portable Binoculars for Birdwatching Travel and Competitions

$29.55 $29.55

21 sold

Categories: Tools, Measurement & Analysis Instruments

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30% off
Automatic Temperature Compensation Refractive Index Sugar Content Tester Precision 0-55% Digital Brix Refractometer Brix Meter Automatic Temperature Compensation Refractive Index Sugar Content Tester Precision 0-55% Digital Brix Refractometer Brix Meter

Automatic Temperature Compensation Refractive Index Sugar Content Tester Precision 0-55% Digital Brix Refractometer Brix Meter

$152.60 $218.00

Categories: Tools, Measurement & Analysis Instruments

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21% off
1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Eyepiece Lens Accessories 1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Eyepiece Lens Accessories

1PC 1.25'' Apochromatic 5x Magnification Mirror F Astronomical Telescope Eyepiece Lens Accessories

$33.12 $41.93

Categories: Tools, Measurement & Analysis Instruments

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20% off
1.25-inch 90-degree prism zenith mirror full positive image Refracting 31.7mm Astronomical Telescope metal interface 1.25-inch 90-degree prism zenith mirror full positive image Refracting 31.7mm Astronomical Telescope metal interface

1.25-inch 90-degree prism zenith mirror full positive image Refracting 31.7mm Astronomical Telescope metal interface

$26.46 $33.07

Categories: Tools, Measurement & Analysis Instruments

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30% off
80 Series Dual-Separation Aberration-Free Green Film Optical Element for Refractive Astronomical Telescopes with Ring Enclosures 80 Series Dual-Separation Aberration-Free Green Film Optical Element for Refractive Astronomical Telescopes with Ring Enclosures

80 Series Dual-Separation Aberration-Free Green Film Optical Element for Refractive Astronomical Telescopes with Ring Enclosures

$420.00 $600.00

Categories: Tools, Measurement & Analysis Instruments

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25% off
93(90) Aperture F500/600/800/900/1000Mm Refractive Objective Diy Homemade Astronomical Telescope 93(90) Aperture F500/600/800/900/1000Mm Refractive Objective Diy Homemade Astronomical Telescope

93(90) Aperture F500/600/800/900/1000Mm Refractive Objective Diy Homemade Astronomical Telescope

$52.75 $70.33

Categories: Tools, Measurement & Analysis Instruments

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23% off
12x50 High Power Monocular Telescope with Phone Adapter, BAK4 Prism FMC Lens, IPX7 Waterproof for Hiking Hunting Travel 12x50 High Power Monocular Telescope with Phone Adapter, BAK4 Prism FMC Lens, IPX7 Waterproof for Hiking Hunting Travel

12x50 High Power Monocular Telescope with Phone Adapter, BAK4 Prism FMC Lens, IPX7 Waterproof for Hiking Hunting Travel

$416.38 $540.75

1 sold

Categories: Tools, Measurement & Analysis Instruments

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70% off
Mechanical Curvature Measuring Instrument for Optical Lenses Including For 1.53 Refractive Index Lenses Radius Meter Mechanical Curvature Measuring Instrument for Optical Lenses Including For 1.53 Refractive Index Lenses Radius Meter

Mechanical Curvature Measuring Instrument for Optical Lenses Including For 1.53 Refractive Index Lenses Radius Meter

$142.40 $474.67

Categories: Tools, Measurement & Analysis Instruments

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50% off
Stereoscopic Variable Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo Stereoscopic Variable Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo

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

$519.06 $1038.12

Categories: Tools, Measurement & Analysis Instruments

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35% off
Sugar Content Test 0~55% refractive index Refractometer Digital Brix Meter For Fruits/Vegetables/Veverages/Food Processing/Beer Sugar Content Test 0~55% refractive index Refractometer Digital Brix Meter For Fruits/Vegetables/Veverages/Food Processing/Beer

Sugar Content Test 0~55% refractive index Refractometer Digital Brix Meter For Fruits/Vegetables/Veverages/Food Processing/Beer

$26.65 $41.00

4 sold

Categories: Tools, Measurement & Analysis Instruments

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Jewelry jadeite jade authenticity identification instrument index built-in light source with refractive oil Jewelry jadeite jade authenticity identification instrument index built-in light source with refractive oil

Jewelry jadeite jade authenticity identification instrument index built-in light source with refractive oil

$620.00 $620.00

Categories: Tools, Measurement & Analysis Instruments

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43% off
Theater Binoculars with Chain Portable 4×30 Opera Binocular 4x30 Opera Glasses Vintage-Inspired Compact Performance Binoculars Theater Binoculars with Chain Portable 4×30 Opera Binocular 4x30 Opera Glasses Vintage-Inspired Compact Performance Binoculars

Theater Binoculars with Chain Portable 4×30 Opera Binocular 4x30 Opera Glasses Vintage-Inspired Compact Performance Binoculars

$412.73 $724.09

Categories: Tools, Measurement & Analysis Instruments

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25% off
90mm DIY Astronomy Telescope Accessories Double Group Self-made Optical Lenses Refractive Glass Achromatic Objective Lens 90mm DIY Astronomy Telescope Accessories Double Group Self-made Optical Lenses Refractive Glass Achromatic Objective Lens

90mm DIY Astronomy Telescope Accessories Double Group Self-made Optical Lenses Refractive Glass Achromatic Objective Lens

$59.99 $79.99

4 sold

Categories: Tools, Measurement & Analysis Instruments

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39% off
Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Handsunrestricted for Anglers Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Handsunrestricted for Anglers

Fishing Viewing Glasses Adjustable Focus Fishing Telescope Wearable Telescope Handsunrestricted for Anglers

$22.44 $36.78

Categories: Tools, Measurement & Analysis Instruments

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38% off
A76I-Handheld Densimeter 0-53% Prism Refraction Sugar Refractometer Saccharimeter Tester High Resolution A76I-Handheld Densimeter 0-53% Prism Refraction Sugar Refractometer Saccharimeter Tester High Resolution

A76I-Handheld Densimeter 0-53% Prism Refraction Sugar Refractometer Saccharimeter Tester High Resolution

$28.19 $45.47

Categories: Tools, Measurement & Analysis Instruments

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21% off
0.05mm High Precision 1.25 0.05mm High Precision 1.25

0.05mm High Precision 1.25" Double Helical Focuser M42 T2 SCT Thread 2" Adapter 10mm Focusing Travel for Astronomical Telescope

$169.08 $214.03

30 sold

Categories: Tools, Measurement & Analysis Instruments

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10% off
WHSZ10X-H/25 12.5X-H/20 Large Field of View Microscope Refractive Adjustable Eyepiece WHSZ10X-H/25 12.5X-H/20 Large Field of View Microscope Refractive Adjustable Eyepiece

WHSZ10X-H/25 12.5X-H/20 Large Field of View Microscope Refractive Adjustable Eyepiece

$229.50 $255.00

Categories: Tools, Measurement & Analysis Instruments

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49% off
RHG 1.30-1.81 Gemstone Refractometer Jewelry Emerald Zircon Testing Tool With LED Flashlight Double Refractometer Professional RHG 1.30-1.81 Gemstone Refractometer Jewelry Emerald Zircon Testing Tool With LED Flashlight Double Refractometer Professional

RHG 1.30-1.81 Gemstone Refractometer Jewelry Emerald Zircon Testing Tool With LED Flashlight Double Refractometer Professional

$340.48 $672.34

99 sold

Categories: Tools, Measurement & Analysis Instruments

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