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RisingCam imx294 10mp 4/3" sensor digital cooling astronomical telescope astronomy camera

$785.00~~$785.00~~

Askar SQA55 f/4.8 Quintuplet air-spaced SD glass Petzval astrograph for astrophotography and daily photography

$5525.95~~$5525.95~~

6 sold

$Gem Refractometer with Adjustable LED Light for Refractive Index Measurement$ $Gem Refractometer with Adjustable LED Light for Refractive Index Measurement$

Gem Refractometer with Adjustable LED Light for Refractive Index Measurement

$6560.25~~$6560.25~~

$Gem Refractometer 1.35–1.85 with CZ Testing Prism for Gemstone Refractive Index Testing$ $Gem Refractometer 1.35–1.85 with CZ Testing Prism for Gemstone Refractive Index Testing$

Gem Refractometer 1.35–1.85 with CZ Testing Prism for Gemstone Refractive Index Testing

$5790.43~~$5790.43~~

50% off

Flat Field ED 10x42 Waterproof Portable Binoculars BAaK4 FMC High-power HD Large Aperture Super Professional High-end Binoculars

$4390.00~~$8780.00~~

47% off

$120900 Astronomical Telescope Large Aperture Equatorial Refracting Outdoor High Magnification HD Professional Stargazing Moon$ $120900 Astronomical Telescope Large Aperture Equatorial Refracting Outdoor High Magnification HD Professional Stargazing Moon$

120900 Astronomical Telescope Large Aperture Equatorial Refracting Outdoor High Magnification HD Professional Stargazing Moon

$4558.22~~$8600.42~~

$Gem Refractive Index Tester for Gemstone Identification and Measurement$ $Gem Refractive Index Tester for Gemstone Identification and Measurement$

Gem Refractive Index Tester for Gemstone Identification and Measurement

$5020.60~~$5020.60~~

$1.3 Mp Wide Dynamic Range, 127 mm Diameter and 1200 mm Focus Distance Lens, Digital Refractive Telescope with Equatorial Mount$ $1.3 Mp Wide Dynamic Range, 127 mm Diameter and 1200 mm Focus Distance Lens, Digital Refractive Telescope with Equatorial Mount$

1.3 Mp Wide Dynamic Range, 127 mm Diameter and 1200 mm Focus Distance Lens, Digital Refractive Telescope with Equatorial Mount

$5714.90~~$5714.90~~

$Vequyn Fully Automatic Comprehensive Optometry Head for Refractive Eye Examination$ $Vequyn Fully Automatic Comprehensive Optometry Head for Refractive Eye Examination$

Vequyn Fully Automatic Comprehensive Optometry Head for Refractive Eye Examination

$4990.77~~$4990.77~~

$Gem Refractometer 1.35–1.85 with Polarizing Lens for Refractive Index and Gemstone Testing$ $Gem Refractometer 1.35–1.85 with Polarizing Lens for Refractive Index and Gemstone Testing$

Gem Refractometer 1.35–1.85 with Polarizing Lens for Refractive Index and Gemstone Testing

$6560.25~~$6560.25~~

$2026-PAL-RI Digital Atago refractometer (polarimeter) hand held$ $2026-PAL-RI Digital Atago refractometer (polarimeter) hand held$

2026-PAL-RI Digital Atago refractometer (polarimeter) hand held "Pocket" auto Refractive Index 0.03%

$5034.57~~$5034.57~~

$Factory Direct Professional Gem Refractive Index Tester$ $Factory Direct Professional Gem Refractive Index Tester$

Factory Direct Professional Gem Refractive Index Tester

$5467.44~~$5467.44~~

hand held "Pocket" auto Refractive Index 0.03% PAL-RI Digital Atago refractometer (polarimeter)

$6395.93~~$6395.93~~

Askar 71F Flat-Field Lightweight compact affordable quadruplet flat-field Astrograph for visual observing and astrophotography

$4719.10~~$4719.10~~

1 sold

$Portable Gem Refractometer with Built-in Battery for Refractive Index Testing$ $Portable Gem Refractometer with Built-in Battery for Refractive Index Testing$

Portable Gem Refractometer with Built-in Battery for Refractive Index Testing

$5020.60~~$5020.60~~

$ZHANJING 5 Inch Professional Refractive Astronomical Telescope with Finder Scope and Tripod for Students Children$ $ZHANJING 5 Inch Professional Refractive Astronomical Telescope with Finder Scope and Tripod for Students Children$

ZHANJING 5 Inch Professional Refractive Astronomical Telescope with Finder Scope and Tripod for Students Children

$5712.50~~$5712.50~~

$optical instrument refraction chair low price ophthalmic unit$ $optical instrument refraction chair low price ophthalmic unit$

optical instrument refraction chair low price ophthalmic unit

$4677.33~~$4677.33~~

5% off

$OU-1800 optical instrument refraction chair low price ophthalmic unit$

OU-1800 optical instrument refraction chair low price ophthalmic unit

$6064.28~~$6383.45~~

1 sold

5% off

$PAL-RI Digital Atago refractometer (polarimeter) hand held$ $PAL-RI Digital Atago refractometer (polarimeter) hand held$

PAL-RI Digital Atago refractometer (polarimeter) hand held "Pocket" auto Refractive Index 0.03%

$5679.76~~$5978.70~~

$Gem Refractometer with Polarizing Lens for Refractive Index Measurement and Gemstone Testing$ $Gem Refractometer with Polarizing Lens for Refractive Index Measurement and Gemstone Testing$

Gem Refractometer with Polarizing Lens for Refractive Index Measurement and Gemstone Testing

$5790.43~~$5790.43~~

$Vequyn Economic Fully Functional Optometry Table Unit – Combined Refraction and Ophthalmic Station$ $Vequyn Economic Fully Functional Optometry Table Unit – Combined Refraction and Ophthalmic Station$

Vequyn Economic Fully Functional Optometry Table Unit – Combined Refraction and Ophthalmic Station

$4666.00~~$4666.00~~

$CS-530 optical instrument refraction chair low price ophthalmic unit$ $CS-530 optical instrument refraction chair low price ophthalmic unit$

CS-530 optical instrument refraction chair low price ophthalmic unit

$4951.72~~$4951.72~~

1% off

$Digital Abbe Refractometer Gem Abbe Refractometer Jewelry Identification Gem Refractive Index Measuring Instrument Jade$ $Digital Abbe Refractometer Gem Abbe Refractometer Jewelry Identification Gem Refractive Index Measuring Instrument Jade$

Digital Abbe Refractometer Gem Abbe Refractometer Jewelry Identification Gem Refractive Index Measuring Instrument Jade

$5159.08~~$5211.19~~

10% off

$CS-530 optical instrument refraction chair low price ophthalmic unit$ $CS-530 optical instrument refraction chair low price ophthalmic unit$

CS-530 optical instrument refraction chair low price ophthalmic unit

$5231.04~~$5812.27~~

1 sold

15% off

$Diameter154mm Large Aperture Dual Separation Lenses Refractive Astronomical Telescope Objective with Metal Base$ $Diameter154mm Large Aperture Dual Separation Lenses Refractive Astronomical Telescope Objective with Metal Base$

Diameter154mm Large Aperture Dual Separation Lenses Refractive Astronomical Telescope Objective with Metal Base

$4391.07~~$5165.96~~

1 sold

$Fully automatic blue-light UV refraction and lens fitting system with built-in printer and pupillary distance measurement$ $Fully automatic blue-light UV refraction and lens fitting system with built-in printer and pupillary distance measurement$

Fully automatic blue-light UV refraction and lens fitting system with built-in printer and pupillary distance measurement

$4745.76~~$4745.76~~

$Gem Refractometer 1.35–1.85 Refractive Index Tester for Gemstone Testing$ $Gem Refractometer 1.35–1.85 Refractive Index Tester for Gemstone Testing$

Gem Refractometer 1.35–1.85 Refractive Index Tester for Gemstone Testing

$5790.43~~$5790.43~~

8% off

$100 Meters Without Take-out Without Geophone Connector Seismic Cable for MASW Refraction Reflection Pasi, Daq Seismographs$ $100 Meters Without Take-out Without Geophone Connector Seismic Cable for MASW Refraction Reflection Pasi, Daq Seismographs$

100 Meters Without Take-out Without Geophone Connector Seismic Cable for MASW Refraction Reflection Pasi, Daq Seismographs

$5472.39~~$5948.25~~

$LED Gem Refractometer with Monochromatic Light Filter for Gemstone Refractive Index Testing$ $LED Gem Refractometer with Monochromatic Light Filter for Gemstone Refractive Index Testing$

LED Gem Refractometer with Monochromatic Light Filter for Gemstone Refractive Index Testing

$5020.60~~$5020.60~~

$OU-1800 Optical Instrument Refraction Chair Ophthalmic Unit Low Price for Eye Examination And Prescription Fitting$ $OU-1800 Optical Instrument Refraction Chair Ophthalmic Unit Low Price for Eye Examination And Prescription Fitting$

OU-1800 Optical Instrument Refraction Chair Ophthalmic Unit Low Price for Eye Examination And Prescription Fitting

$5903.97~~$5903.97~~

50% off

$Large Aperture 120900 Astronomical Telescope Refraction Education Mobile Phone Professional Monocular Astronomical$ $Large Aperture 120900 Astronomical Telescope Refraction Education Mobile Phone Professional Monocular Astronomical$

Large Aperture 120900 Astronomical Telescope Refraction Education Mobile Phone Professional Monocular Astronomical

$3130.00~~$6260.00~~

$Gem Refractometer for Refractive Index Measurement and Gemstone Testing$ $Gem Refractometer for Refractive Index Measurement and Gemstone Testing$

Gem Refractometer for Refractive Index Measurement and Gemstone Testing

$6560.25~~$6560.25~~

$Professional Refractive Index Testing For Jewelry And Gemstones 1.35-1 Gemological Instruments Gemological Refractometers$ $Professional Refractive Index Testing For Jewelry And Gemstones 1.35-1 Gemological Instruments Gemological Refractometers$

Professional Refractive Index Testing For Jewelry And Gemstones 1.35-1 Gemological Instruments Gemological Refractometers

$6305.77~~$6305.77~~

13% off

Lens with Metal Holder 154F2250mm Multi-coated HD Dual Separation Objective Lens for Precision Type Astronomical Telescope

$702.09~~$807.00~~

15% off

$Automatic computer focal meter Optician refraction equipment Lens power measurement$ $Automatic computer focal meter Optician refraction equipment Lens power measurement$

Automatic computer focal meter Optician refraction equipment Lens power measurement

$4211.61~~$4954.84~~

Askar 65PHQ f/6.4 focal ratio, 416mm focal length quintuplet with two ED glasses ,supports the full-frame image circle

$6293.00~~$6293.00~~

RisingCam imx294 10mp 4/3" sensor digital cooling astronomical telescope astronomy camera

$785.00 $785.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now

Askar SQA55 f/4.8 Quintuplet air-spaced SD glass Petzval astrograph for astrophotography and daily photography

$5525.95 $5525.95

6 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Gem Refractometer with Adjustable LED Light for Refractive Index Measurement$ $Gem Refractometer with Adjustable LED Light for Refractive Index Measurement$

Gem Refractometer with Adjustable LED Light for Refractive Index Measurement

$6560.25 $6560.25

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Gem Refractometer 1.35–1.85 with CZ Testing Prism for Gemstone Refractive Index Testing$ $Gem Refractometer 1.35–1.85 with CZ Testing Prism for Gemstone Refractive Index Testing$

Gem Refractometer 1.35–1.85 with CZ Testing Prism for Gemstone Refractive Index Testing

$5790.43 $5790.43

Categories: Tools, Measurement & Analysis Instruments

Buy Now

50% off

Flat Field ED 10x42 Waterproof Portable Binoculars BAaK4 FMC High-power HD Large Aperture Super Professional High-end Binoculars

$4390.00 $8780.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now

47% off

120900 Astronomical Telescope Large Aperture Equatorial Refracting Outdoor High Magnification HD Professional Stargazing Moon

$4558.22 $8600.42

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Gem Refractive Index Tester for Gemstone Identification and Measurement$ $Gem Refractive Index Tester for Gemstone Identification and Measurement$

Gem Refractive Index Tester for Gemstone Identification and Measurement

$5020.60 $5020.60

Categories: Tools, Measurement & Analysis Instruments

Buy Now

1.3 Mp Wide Dynamic Range, 127 mm Diameter and 1200 mm Focus Distance Lens, Digital Refractive Telescope with Equatorial Mount

$5714.90 $5714.90

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Vequyn Fully Automatic Comprehensive Optometry Head for Refractive Eye Examination$ $Vequyn Fully Automatic Comprehensive Optometry Head for Refractive Eye Examination$

Vequyn Fully Automatic Comprehensive Optometry Head for Refractive Eye Examination

$4990.77 $4990.77

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Gem Refractometer 1.35–1.85 with Polarizing Lens for Refractive Index and Gemstone Testing$ $Gem Refractometer 1.35–1.85 with Polarizing Lens for Refractive Index and Gemstone Testing$

Gem Refractometer 1.35–1.85 with Polarizing Lens for Refractive Index and Gemstone Testing

$6560.25 $6560.25

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$2026-PAL-RI Digital Atago refractometer (polarimeter) hand held$ $2026-PAL-RI Digital Atago refractometer (polarimeter) hand held$

2026-PAL-RI Digital Atago refractometer (polarimeter) hand held "Pocket" auto Refractive Index 0.03%

$5034.57 $5034.57

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Factory Direct Professional Gem Refractive Index Tester$ $Factory Direct Professional Gem Refractive Index Tester$

Factory Direct Professional Gem Refractive Index Tester

$5467.44 $5467.44

Categories: Tools, Measurement & Analysis Instruments

Buy Now

hand held "Pocket" auto Refractive Index 0.03% PAL-RI Digital Atago refractometer (polarimeter)

$6395.93 $6395.93

Categories: Tools, Measurement & Analysis Instruments

Buy Now

Askar 71F Flat-Field Lightweight compact affordable quadruplet flat-field Astrograph for visual observing and astrophotography

$4719.10 $4719.10

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Portable Gem Refractometer with Built-in Battery for Refractive Index Testing$ $Portable Gem Refractometer with Built-in Battery for Refractive Index Testing$

Portable Gem Refractometer with Built-in Battery for Refractive Index Testing

$5020.60 $5020.60

Categories: Tools, Measurement & Analysis Instruments

Buy Now

ZHANJING 5 Inch Professional Refractive Astronomical Telescope with Finder Scope and Tripod for Students Children

$5712.50 $5712.50

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$optical instrument refraction chair low price ophthalmic unit$ $optical instrument refraction chair low price ophthalmic unit$

optical instrument refraction chair low price ophthalmic unit

$4677.33 $4677.33

Categories: Tools, Measurement & Analysis Instruments

Buy Now

5% off

$OU-1800 optical instrument refraction chair low price ophthalmic unit$

OU-1800 optical instrument refraction chair low price ophthalmic unit

$6064.28 $6383.45

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

5% off

$PAL-RI Digital Atago refractometer (polarimeter) hand held$ $PAL-RI Digital Atago refractometer (polarimeter) hand held$

PAL-RI Digital Atago refractometer (polarimeter) hand held "Pocket" auto Refractive Index 0.03%

$5679.76 $5978.70

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Gem Refractometer with Polarizing Lens for Refractive Index Measurement and Gemstone Testing$ $Gem Refractometer with Polarizing Lens for Refractive Index Measurement and Gemstone Testing$

Gem Refractometer with Polarizing Lens for Refractive Index Measurement and Gemstone Testing

$5790.43 $5790.43

Categories: Tools, Measurement & Analysis Instruments

Buy Now

Vequyn Economic Fully Functional Optometry Table Unit – Combined Refraction and Ophthalmic Station

$4666.00 $4666.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$CS-530 optical instrument refraction chair low price ophthalmic unit$ $CS-530 optical instrument refraction chair low price ophthalmic unit$

CS-530 optical instrument refraction chair low price ophthalmic unit

$4951.72 $4951.72

Categories: Tools, Measurement & Analysis Instruments

Buy Now

1% off

Digital Abbe Refractometer Gem Abbe Refractometer Jewelry Identification Gem Refractive Index Measuring Instrument Jade

$5159.08 $5211.19

Categories: Tools, Measurement & Analysis Instruments

Buy Now

10% off

$CS-530 optical instrument refraction chair low price ophthalmic unit$ $CS-530 optical instrument refraction chair low price ophthalmic unit$

CS-530 optical instrument refraction chair low price ophthalmic unit

$5231.04 $5812.27

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

15% off

Diameter154mm Large Aperture Dual Separation Lenses Refractive Astronomical Telescope Objective with Metal Base

$4391.07 $5165.96

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

Fully automatic blue-light UV refraction and lens fitting system with built-in printer and pupillary distance measurement

$4745.76 $4745.76

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Gem Refractometer 1.35–1.85 Refractive Index Tester for Gemstone Testing$ $Gem Refractometer 1.35–1.85 Refractive Index Tester for Gemstone Testing$

Gem Refractometer 1.35–1.85 Refractive Index Tester for Gemstone Testing

$5790.43 $5790.43

Categories: Tools, Measurement & Analysis Instruments

Buy Now

8% off

100 Meters Without Take-out Without Geophone Connector Seismic Cable for MASW Refraction Reflection Pasi, Daq Seismographs

$5472.39 $5948.25

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$LED Gem Refractometer with Monochromatic Light Filter for Gemstone Refractive Index Testing$ $LED Gem Refractometer with Monochromatic Light Filter for Gemstone Refractive Index Testing$

LED Gem Refractometer with Monochromatic Light Filter for Gemstone Refractive Index Testing

$5020.60 $5020.60

Categories: Tools, Measurement & Analysis Instruments

Buy Now

OU-1800 Optical Instrument Refraction Chair Ophthalmic Unit Low Price for Eye Examination And Prescription Fitting

$5903.97 $5903.97

Categories: Tools, Measurement & Analysis Instruments

Buy Now

50% off

Large Aperture 120900 Astronomical Telescope Refraction Education Mobile Phone Professional Monocular Astronomical

$3130.00 $6260.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Gem Refractometer for Refractive Index Measurement and Gemstone Testing$ $Gem Refractometer for Refractive Index Measurement and Gemstone Testing$

Gem Refractometer for Refractive Index Measurement and Gemstone Testing

$6560.25 $6560.25

Categories: Tools, Measurement & Analysis Instruments

Buy Now

Professional Refractive Index Testing For Jewelry And Gemstones 1.35-1 Gemological Instruments Gemological Refractometers

$6305.77 $6305.77

Categories: Tools, Measurement & Analysis Instruments

Buy Now

13% off

Lens with Metal Holder 154F2250mm Multi-coated HD Dual Separation Objective Lens for Precision Type Astronomical Telescope

$702.09 $807.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now

15% off

$Automatic computer focal meter Optician refraction equipment Lens power measurement$ $Automatic computer focal meter Optician refraction equipment Lens power measurement$