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$59.99
Aicevoos Digital Sugar Brix Refractometer Brix Meter Automatic Temperature Compensation Range 0-35%±0.2% Precision, Perfect For Fruits, Juices,
Amazon.com
135
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$59.99
Aicevoos Digital Sugar Brix Refractometer Brix Meter Automatic Temperature Compensation Range 0-35%±0.2% Precision, Perfect For Fruits, Juices,
Amazon.com
135
$2,499.00
AISITESY Fully Automatic Refractometer Keratometer And Optometry Optical Equipment Refractor For Optometrist Clinics And Ophthalmologists (White)
Amazon.com
Free shipping
$2,499.00
AISITESY Fully Automatic Refractometer Keratometer And Optometry Optical Equipment Refractor For Optometrist Clinics And Ophthalmologists (White)
Amazon.com
Free shipping
$359.99
$399.99
SVBONY SV503 Refractor Telescope With Built-In Field Flattener, 70mm F6.78 Extra Low Dispersion Achromatic Refractor OTA, Telescope For Adults, For
Amazon.com
179
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10% off
$359.99
$399.99
SVBONY SV503 Refractor Telescope With Built-In Field Flattener, 70mm F6.78 Extra Low Dispersion Achromatic Refractor OTA, Telescope For Adults, For
Amazon.com
179
$239.99
Hawkko Telescope, 90mm Aperture 900mm Astronomical Refractor Telescope For Adults High Powered - Multi-Coated Professional Telescopes For Astronomy
Amazon.com
255
Free shipping
$239.99
Hawkko Telescope, 90mm Aperture 900mm Astronomical Refractor Telescope For Adults High Powered - Multi-Coated Professional Telescopes For Astronomy
Amazon.com
255
$1,821.16
Vee Gee Refractometer: Brix/Refractive Index, +/-0.0003 RI/+/-0.15 Brix, Manual, Digital, +/-1°C Model: C10
Grainger
$1,821.16
Vee Gee Refractometer: Brix/Refractive Index, +/-0.0003 RI/+/-0.15 Brix, Manual, Digital, +/-1°C Model: C10
Grainger
$429.00
Celestron Starsense Explorer DX 102AZ Refractor Telescope
High Point Scientific
1K+
$429.00
Celestron Starsense Explorer DX 102AZ Refractor Telescope
High Point Scientific
1K+
$2,650.00
Fa-6100A Auto Refractor Refractometer Optometry Machine 5.7'' Lcd
eBay
Free shipping
$2,650.00
Fa-6100A Auto Refractor Refractometer Optometry Machine 5.7'' Lcd
eBay
Free shipping
$69.99
NEYLANG Telescope, 70mm Aperture Portable Refractor Telescopes For Astronomy Beginners, 400mm Professional Travel Telescope With Carry Bag, White
Amazon.com
4
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$69.99
NEYLANG Telescope, 70mm Aperture Portable Refractor Telescopes For Astronomy Beginners, 400mm Professional Travel Telescope With Carry Bag, White
Amazon.com
4
$79.95
Celestron Travel Scope 50 Portable Refractor Telescope - 50mm Aperture, Fully-Coated Glass Optics - Includes Tripod, Backpack & Software - Ideal For
Amazon.com
12K+
Free shipping
$79.95
Celestron Travel Scope 50 Portable Refractor Telescope - 50mm Aperture, Fully-Coated Glass Optics - Includes Tripod, Backpack & Software - Ideal For
Amazon.com
12K+
$329.99
$379.95
Celestron Inspire 100AZ Refractor Telescope With Built-In Smartphone Adapter, Blue
Amazon.com
213
Free shipping
13% off
$329.99
$379.95
Celestron Inspire 100AZ Refractor Telescope With Built-In Smartphone Adapter, Blue
Amazon.com
213
$149.95
Celestron Travel Scope 80 Alt-Az Refractor With Smartphone Adapter
High Point Scientific
1K+
$149.95
Celestron Travel Scope 80 Alt-Az Refractor With Smartphone Adapter
High Point Scientific
1K+
$2,100.00
VV LIINNCXM Auto Refractometer Optical Instruments Optometrist Clinic Ophthalmologist Autorefractor With Keratometer Comprehensive Optometry New ARK-
Amazon.com
Free shipping
$2,100.00
VV LIINNCXM Auto Refractometer Optical Instruments Optometrist Clinic Ophthalmologist Autorefractor With Keratometer Comprehensive Optometry New ARK-
Amazon.com
Free shipping
$449.99
Explore Scientific 127 mm Achromatic Refractor OTA With Accessories
High Point Scientific
$449.99
Explore Scientific 127 mm Achromatic Refractor OTA With Accessories
High Point Scientific
$169.95
Professional Astronomical 150X Magnification Refracting Telescope
Aroflit
$169.95
Professional Astronomical 150X Magnification Refracting Telescope
Aroflit
$699.99
Explore Scientific 80 mm F/6 FCD100 Air-Spaced Triplet Refractor With 2.5" HEX Focuser
High Point Scientific
$699.99
Explore Scientific 80 mm F/6 FCD100 Air-Spaced Triplet Refractor With 2.5" HEX Focuser
High Point Scientific
$1,199.99
Explore Scientific 102 mm F/7 FCD100 Air-Spaced Triplet Refractor With 2.5" HEX Focuser
High Point Scientific
1
$1,199.99
Explore Scientific 102 mm F/7 FCD100 Air-Spaced Triplet Refractor With 2.5" HEX Focuser
High Point Scientific
1
$839.99
Explore Scientific Firstlight ar102mm Tube Refractor With Twi 1 White FL-AR1021000MAZ01
Optics Planet
$839.99
Explore Scientific Firstlight ar102mm Tube Refractor With Twi 1 White FL-AR1021000MAZ01
Optics Planet
$109.95
Celestron Travel Scope 60DX Portable Refractor Telescope - 60mm Aperture, Fully-Coated Glass Optics - Includes Bonus Phone Adapter, Backpack & More -
Amazon.com
48
Free shipping
$109.95
Celestron Travel Scope 60DX Portable Refractor Telescope - 60mm Aperture, Fully-Coated Glass Optics - Includes Bonus Phone Adapter, Backpack & More -
Amazon.com
48
$379.99
Explore Scientific Firstlight 102mm Doublet Refractor With EXOS EQ Nano Mount
High Point Scientific
$379.99
Explore Scientific Firstlight 102mm Doublet Refractor With EXOS EQ Nano Mount
High Point Scientific
$119.95
Celestron Travel Scope 70 mm Portable Refractor W/Tripod And Case
High Point Scientific
13K+
$119.95
Celestron Travel Scope 70 mm Portable Refractor W/Tripod And Case
High Point Scientific
13K+
$2,999.99
Explore Scientific ED127 Carbon Fiber F/7.5 Air-Spaced Triplet APO Refractor W/ Hoya FCD100 Optics, FCD100-127075-CF-01
BudgetBuys
$2,999.99
Explore Scientific ED127 Carbon Fiber F/7.5 Air-Spaced Triplet APO Refractor W/ Hoya FCD100 Optics, FCD100-127075-CF-01
BudgetBuys
$99.99
Telescopes For Adults Astronomy, 80mm Aperture 600mm Refractor Telescope For Kids & Beginners, Compact And Portable Travel Telescopio With Backpack
Amazon.com
28
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$99.99
Telescopes For Adults Astronomy, 80mm Aperture 600mm Refractor Telescope For Kids & Beginners, Compact And Portable Travel Telescopio With Backpack
Amazon.com
28
$52.24
ESSLNB Telescope For Adults, 70mm Aperture Refractor Telescopes (15X-180X) For Astronomy Beginners, Portable Travel Telescope With Phone Adapter &
Amazon.com
1K+
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ESSLNB Telescope For Adults, 70mm Aperture Refractor Telescopes (15X-180X) For Astronomy Beginners, Portable Travel Telescope With Phone Adapter &
Amazon.com
1K+
$699.99
Explore Scientific 102 mm Essential Air-Spaced ED Triplet Refractor
High Point Scientific
5
$699.99
Explore Scientific 102 mm Essential Air-Spaced ED Triplet Refractor
High Point Scientific
5
$605.00
Sharpstar 61EDPH III Triplet ED APO Refractor
High Point Scientific
$605.00
Sharpstar 61EDPH III Triplet ED APO Refractor
High Point Scientific
$1,299.99
Explore Scientific 102 mm F/7 FCD100 Air-Spaced Triplet Refractor - Carbon Fiber With 2.5" HEX Focuser
High Point Scientific
$1,299.99
Explore Scientific 102 mm F/7 FCD100 Air-Spaced Triplet Refractor - Carbon Fiber With 2.5" HEX Focuser
High Point Scientific
$599.99
$777.77
Svbony Sv550 80mm Telescopes Astronomical Professional Refractor For
eBay
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$599.99
$777.77
Svbony Sv550 80mm Telescopes Astronomical Professional Refractor For
eBay
Free shipping
$229.00
Celestron Starsense Explorer LT 80AZ Refractor Telescope
High Point Scientific
18
$229.00
Celestron Starsense Explorer LT 80AZ Refractor Telescope
High Point Scientific
18
$272.99
$359.95
Celestron - Astromaster 102AZ Telescope - Short-Tube Refractor Telescope - Fully-Coated Glass Optics - Adjustable-Height Tripod - Bonus Astronomy
Amazon.com
3K+
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$272.99
$359.95
Celestron - Astromaster 102AZ Telescope - Short-Tube Refractor Telescope - Fully-Coated Glass Optics - Adjustable-Height Tripod - Bonus Astronomy
Amazon.com
3K+
$3,598.00
William Optics FLT120 - 120 mm F/6.5 Fluorostar APO Refractor - Space Gray
High Point Scientific
$3,598.00
William Optics FLT120 - 120 mm F/6.5 Fluorostar APO Refractor - Space Gray
High Point Scientific
$5,250.00
Nidek Tonoref Ii - Auto Refractor & Tonometer - Specialty Medical Equipment - Angelus Medical
Angelus Medical and Optical
$5,250.00
Nidek Tonoref Ii - Auto Refractor & Tonometer - Specialty Medical Equipment - Angelus Medical
Angelus Medical and Optical
$2,309.00
Sharpstar Z4 Sextuplet Dual-ED APO Refractor
High Point Scientific
$2,309.00
Sharpstar Z4 Sextuplet Dual-ED APO Refractor
High Point Scientific
$1,099.99
Explore Scientific 127 mm Essential Air-Spaced ED Triplet Refractor
High Point Scientific
$1,099.99
Explore Scientific 127 mm Essential Air-Spaced ED Triplet Refractor
High Point Scientific
$339.95
Celestron 102mm Omni XLT Refractor OTA
High Point Scientific
1
$339.95
Celestron 102mm Omni XLT Refractor OTA
High Point Scientific
1
$282.22
$386.92
Atago 3810 PAL-1 Digital Hand Held Pocket Refractometer, 0.0 - 53.0% Brix Measurement Range
Amazon.com
81
Free shipping
27% off
$282.22
$386.92
Atago 3810 PAL-1 Digital Hand Held Pocket Refractometer, 0.0 - 53.0% Brix Measurement Range
Amazon.com
81
$598.00
William Optics Zenithstar 61mm APO Refractor - Gold
High Point Scientific
$598.00
William Optics Zenithstar 61mm APO Refractor - Gold
High Point Scientific
How to Calibrate and Use a Refractometer for Beginners
2:57
How to Calibrate and Use a Refractometer for Beginners
11.2K viewsFeb 29, 2024
YouTubeTRADESAFE
Potec PRK-5000 Auto-Refractor
4:53
Potec PRK-5000 Auto-Refractor
6.5K viewsAug 26, 2020
YouTubeJeff Soulliere
How to Use an Auto Refractometer – Step-by-Step Guide for Accurate Eye Measurements
6:33
How to Use an Auto Refractometer – Step-by-Step Guide for Accurate Eye Measurements
9.2K viewsFeb 22, 2025
YouTubeDR Vishnu Chandel
Topcon KR-800S Auto Kerato-Refractometer with Subjective and Glare Testing
1:49
Topcon KR-800S Auto Kerato-Refractometer with Subjective and Glare Testing
8.6K viewsSep 13, 2023
YouTubeTopcon Healthcare
Huvitz Auto Refractor HRK-8000A
3:01
Find in video from 00:15Auto Refractor and Wavefront Measurement
Huvitz Auto Refractor HRK-8000A
18.7K viewsFeb 5, 2016
YouTubeBEYE
Just Dropped! William Optics MiniCat 51 Refractor | High Point Scientific
3:02
Just Dropped! William Optics MiniCat 51 Refractor | High Point Scientific
9.7K viewsSep 10, 2024
YouTubeHigh Point Scientific
Should you get this TINY, ULTRA-FAST Refractor? Putting it to the test! Founder Optics Draco 62
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Should you get this TINY, ULTRA-FAST Refractor? Putting it to the test! Founder Optics Draco 62
34K viewsMar 8, 2024
YouTubeCuiv, The Lazy Geek
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William Optics WIFD RedCat 91 APO Refractor | Full Review
6.4K viewsMar 7, 2025
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Topcon KR-800 Autorefractometer
24.1K viewsJan 26, 2022
YouTubeNext Vision Instruments
Introducing the RK600! 🌟 This lightweight, compact auto refractor/keratometer is perfect for quick and accurate measurements! 💯💪 Its full color LCD screen, icon-based operating system, and familiar joystick controls make it easy for any staff member to use. Plus, it features a thermal printer for a hard copy results printout. 📝🖨️ #RK600 #AutoRefractor #Keratometer #PreciseMeasurements #AdvancedTechnology #Innovation #EyeHealth
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High-Resolution Planetary Imaging With A REFRACTOR!
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SvBony Sv503 80mm Refractor : Full Review!
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This BUDGET f4.5 refractor TROUNCES the RedCat 51! SVBony SV555 FULL REVIEW!
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Reichert® Phoroptor® VRx Digital Refraction System. The most advanced Phoroptor® ever.
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Full Review - Svbony SV503 102mm Doublet Refractor
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Askar FRA500 Quintuplet APO Refractor | Full Review
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EyeNetra Mobile Refraction Kit Overview: Autorefractor, Autolensometer, Phoropter
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Shop refractor machine

Sponsored
About our ads
$59.99
Aicevoos Digital Sugar Brix Refractometer Brix Meter Automatic Temperature Compensation Range 0-35%±0.2% Precision, Perfect For Fruits, Juices,
Amazon.com
135
Free shipping
$59.99
Aicevoos Digital Sugar Brix Refractometer Brix Meter Automatic Temperature Compensation Range 0-35%±0.2% Precision, Perfect For Fruits, Juices,
Amazon.com
135
$2,499.00
AISITESY Fully Automatic Refractometer Keratometer And Optometry Optical Equipment Refractor For Optometrist Clinics And Ophthalmologists (White)
Amazon.com
Free shipping
$2,499.00
AISITESY Fully Automatic Refractometer Keratometer And Optometry Optical Equipment Refractor For Optometrist Clinics And Ophthalmologists (White)
Amazon.com
Free shipping
$359.99
$399.99
SVBONY SV503 Refractor Telescope With Built-In Field Flattener, 70mm F6.78 Extra Low Dispersion Achromatic Refractor OTA, Telescope For Adults, For
Amazon.com
179
Free shipping
10% off
$359.99
$399.99
SVBONY SV503 Refractor Telescope With Built-In Field Flattener, 70mm F6.78 Extra Low Dispersion Achromatic Refractor OTA, Telescope For Adults, For
Amazon.com
179
$239.99
Hawkko Telescope, 90mm Aperture 900mm Astronomical Refractor Telescope For Adults High Powered - Multi-Coated Professional Telescopes For Astronomy
Amazon.com
255
Free shipping
$239.99
Hawkko Telescope, 90mm Aperture 900mm Astronomical Refractor Telescope For Adults High Powered - Multi-Coated Professional Telescopes For Astronomy
Amazon.com
255
$1,821.16
Vee Gee Refractometer: Brix/Refractive Index, +/-0.0003 RI/+/-0.15 Brix, Manual, Digital, +/-1°C Model: C10
Grainger
$1,821.16
Vee Gee Refractometer: Brix/Refractive Index, +/-0.0003 RI/+/-0.15 Brix, Manual, Digital, +/-1°C Model: C10
Grainger
$429.00
Celestron Starsense Explorer DX 102AZ Refractor Telescope
High Point Scientific
1K+
$429.00
Celestron Starsense Explorer DX 102AZ Refractor Telescope
High Point Scientific
1K+
$2,650.00
Fa-6100A Auto Refractor Refractometer Optometry Machine 5.7'' Lcd
eBay
Free shipping
$2,650.00
Fa-6100A Auto Refractor Refractometer Optometry Machine 5.7'' Lcd
eBay
Free shipping
$69.99
NEYLANG Telescope, 70mm Aperture Portable Refractor Telescopes For Astronomy Beginners, 400mm Professional Travel Telescope With Carry Bag, White
Amazon.com
4
Free shipping
$69.99
NEYLANG Telescope, 70mm Aperture Portable Refractor Telescopes For Astronomy Beginners, 400mm Professional Travel Telescope With Carry Bag, White
Amazon.com
4
$79.95
Celestron Travel Scope 50 Portable Refractor Telescope - 50mm Aperture, Fully-Coated Glass Optics - Includes Tripod, Backpack & Software - Ideal For
Amazon.com
12K+
Free shipping
$79.95
Celestron Travel Scope 50 Portable Refractor Telescope - 50mm Aperture, Fully-Coated Glass Optics - Includes Tripod, Backpack & Software - Ideal For
Amazon.com
12K+
$329.99
$379.95
Celestron Inspire 100AZ Refractor Telescope With Built-In Smartphone Adapter, Blue
Amazon.com
213
Free shipping
13% off
$329.99
$379.95
Celestron Inspire 100AZ Refractor Telescope With Built-In Smartphone Adapter, Blue
Amazon.com
213
$149.95
Celestron Travel Scope 80 Alt-Az Refractor With Smartphone Adapter
High Point Scientific
1K+
$149.95
Celestron Travel Scope 80 Alt-Az Refractor With Smartphone Adapter
High Point Scientific
1K+
$2,100.00
VV LIINNCXM Auto Refractometer Optical Instruments Optometrist Clinic Ophthalmologist Autorefractor With Keratometer Comprehensive Optometry New ARK-
Amazon.com
Free shipping
$2,100.00
VV LIINNCXM Auto Refractometer Optical Instruments Optometrist Clinic Ophthalmologist Autorefractor With Keratometer Comprehensive Optometry New ARK-
Amazon.com
Free shipping
$449.99
Explore Scientific 127 mm Achromatic Refractor OTA With Accessories
High Point Scientific
$449.99
Explore Scientific 127 mm Achromatic Refractor OTA With Accessories
High Point Scientific
$169.95
Professional Astronomical 150X Magnification Refracting Telescope
Aroflit
$169.95
Professional Astronomical 150X Magnification Refracting Telescope
Aroflit
$699.99
Explore Scientific 80 mm F/6 FCD100 Air-Spaced Triplet Refractor With 2.5" HEX Focuser
High Point Scientific
$699.99
Explore Scientific 80 mm F/6 FCD100 Air-Spaced Triplet Refractor With 2.5" HEX Focuser
High Point Scientific
$1,199.99
Explore Scientific 102 mm F/7 FCD100 Air-Spaced Triplet Refractor With 2.5" HEX Focuser
High Point Scientific
1
$1,199.99
Explore Scientific 102 mm F/7 FCD100 Air-Spaced Triplet Refractor With 2.5" HEX Focuser
High Point Scientific
1
$839.99
Explore Scientific Firstlight ar102mm Tube Refractor With Twi 1 White FL-AR1021000MAZ01
Optics Planet
$839.99
Explore Scientific Firstlight ar102mm Tube Refractor With Twi 1 White FL-AR1021000MAZ01
Optics Planet
$109.95
Celestron Travel Scope 60DX Portable Refractor Telescope - 60mm Aperture, Fully-Coated Glass Optics - Includes Bonus Phone Adapter, Backpack & More -
Amazon.com
48
Free shipping
$109.95
Celestron Travel Scope 60DX Portable Refractor Telescope - 60mm Aperture, Fully-Coated Glass Optics - Includes Bonus Phone Adapter, Backpack & More -
Amazon.com
48