10x40 military binocular sj-392 binocular 1. specification:10x40 2. magnification:10x 3. abjective diameter:40mm 4. Color :black 5. field angle:8 degree(at1000m):141m 7. field of vi
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laser rangefinder 6x25 range finder sj196 laser rangefinder 1 Measurement range:15-800m2 Measurement pattern: semiconductor laser measurement (harmless for eyes)3 Error in measurement:+ 1m +0
4x30 toy binoculars, children's binoculars sj1 Features: 1. specification:4x30 2. magnification:4x 3. objective diameter:30mm 4. angular field of view:11 degrees 5. field of view(ft 1000yds/m at 1
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monocular telescope binoculars 8x20 sj166 SIZE:14X 2.4CM (DRAW BACK), 23.2X 2.4CM (DRAW OUT) MATERIAL: TUBE: ABS, EYE END: RUBBER, LENSES: PM
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Synscan Tour A revolutionary new hand control!Features1) Celestial object orientation The SynScan Tour will guide you to find the star or celestial object, if yo
BK 150750 EQ5 TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK P2001 EQ5 TELESCOPE Advantages of Reflectors:Reasonably compact and portable up to focal lengths of 1,000mm;Free of false color;Excellent for viewing nebulae, remote gal
BK DOB 12" TELESCOPE The Sky-Watcher Dobsonians’ patented Tension Control Handle (US Patent No. 6,940,642) allows users to add or reduce tension, thereby increasing
BK 767 AZGT TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK 1025 AZGT TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK MAK127 AZGT Advantages of Maksutov-Cassegrain:Very compact and portable;Short physical length telescopes with a long focal length good for planetary viewing;Shar
BK MAK90 AZGT TELESCOPE Advantages of Maksutov-Cassegrain:Very compact and portable;Short physical length telescopes with a long focal length good for planetary viewing;Shar
BK P130650 AZGT TELESCOPE Advantages of Reflectors:Reasonably compact and portable up to focal lengths of 1,000mm;Free of false color;Excellent for viewing nebulae, remote gal
BK 1206 AZ4 TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK 1021 EQ3 (Steel Tripod) TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK 1025 EQ3 (Steel Tripod) TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK MAK127 EQ3 (Steel Tripod) TELESCOPE Advantages of Maksutov-Cassegrain:Very compact and portable;Short physical length telescopes with a long focal length good for planetary viewing;Shar
BK P150750 EQ3 (Steel Tripod) TELESCOPE Advantages of Reflectors:Reasonably compact and portable up to focal lengths of 1,000mm;Free of false color;Excellent for viewing nebulae, remote gal
BK MAK102 EQ2 MAKSUTOV CASSEGRAIN TELESCOPE Advantages of Maksutov-Cassegrain:Very compact and portable;Short physical length telescopes with a long focal length good for planetary viewing;Shar
BK P1145 EQ2 TELESCOPE Advantages of Reflectors:Reasonably compact and portable up to focal lengths of 1,000mm;Free of false color;Excellent for viewing nebulae, remote gal
BK 909 EQ2 TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK MAK90 EQ1 TELESCOPE Advantages of Maksutov-Cassegrain:Very compact and portable;Short physical length telescopes with a long focal length good for planetary viewing;Shar
BK 709 EQ1 TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK P1145 EQ1 TELESCOPE Advantages of Reflectors:Reasonably compact and portable up to focal lengths of 1,000mm; Free of false color;Excellent for viewing nebulae, remote ga
BK 1025 AZ3 TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don't require routine collimation;F
BK 1021 AZ3 TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK 767 AZ1 TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK 15012 OTA TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don't require routine collimation;F
BK 1201 OTA TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
BK P150750 OTA TELESCOPE Advantages of Reflectors:Reasonably compact and portable up to focal lengths of 1,000mm;Free of false color;Excellent for viewing nebulae, remote gal
BK MAK90 OTA TELESCOPE Maksutov-Cassegrains are similar to the Schmidt-Cassegrains. They also have a corrector plate to remove spherical aberration, but they use a thick, m
BK MAK80 OTA TELESCOPE Maksutov-Cassegrains are similar to the Schmidt-Cassegrains. They also have a corrector plate to remove spherical aberration, but they use a thick, m
BK P1145 OTA TELESCOPE Advantages of Reflectors:Reasonably compact and portable up to focal lengths of 1,000mm; Free of false color;Excellent for viewing nebulae, remote ga
BK 1021 OTA TELESCOPE Advantages of Refractors:Enclosed optical tube protects optics;Durable and virtually maintenance-free for decades;Don’t require routine collima
Microscope camera Microscope camera Color CMOS Image Sensor High Speed DSP (CPU) Micro-Scope Lens (25* & 400*) Ressolution up to 2560*1920 (5M) 8 LED Light Source
Salinity Refractometer sanility refractometer: Easy to focus and calibrate Accurate testing results guaranteed Made with the highest and finest quality of aluminum & ru
salinity refractometer salinityrefratometer: 1.Model: RHS-10 RHS-28 2.It is designed for testing the concentration of salt water and brine and used for quality control in r
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hand-held oechsle refractometer hand-held oechsle refractometer : Oechsle (°Oe) refractometer: Cowberry is a wild plant growing in Europe. Fruit juice brewed by cowberry fruit i
hand-held alcohol and grape refractometer Hand-hled alcohol and grape refractometer:It is developed for working with alcohol or sugar related wines and concentration of alcohol and developed
hand-held antifreeze refractometer hand-held antifreeze refractometer: It is designed for testing for concentration of the battery fluids, antifreeze liquid and cleaning fluids (CF). W
