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rating alitools
High (87–100%)
Middle (50–86%)
Low (0–49%)
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Tools
Measurement & Analysis Instruments
Optical Instruments
Lenses
By orders
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676 products
Optical Glass K9 Optics Double Convex Mirror 30mm Diameter 100mm Focal Length Projector Lenses Physics Experiment Teaching Tool
1.02
−
$
3
orders
/
2
review
High,
89
%
HD 1400X Zoom Stereo Microscope Camera Coaxial Light Monocular C-mount Zoom Lens 40mm Ring Zoon C-Mount Lens Glass Lens
7 863.98
−
8 144.93
$
3
orders
/
×
review
Middle,
84
%
100mm Transparent High Power Led Lens Reflector Collimator 5-90 Degree for 20w 30w 50w 100w LED Light Lamp
8.39
−
$
3
orders
/
×
review
Middle,
83
%
CREE LED Lens ,T5/T6/U2 Lenses Diameter 20mm 15,20,30 x 60 Degree Stripe 5050 lens, XM-L lens
12.25
−
$
3
orders
/
×
review
Low,
31
%
Free Shipping 1064nm Fiber YAG Galvo F-theta Scan Lens System yag laser engraving f-theta yag Flat Scanning Laser Lens
90.00
−
150.00
$
3
orders
/
3
review
Low,
1
%
100pcs/lot,LED spotlight lens,20mm 5 degree,ceiling light lens,flat transparent lens,100% brand new and high quality free ship
12.15
−
$
3
orders
/
2
review
High,
93
%
20pcs 23.5mm Black 25 30 45 60 degree LED LENS/Reflector Collimator for CREE XP-E XPE /XP-G XPG / XT-E XTE LED Light
4.50
−
$
3
orders
/
2
review
High,
94
%
6 PCS 22mm Defective RGB X-Cube Prism Cross Dichroic Physics Teaching DIY Decoration
8.20
−
$
3
orders
/
1
review
Middle,
72
%
#TBH-30 High quality LED Optical Lens, 8 degree, PMMA materials, Lens Size: 30X19.6mm, Clean surface
16.60
−
$
3
orders
/
0
review
Low,
40
%
1PC Plastic Acrylic Parabolic Mirror Concave Minor Focus UV Protection Sturdy Durable Refrective
15.75
−
48.95
$
3
orders
/
1
review
×%
2PC 36x38mm Ultra Precision Nano Engraving PET Trasmission Grating F Teaching spectral decomposition Precision component Detect
20.00
−
$
3
orders
/
2
review
×%
1PCS Two Layer Collimating Coated Glass Lens for 405nm/455nm Violet/Blue Laser Diode Hot Sale
7.66
−
$
3
orders
/
2
review
Middle,
83
%
PD Adjustable Trial Frame Versatile Trial Frame Universal Trial Frame
18.00
−
$
3
orders
/
×
review
Low,
39
%
Rainbow Starlight Drawing Filter 7782mm Widescreen Movie Special Effects Horizontal Spot Filter Shooting Night Scenes
35.43
−
$
2
orders
/
1
review
High,
89
%
Drop shipping PIR Optical Fresnel lens 8308-7 for Human Body Pyroelectric infrared Sensing Sensor
5.99
−
$
2
orders
/
1
review
Low,
18
%
CO2 USA CVD ZnSe Focus Lens Dia.18 19.05 20mm 3Pcs Si or Mo Reflect Mirror for Co2 Laser Engraving and Cutting Machine
27.17
−
44.57
$
2
orders
/
×
review
Middle,
86
%
K9 Optical Glass Hemisphere Plano Convex Lens With Antireflection Film LED Condensing Lens
4.03
−
6.46
$
2
orders
/
×
review
High,
91
%
18mm 20mm 21mm 23mm 24mm 29mm 33 36mm Condensing concave mirror PMMA lens COB LED flashlight condenser Flat convex concave lens
0.81
−
1.10
$
2
orders
/
1
review
Middle,
81
%
Jindu Astronomical Telescope DIY Accessories 60 Series Refracted HD Achromatic Objective Lens Student Introduction
24.20
−
34.76
$
2
orders
/
×
review
Middle,
69
%
Tonda Refractive Astronomical Telescope Objective D154/750/1200/1500/1800/2250
2 750.48
−
25 357.16
$
2
orders
/
2
review
Middle,
73
%
Newton Reflection Mirror Diameter 203mm focal length 800mm, Astronomical Telescope DIY Primary With Secondary Mirror
32.63
−
125.15
$
2
orders
/
3
review
Middle,
69
%
D305F1200/1500mm Newtonian Reflection Primary Mirror Hand-ground high-precision paraboloid Astronomical Telescope morrors DIY
1 105.01
−
1 211.83
$
2
orders
/
1
review
High,
89
%
Refractive astronomical telescope objective double separation achromatic lens D104F600
42.00
−
203.00
$
2
orders
/
×
review
High,
89
%
50mm Optical Glass Focal Length 50mm Double Convex Condensing Glass Lens Optics Biconvex Lens Magnifying Glass Lenses 1PC
15.99
−
46.99
$
2
orders
/
2
review
High,
91
%
Newtonian Reflection primary mirror and secondary mirror Astronomical Telescope With Scondary Mirror Focusing Eyepiece Fitting
13.35
−
45.15
$
2
orders
/
×
review
Low,
31
%
Beam Splitter /Non-polarizing Cube Beam Splitter Prism (NPBS) N-BK7 Optical Glass for Precision optical instrument
17.32
−
55.49
$
2
orders
/
×
review
Low,
31
%
1Set 44mm Glass LED Lens 60 Degree + 50mm Round Hole Reflector Collimator + Fixed Bracket for 10W Round Shape High Power COB LED
2.55
−
$
2
orders
/
×
review
High,
93
%
80mm Telescopes achromatic Objective Lens Double Glued D80F500/600/800/900 holder DIY Accessories
27.61
−
38.99
$
2
orders
/
×
review
High,
89
%
10pcs 13mm CREE LED Lens 10 30 45 60 90 Degree XPE XPE2 XPG XPG2 XTE Epiled/Semiled 3535 3030 Emitter Plano Reflector Collimator
1.87
−
$
3
orders
/
0
review
Middle,
85
%
Newton Reflection Mirror Diameter 203mm focal length 800mm, Astronomical Telescope DIY Primary With Secondary Mirror
23.32
−
153.30
$
2
orders
/
1
review
High,
89
%
COB reflector cup Φ110mm 60degree Integrated Light Source Reflector High Power COB LED Reflector
2.60
−
$
2
orders
/
×
review
Low,
33
%
#PHCE-4802 High quality Led Lens, Suitable for: Cree Xpe 3535, With feets, 2 Degree, Size: 48X28mm, Clean surface, PMMA
14.40
−
$
2
orders
/
×
review
Low,
40
%
1 Set Glass Led Lens Reflector 20W-120W LED 44mm Lens+Reflector Collimator+Fixed Bracket /50pcs LED Lens Reflector Collimator
1.67
−
2.94
$
2
orders
/
×
review
Middle,
85
%
1.25" Laser Collimator 2" Sleeve Adapter 7 Bright Level For Newtonian Reflector Telescope
20.75
−
$
2
orders
/
×
review
Middle,
75
%
0.7X~4.5X Magnification 25mm For HDMI USB Industry Video Microscope Camera Adjustable 180X 120X 300X 200X 130X Zoom C-mount Lens
18.90
−
52.50
$
2
orders
/
×
review
Middle,
82
%
LED Lens Reflector For LED COB Lamps PC lens+Reflector+Silicone Ring Cover shade
0.78
−
$
2
orders
/
2
review
Middle,
77
%
13mm 1W 3W 5W CREE LED Lens 10 30 45 60 90 Degree SMD 3535 3030 XPE XPE2 XPG XPG2 XTE Plano Reflector Collimator With Holder
8.25
−
112.50
$
2
orders
/
1
review
High,
93
%
100pcs 13mm CREE LED Lens 30 Degree Optical PMMA Lenses Holder SMD 5050 XML XML2 XML-L2 Plano Reflector Collimator
7.98
−
$
2
orders
/
×
review
High,
93
%
Drop shipping 3535 XML 4*130 degree PMMA Transparent Window lamp Lens
2.90
−
$
2
orders
/
×
review
Low,
18
%
50pcs 13.5mm CREE LED Lens 30 60 Degree Optical PMMA Lenses Holder SMD 5050 XML T6 XML2 XML-L2 XHP50 Plano Reflector Collimator
4.59
−
$
2
orders
/
1
review
High,
94
%
1
2
3
4
5
6
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9
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