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rating alitools
High (87–100%)
Middle (50–86%)
Low (0–49%)
categories
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Tools
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1833 products
Teaching spectral decomposition Precision component Detect Ultra Precision Nano Engraving PET Trasmission Diffraction Grating
12.59
−
$
3
orders
/
3
review
Middle,
78
%
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
%
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,
93
%
1PC Plastic Acrylic Parabolic Mirror Concave Minor Focus UV Protection Sturdy Durable Refrective
15.75
−
48.95
$
3
orders
/
1
review
Middle,
73
%
PD Adjustable Trial Frame Versatile Trial Frame Universal Trial Frame
18.00
−
$
3
orders
/
×
review
Low,
39
%
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
%
2PC 36x38mm Ultra Precision Nano Engraving PET Trasmission Grating F Teaching spectral decomposition Precision component Detect
20.00
−
$
3
orders
/
2
review
Middle,
73
%
1PCS Two Layer Collimating Coated Glass Lens for 405nm/455nm Violet/Blue Laser Diode Hot Sale
7.66
−
$
3
orders
/
2
review
Middle,
86
%
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
High,
88
%
Superfine China Znse CO2 focus lens Dia. 25 mm FL38.1 50.8 63.5 76.2 101.6 127mm for laser cutting machine
33.07
−
$
3
orders
/
2
review
Middle,
73
%
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,
74
%
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,
95
%
6 PCS 22mm Defective RGB X-Cube Prism Cross Dichroic Physics Teaching DIY Decoration
8.20
−
$
3
orders
/
1
review
Middle,
67
%
#TBH-30 High quality LED Optical Lens, 8 degree, PMMA materials, Lens Size: 30X19.6mm, Clean surface
16.60
−
$
3
orders
/
0
review
Low,
33
%
50mm Transparent High Power LED Lens Reflector Collimator 5-90 Degree for 10w/20w/30w/50w/60w/80w/100w LED Light
2.50
−
16.00
$
3
orders
/
×
review
High,
93
%
10PCS 21.78mm IR LED Lens CREE XPE2XPG2 XML5050 XHP50/70 7070 1W 3W 5W 3030 3535 LED Lens Optical Epistar Semileds for spotlight
4.47
−
$
3
orders
/
3
review
High,
93
%
50pcs 13mm Lens 15 30 45 60 90 100 Degree 13mm Mini IR LED PCB Angle Lens for 1W 3W 5W LED Lamp Convex Lenses
3.46
−
$
3
orders
/
7
review
High,
91
%
30pcs 13mm CREE LED Lens 10 30 45 60 90 Degree XPE XPE2 XPG XPG2 XTE 3535 3030 Emitter Plano Reflector Collimator With Holder
4.24
−
$
3
orders
/
×
review
High,
95
%
1PCS USA Focus Lens Dia 12-20mm FL 38.1-101.6mm + 3PCS Mo Mirror Dia 20mm Thickness 3mm For CO2 Laser Engraving Cutting Machine
22.01
−
29.27
$
3
orders
/
13
review
Middle,
82
%
High Precision Ball Lens 8-25mm H-K9L Optical Glass Lens Ball led co2 laser sensor Fiber Optic Endoscope Objective Lenses
2.53
−
4.69
$
3
orders
/
4
review
Low,
31
%
#RTHG-20 Waterproof Led Lens, Suitable for: Use Imitating lumen , Cree , Degree: 10X90 , Size: 20X20X13.9mm, Stripe surface
13.60
−
$
3
orders
/
1
review
Low,
33
%
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,
92
%
Concave Mirror HD DIY Homemade Schlieren Optical Photography Experimental Astronomical Telescope
32.46
−
121.02
$
3
orders
/
2
review
High,
92
%
2pcs 70x28x30mm 70*28*30mm U shape 180 degrees window light lens line shine lens LED car spotlight lens
5.30
−
$
3
orders
/
1
review
Low,
10
%
LED Lens Reflector Collimator For 5050 SMD 120 140 Degree 8x3mm Convex Optical Lens Reflector Collimator
0.79
−
$
3
orders
/
1
review
High,
92
%
A4 fresnel lens PVC magnifying 260*180mm for reading magnifying glass and outdoor make fire
2.88
−
$
3
orders
/
×
review
Low,
10
%
Lens diameter 17 mm with edge thickness of 3.8 mm optical glass double cemented lens for Telescope
8.69
−
$
3
orders
/
1
review
Middle,
85
%
LED cob high-power reflector cup bowl diameter 159MM high 85MM cone lampshade condensing aluminum light cup
7.79
−
$
3
orders
/
2
review
High,
92
%
DIY Self-Made Large Aperture Astronomical Binoculars Lens 114mm and 150 Reflector Glass Lens Mirror
32.39
−
107.26
$
3
orders
/
1
review
Middle,
75
%
50set/lot 5 8 10 15 25 30 45 60 90 120 Degrees LED Lens 20mm PMMA Lens + Bracket For DIY 1W 3W 5W High Power LED Chip COB
8.29
−
9.16
$
3
orders
/
1
review
High,
87
%
LED optical convex lens Plano convex LED lens Acrylic Lens for Zoom LED Flashlight Bike head lamp spotlight
1.64
−
5.34
$
3
orders
/
0
review
High,
92
%
Diameter 7.6 MM Double Convex Lens Makeup Glass Mirror Lens Factory Wholesale Projection Magnifying Glass Lens
0.85
−
$
3
orders
/
1
review
Middle,
85
%
Diffraction grating single slit grate 10um Optical slit Micron level Spectrometer slit Optical research
45.69
−
$
3
orders
/
×
review
Low,
39
%
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