Focal Length--我搜100

👍: 100.0%

Large Optical PMMA Plastic Solar Fresnel Lens Focal Length Big Solar Concentrator Magnifying Glass Lenses Make Fire Tools

$10.18

11.84

👍: 0.0%

1Pice Supports Customized Desktop Magnifying Glass Lens Magnification 5X Diameter 110mm Focal Length 200mm

$13.83

15.37

👍: 100.0%

Top! 35mm Long Focal Length Lens 700TVL CCD Camera 1000TVL CCTV Security Box Color Mini Camera +RCA Adapter Car Overtaking Camer

$21.86

43.72

👍: 98.7%

Telescope Eyepiece 1.25 Inch Fully Coated Glass with M28.6*0.6mm Filter Threads - 4mm/ 10mm/ 20mm Focal Length Can Choose

$8.97

17.25

👍: 98.3%

EYSDON 5X Barlow Lens Metal Fully Coated 5 Times Focal Length Extender for 1.25" Port Astronomical Telescopes With M42 Threads

$8.42

9.36

👍: 100.0%

HUNST CO2 Laser Head Lens Tube Air Nozzle For Laser Output Lens Diameter 20mm Focal Length 50.8/63.5mm Engraving Cutting Machine

$9.8

10.43

👍: 100.0%

1064nm F-theta Scan Lens Field Lens Focal Length 100-420mm Scan Field 50-300mm for YAG Fiber Laser Making Machine Galvo System

$59.4

110.00

👍: 0.0%

FONLAND CO2 Laser Head For K40 Series Laser Engraving Cutting Machine Lens Dia 12/15/18mm Focal Length 50.8mm Mirror 20mm

$9.73

15.20

👍: 100.0%

450nm 80W Laser Module Fixed Focal Length High Speed Laser Engraver CNC Router Engraving Machine DIY Craft Wood Leather Cutting

$34.14

37.93

👍: 95.0%

32mm 1.25" Finderscope Focuser Guide Scope 125mm Focal Length Finderscope with Bracket for Astronomical

$28.71

39.88

👍: 100.0%

F35mm Diameter10mm High QualityLaser Focusing Lens Focal LengthThickness 2.3mm DIYOptical CondenserOpti Spherical Glass Lens1PC

$4.0

4.44

👍: 96.7%

6 8 10 12 13 14 15 16 20 25 30 40 mm Mini Optical Glass Focal Length LED Optics Plano Convex Condenser Glass LED Lens

$1.56

1.73

👍: 100.0%

30x30 Small Optical PMMA Plastic Fresnel Lens Solar Focal Length 28mm DIY Projector Lens Plane Magnifier,solar Concentrator

$1.7

2.27

👍: 100.0%

Geevorks 450nm 80/40/30W Laser Module Fixed Focal Length Laser Engraving Head High Speed 3D Printer CNC Router Laser Module

$103.34

322.94

👍: 100.0%

3.2mm Camera Lens Professional 3.2mm Focal Length Camera Lens 12MP CS Mount Security Surveillance CCTV Lens Security Camera Lens

$31.58

101.87

👍: 0.0%

1pc 30.2mm Optical Glass Focal Length 130mm Optics Glass Double Convex Achromatic Lens For Astronomic Telescope Objective

$9.78

10.87

👍: 0.0%

2pcs 100x100mm Optical PMMA Plastic Fresnel Lens Solar condenser LED Lens Focal Length 40mm

$5.75

8.98

👍: 86.7%

Diameter 6mm High Quality Laser Focus Lens F10 Focal Length Condenser Lens Cutting Machine Aspheric Glass Laser Module Lens

$1.75

2.06

👍: 100.0%

EYSDON 20mm Focal Length Extension Tube M48 Caliber Astronomical Telescope T Extending Ring for M48*0.75 Screw Mount

$4.2

4.67

👍: 100.0%

Air Nozzle Laser Output Lens Dia 20mm Focal Length 50.8 63.5 101mm for Laser Head CO2 Laser Engraving Cutting Machine Engraver

$0.95

1.48

👍: 60.0%

Myopia Presbyopia Glasses Adjustable Prescription Universal Focal Length Correction Trendy Fashion Brand Design for Women Men

$2.66

3.37

👍: 100.0%

1PC Fiber Optic Amplifier Sensor Focusing Lens Optical Condensing Lenses for M3 M4 M6 Fiber Sensor Focal Length 7mm ~ 50mm

$8.76

12.88

👍: 0.0%

2PCS 30-100mm Optical Glass Focal Length -100mm Double Concave Lens DIY Telescope Biconcave Lens Meniscus Lentes

$6.01

6.99

👍: 0.0%

25.5x12.5mm Schistose Type HD PE Human Body Infrared Sensor Fresnel Lens PIR Lens 11m Sensing Distance Focal Length 11mm

$0.86

7.17

👍: 100.0%

D203F750 Telescope Primary Mirror Objective Lens Group with Secondary Mirror D=203mm Focal Length 750mm Newtonian Reflect

$50.24

89.71

👍: 100.0%

Precision Optical glass double glued lens diameter 17 mm focal length 51.98 mm positive doublet lens

$7.37

8.10

👍: 100.0%

Optical PIR Human Body Infrared Induction Fresnel Lens Focal Length Far Sensing Distance 1PCS

$1.46

1.62

👍: 86.7%

Human Body Infrared Sensor Fresnel Lens Focal Length 6mm PIR Lens PIR Thermal Release Lenses Sensing Distance 6-8m

$0.99

1.16

👍: 0.0%

Aspheric collimating focusing lens with a diameter of 6 mm and a focal length of 12 mm with a center thickness of 2.36 mm

$5.1

5.60

👍: 0.0%

1pc Focus Lens Dia.12/18mm Focal Length 50.8mm+3Pcs MO Mirror 20x3mm 3020 3040 K40 Co2 40W Tube Laser Engraving Cutting Machine

$19.59

27.99

👍: 100.0%

Professional 3.2mm Focal Length Camera Lens 12MP CS Mount Security Surveillance

$34.09

53.27

👍: 100.0%

OPEX F-theta Lens 1064nm M85 Thread Scan Field 70*70-300*300 Focal Length 100-420mm 1064nm YAG Optical Fiber Laser Marking Part

$53.55

85.00

👍: 60.0%

HD Adjustable Glasses Focus Adjustable Eyeglasses -3 To +6 Diopters Glasses Focal Length

$3.69

3.80

👍: 100.0%

CO2 Laser Head for K40 Series Laser Engraving Cutiing Machine Lens Dia 12mm Focal Length 50.8mm Mirror 20mm Co2 Laser Engraver

$12.72

18.99

👍: 100.0%

Fresnel len D200mm F-420mm Reducing mirror Reduced imaging Large angle of view Negative focal length D200F-240mm Customizable

$20.84

41.68

👍: 100.0%

Laser Module 10W Optical Power 450nm Engraving Laser Head Fixed Focal Length High Precision Engraving for CNC Laser Engraver

$75.0

150.00

👍: 97.2%

EYSDON 5X Barlow Lens 1.25" Metal Fully Coated Focal Length Extender For Astronomical Telescopes With M42 Camera T2 Threads

$8.95

17.21

👍: 60.0%

Quartz optical plano convex lens D12.7mm focal length F25/35/50/75/100/200/300/500/1000/5600

$17.88

24.49

👍: 0.0%

Double Cemented Lens, Achromatic lens, diameter 12.7MM, focal length 50MM, visible light antireflection

$20.87

21.97

👍: 0.0%

60mm Guide Scope Magnifier Finderscope for Astronomical Telescope 240mm Focal Length F4 Ratio Guidescope with Helical Focuser

$54.6

70.00

👍: 100.0%

Diameter 4.5mm aspherical coating laser focus lens collimating optical glass lens short focal length 2.75 mm

$21.9

24.33

👍: 0.0%

Fresnel lens 183x110mm F120mm 8.4" 3 focal lengths spotlight amplify DIY projector Solar energy Field ignition Customizable

$10.84

21.68

👍: 100.0%

445nm 5W Engraving Laser Module Marking Laser Engraving Module Focal Length Adjustable 40*40*85mm

$70.68

88.35

👍: 80.0%

5-50mm 25mm 35mm Long Focal Length Lens IMX335 2000TVL 700TVL Sony CCD Effio-V CCTV Security Mini Car Overtaking Camera OSD Menu

$28.91

38.55

👍: 0.0%

【EU Stock】F-theta Lens 1064nm Focus Lens Laser Focal length 63-420mm Scan Field 70x70-300x300 for Fiber Laser Galvo System

$43.5

58.00

👍: 100.0%

Godox Lux Senior Retro Camera Flash 6000K 1/1-1/64 Flash Power 28mm Focal Length Replacement for Canon Nikon Sony Cameras

$147.6

180.00

👍: 100.0%

Go! 35mm Long Focal Length Lens 700TVL CCD Camera 1000TVL CCTV Security Box Color Mini Camera +RCA Adapter Car Overtaking Camer

$22.05

44.10

👍: 100.0%

QILENS M12 Mount FL300mm Large Focal Length Lens for Telescope Bar Code Recognition Image Processing Remote Surveillance

$39.99

44.43

👍: 100.0%

5.0Megapixel C Mount 25 mm FA 1 " ITS Fixed Focal Length Lenses F1.6 Industrial Camera Machine Vision CCTV 5MP Manual Focus Lens

$82.74

118.20

👍: 100.0%

Top 35mm Long Focal Length Lens 700TVL CCD Camera 1000TVL CCTV Security Box Color Mini Camera +RCA Adapter Car Overtaking Camer

$21.8

43.60

👍: 100.0%

1 / 4 camera chip, focal length 1.0 mm, ultra wide angle lens, high definition small lens, handheld device lens, M7 lens

$2.45

2.72

👍: 90.0%

50mm Optical Glass Focal Length 50mm Double Convex Condensing Glass Lens Optics Biconvex Lens Magnifying Glass Lenses 1PC

$2.44

2.71

👍: 0.0%

NEJE 3 Max A40640 CNC Cutter Machine Laser Engraving Machine DIY Cutting Tools With Adjustable Focal Length 12W+ Laser Module

$540.21

1080.42

👍: 100.0%

1pc Glass Optical Test Concave Lens 30mm Diameter -60mm Focal Length Glass Optical Instrument Triple Prism For Sensors

$2.74

3.04

👍: 100.0%

Fresnel lens 200x200mm F200mm 11" 4 focal lengths Solar energy Stage lighting 3X magnification Spotlight optical Customizable

$16.5

33.00

👍: 100.0%

Svbony SV501P astronomical telescope for beginners and children, 400mm focal length, for observing land and celestial

$159.99

213.32

👍: 100.0%

2PCS PMMA Plano convex lens Dia 42mm Focal length 75mm 4x magnifying glass magnifier lens

$1.09

1.82

$Diameter 83mm Focal Length 500mm Glued Green Film Astronomical Telescope DIY Accessories Refraction Objective Lens HD Achromatic$

👍: 100.0%

Diameter 83mm Focal Length 500mm Glued Green Film Astronomical Telescope DIY Accessories Refraction Objective Lens HD Achromatic

$22.55

55.00

👍: 100.0%

New 35mm Long Focal Length Lens 700TVL CCD Camera 1000TVL CCTV Security Box Color Mini Camera +RCA Adapter Car Overtaking Camer

$21.89

43.78

👍: 0.0%

CO2 Laser Head 40W 50W K40 2030 3040 5070 Laser Engraving Cutiing Machine Lens Dia 12/18/20mm Focal Length 50.8mm Mirror 20mm

$8.99

14.98

👍: 97.1%

Wide eyepiece SWA 70 degree ultra wide angle achromatic 1.25 inch telescope accessories big focal length

$31.89

53.15

👍: 96.6%

FONLAND CO2 Laser Head For K40 Series Laser Engraving Cutting Machine Lens Dia 12/15/18mm Focal Length 50.8mm Mirror 20mm

$6.64

14.76

👍: 100.0%

450nm 80W Laser Module Fixed Focal Length Engraving Head High Speed Laser Engraver Cutter 3D Printer CNC Router Laser Module

$80.45

335.21

👍: 100.0%

Go! 35mm Long Focal Length Lens 700TVL CCD Camera 1000TVL CCTV Security Box Color Mini Camera +RCA Adapter Car Overtaking Camer

$21.81

43.62

👍: 100.0%

Optical Fiber Collimator 94UV-30 Quartz Optical Fiber Focusing Lens Coupling SMA905 Lens Focal Length 30mm

$122.53

133.18

👍: 80.0%

650nm 250mW Red Dot Laser Head CNC Engraver Focusing Module Dot Locator Adjustable Focal Length Laser Engraving DIY Part

$8.03

25.09

👍: 100.0%

1pc Air Nozzle Laser Output Lens Dia 20mm Focal Length 63.5 &101mm for Laser Head CO2 Laser Engraving Cutting Machine Engraver

$4.31

7.18

👍: 100.0%

Linear Fresnel len 790x200mm F70mm 4 focal lengths Linear focusing Striped spot Special lighting Wall lamp Cylindrical lens

$149.88

299.76

👍: 97.1%

10Pcs Dia 25mm Focal Length 45mm BiConvex Clear Lens Convex Glass Lens For Google Cardboard Box 3D VR Glasses Magnifying Lens

$2.88

3.20

👍: 0.0%

Fresnel len 100x100mm F90mm 5.5" 3 focal lengths Stage lighting 3X magnification High transmittance Spotlight Solar energy

$11.08

22.16

👍: 100.0%

Fresnel len 250x250mm F300mm 13.9" 3 focal lengths Solar energy Field ignition diy Projector Spotlight optical Customizable

$17.15

34.30

👍: 0.0%

Fresnel lens 110x90mm F90mm 5.6" 4 focal lengths spotlight amplify for LED light DIY projector Solar energy Customizable

$13.98

27.96

👍: 70.0%

NONOR Double Vision Adjustable Degree Reading Glasses Universal Focal Length Correction Myopia Presbyopia Eyeglasses -6d to +3D

$9.68

11.00

👍: 95.6%

EYSDON 1.25 Inch Telescope Eyepiece Extension Tube Add 34mm /40mm Focal Length -#90716/ 90717

$6.78

7.53

👍: 0.0%

1set CO2 Laser Head Lens Tube+Air Nozzle+Laser Output Lens Diameter 20mm Focal Length 50.8/63.5/101mm Engraving Cutting Machine

$14.06

20.99

👍: 100.0%

New 35mm Long Focal Length Lens 700TVL CCD Camera 1000TVL CCTV Security Box Color Mini Camera +RCA Adapter Car Overtaking Camer

$21.96

43.92

👍: 100.0%

Fresnel lens 140x90mm F220mm 6.5" 3 focal lengths spotlight amplify DIY projector Solar energy High transmittance Customizable

$13.0

26.00

👍: 100.0%

Ultrarayc CO2 E Series Laser Head Set Four Focal Length 38.1/50.8/63.5/101.6mm Optional for Co2 Engraving Cutting Machine

$14.6

20.00

👍: 100.0%

Optical Experiment Equipment Optical Bench Accessories 3 Diameter Biconvex Lens Biconcave Lens Focal Length Minus 75mm

$3.7

3.89

👍: 100.0%

Fresnel lens 400x300mm F326mm large size 19.7" 3 focal lengths Solar energy Field fires Spotlight High temperature Customizable

$35.2

70.40

👍: 100.0%

Fresnel lens 170x130mm F170mm 8.4" 4 focal lengths spotlight amplify high definition DIY projector Solar energy Customizable

$13.8

27.60

$Diameter 83mm Focal Length 440mm Glued Green Film Astronomical Telescope DIY Accessories Refraction Objective Lens HD Achromatic$

👍: 100.0%

Diameter 83mm Focal Length 440mm Glued Green Film Astronomical Telescope DIY Accessories Refraction Objective Lens HD Achromatic

$24.27

49.53

👍: 100.0%

HUNST CO2 Laser Head Barrel Outer Diameter 25mm Diameter 20mm Focal Length 50.8/63.5/76.2mm For Engraving And Cutting Machine

$5.32

5.91

👍: 100.0%

1PC 32x21mm Optical Glass Nano Planar Holographic Grating Lens Focal Length 90mm Parallel Light Lentes Temperature Drift Lenses

$200.37

232.99

👍: 100.0%

Linear fresnel lens 400x200mm F80mm 4 focal lengths Linear focusing Striped spot Special lighting UV curing lamp Wall lamp

$66.46

132.92

👍: 0.0%

Fresnel lens D49.5mm F25-60mm focal lengths Flashlight for led light adjusting beam Stage lights Spotlight Customizable

$21.25

42.50

👍: 0.0%

1pc China CO2 ZnSe Focus Lens Diameter 20 mm Focal Length 38.1 50.8 63.5 76.2 101.6mm 1.5 - 4" Laser Engraving Cutting Machine

$17.14

24.49

👍: 100.0%

Fresnel lens 140x110mm F160mm 7" 3 focal lengths spotlight amplify for LED light DIY projector Solar energy Customizable

$14.0

28.00

👍: 0.0%

EYSDON 12mm Focal Length Extension Tube M48 Caliber Astronomical Telescope T Extending Ring for M48*0.75 Screw Mount

$3.48

3.87

👍: 98.3%

2PCS Dia 25mm BiConvex Ultra Clear Lens For Google Cardboard Virtual Reality 3D VR Glasses Magnifying lens focal length 45mm

$1.4

2.09

👍: 100.0%

Hand-Convex Lens Magnifier 4cm Diameter Focal Length 10cm Physical Optics

$3.7

3.89

👍: 100.0%

D130F650 Newton Reflective Primary Mirror 35mm Short Axis Secondary Mirror DIY Power Astronomical Telescope 750mm Focal Length

$34.69

59.81

👍: 100.0%

EYSDON 15mm Focal Length Extension Tube M48 Caliber Astronomical Telescope T Extending Ring for M48*0.75 Screw Mount

$3.03

3.37

👍: 100.0%

Microdisplay eyepiece ocular Magnifying lens 0.3-0.5 inch optical lens focal length 18 exit pupil 16.5

$111.59

119.99

👍: 100.0%

FA 12 mm Fixed Focal Length 3.0Megapixel C Mount 2/3 Inch Aperture F1.4 Manual Iris CCTV Lens Machine Vision Camera Lenses 3MP

$62.4

78.00

👍: 100.0%

Fresnel lens D310mm F220mm 2 focal lengths Large size Solar energy Spotlight High temperature 3X magnification

$26.5

53.00

👍: 0.0%

1pc CO2 Laser Head Lens Tube Air Nozzle Lens Diameter 20mm Adjust Focal Length 50.8mm &101mm CO2 Laser Engraving Cutting Machine

$5.03

7.19

👍: 0.0%

Fresnel len D350mm F -600mm Reducing mirror Reduced imaging Large angle of view Negative focal length Customizable

$45.26

90.52

👍: 100.0%

ProScope Microscope Objective RMS Thread Extension Spacer Parfocal Length 3mm 5mm 7mm 10mm 12mm 15mm 18mm

$9.79

10.88

👍: 100.0%

1pc Znse Focus Lens Diameter 12mm Focal Length 50.8mm 2'' for Co2 laser stamp engraving cutting machines K40 40W 3020 3040

$10.49

14.99