Fresnel lens 350x250mm F500mm 0.1 mm superfine thread 3D printing Solar concentrating power generation Precision testing optics

Fresnel lens d255mm f1000mm 3 focal lengths 3x magnification spotlight solar energy high temperature lampshade customizable

0

0

-66%

Fresnel lens 130x60mm f220mm 5.6" solar energy diy projector full screen 3x magnification field fires spotlight customizable

0

0

Fresnel lens 140x90mm f220mm 6.5" 3 focal lengths spotlight amplify diy projector solar energy high transmittance customizable

0

0

-6%

Fresnel lens 135x100mm f35mm 6.6" spotlight amplify for led light diy projector solar energy high definition customizable

0

0

-8%

Fresnel lens d230mm f110mm 3 focal lengths stage lights diy projector spotlight magnifier solar energy high definition lighting

0

0

-9%

Fresnel lens d164mm for led lenses focal magnifier spotlight diy projector downlight precision testing optical experiment len

0

0

-73%

Fresnel lens 110x66mm f170mm 5" spotlight amplify for led light diy projector solar energy field ignition 3x magnificatio

0

0

-3%

Fresnel lens d200mm f120mm 8 focal lengths 3x magnification stage lights flashlight diy projector spotlight solar energy

0

0

Fresnel lens 110x90mm f90mm 5.6" 4 focal lengths spotlight amplify for led light diy projector solar energy customizable

1

0

-4%

Fresnel lens d360mm f450mm 3 focal lengths large size high temperature solar energy spotlight 3x magnification magnifier optical

1

0

-3%

Fresnel lens d160mm f70mm 5 focal lengths solar energy precision detection stage lights spotlight 3x magnification customizable

0

0

Fresnel lens 230x230mm f450mm 12.8" 3x magnification field fires solar energy optical stage lights spotlight customizable

0

0

-3%

Fresnel lens d140mm led lenses focal magnifier spotlight diy projector downlight precision testing optical experiment len

0

0

Fresnel lens d400mm focal solar energy magnifier led lenses spotlight high temperature projection diy electricity generation

0

0

-3%

Fresnel lens d220mm f600mm 2 focal lengths high definition stage lights magnifier diy projector spotlight concentric thread

0

0

Fresnel lens d380mm focal solar energy magnifier led lenses spotlight high temperature projection diy electricity generation

0

0

-7%

Fresnel lens d250mm f90mm down light 8 focal lengths precision detection spotlight amplify solar energy high definition

0

0

-74%

Fresnel lens 115x62mm f330mm 5" spotlight amplify for led light diy projector solar energy customizable high definition

0

0

Linear fresnel lens 100x80mm f150mm spot striped wall lamp precision inspection special lighting uv curing lamp customizable

1

1

Linear fresnel lens 100x100mm f100mm spot striped wall lamp precision inspection special lighting uv curing lamp customizable

0

0

Linear fresnel lens 150x100mm f120mm spot striped wall lamp precision inspection special lighting uv curing lamp customizable

0

1

-6%

Fresnel lens d100mm f120mm solar energy for led light stage lights flashlight diy projector spotlight amplify

1

4

Fresnel lens 240x240mm f250mm 13.4" spotlight solar energy stage lights diy projector 3x magnification optical customizable

0

0

-2%

Fresnel lens 200x200mm f200mm 11" 4 focal lengths solar energy stage lighting 3x magnification spotlight optical customizable

0

1

-2%

Fresnel lens 520x520mm f620mm large size 28.9" boil water cooking 3x magnification spotlight solar energy high temperature

0

0

-6%

Fresnel lens 520x320mm f620mm large 24" spotlight solar energy 3x magnification cupola metal boil water cooking optical

0

0

-2%

Fresnel lens 360x240mm f500mm 15.6 " 3 focal lengths spotlight diy projector solar energy 3x magnification high definition

0

0

Fresnel lens 450x450mm f620mm large 25" boil water cooking 3x magnification spotlight solar energy cupola metal optical

0

0

-11%

Fresnel lens d240mm f100mm 2 focal lengths stage lights diy projector spotlight high definition solar energy customizable

1

0

-5%

Fresnel lens 500x500mm f620mm large 27.8" boil water cooking 3x magnification spotlight solar energy cupola metal optical

0

0

-11%

Fresnel lens d125mm f1000mm long focal leng tspotlight stage for led flashlight diy projector high definition customizable

0

0

-8%

Compound fresnel lens d50mm f40mm eliminate stray light photography lamp cast light fly eye lens customizable

1

0

Fresnel lens 104x104mm f55mm 2.7" for led light 3x magnification stage lights spotlight high transmittance customizable

1

1

Fresnel lens d55mm f25mm sample 3 focal lengths adjusting beam stage lights spotlight led light 3x magnification customizable

0

0

-8%

Fresnel lens 36x27mm f40/50mm10pcs 3x magnification adjusting beam diy projector stage lights spotlight led light customizable

0

0

-69%

Fresnel lens 125x48mm f220mm 5.3" for led light 3x magnification stage lights diy projector spotlight customizable

0

0

Fresnel lens 50x50mm f40mm 10 pcs focal lengths high definition led light stage lights flashlight diy projector customizable

0

0

-2%

Linear fresnel lens 50x50mm f150mm striped spot precision inspection wall lamp special lighting uv curing lamp customizable

0

0

Fresnel lens 38x35mm f50mm 10 pcs diy projector 3x magnification adjusting beam stage lights spotlight led light customizable

0

0

Linear fresnel lens 600x200mm f100mm 4 focal lengths linear focusing striped spot special lighting uv curing lamp wall lamp

0

0

-1%

Fresnel lens d150mm f210mm for led light stage lights diy projector high definition spotlight 3x magnification customizable

0

1

-4%

Fresnel len 200x170mm f170mm 10.3" 2 focal lengths spotlight amplify diy projector solar energy field fires high definition

1

1

-7%

Fresnel lens d150mm f55mm 8 focal lengths for led light stage lights diy projector spotlight 3x magnification customizable

1

1

5.0

Fresnel lens d49.5mm f25-60mm focal lengths flashlight for led light adjusting beam stage lights spotlight customizable

1

1

Fresnel lens d52mm f25mm sample 2 focal lengths for led light stage lights flashlight spotlight 3x magnification customizable

2

3

200mm large square optical pmma plastic solar fresnel lens solar energy condenser lens plane magnifier3x 1pc

0

1