*Material:Bk7,fused silica,CaF2,MgF2,BaF2,ZnSe infrared optical crystals.
*Focal�length:+/-1%
*Length�tolerance:+0.0 - -0.1mm
*Width�tolerance:+0.0 - -0.1mm
*Center�thickness�tolerance:+/-0.1mm
*Surface�Figure:lambda/2 at 633nm on plano side
*Surface�quality:60-40�stratch/dig
*Clear�Apenture>90%
*Chamfer:0.25mm at 45 degree typical
*Coating:optional.
*Material: BK7,UV-grade fused silica (JGS1) or other optical crystals materials
*Length tolerance:+/-0.01
*Width tolerance:+/-0.01
*Center thickness tolerance:0.005mm
*Surface quality:80-50 to 10-5 Scratch/Dig
*Surface flatness:
*Clear Apenture:80% -- 100%.
Specification of our achromatic lens as follow:
*Material:BK7,ZF2,ZF7(or according to your request)
*Dia.:+0/-0.05
*Center thickness tolerance:+/-0.1
*Surface quality: 60-40 Scrath/Dig
*Surface figure:0.5-0.2
*Centration < 3arc min
*Chamfer:0.1-0.25*45 degrees
*Design wavelength:486.1mm,587.6mm,656.3mm
(the parameter is dimension of normal lens,so specification will be changed according to different dimension and material).
Specification of our wide angle lens as follow:
*25mm 0.45X wide angle lens
*27mm 0.45X wide angle lens
*28mm 0.45X wide angle lens
*30mm,30.5mm,34mm,37mm,43mm,46mm,49mm,52mm,55mm,58mm,62mm,72mm,105mm 0.45X wide angle lens
*58mm 0.7X,0.75X wide angle lens.
Ruled area: <=70 * 70mm
Wavelength range: 0.2-0.8um
Grooves per mm: 1,200 to 3,600L/mm
Diffraction: >70%
Ruled gratings:
Specifications:
Ruled area: <=70 * 70mm
Wavelength range: 0.2-15um
Grooves per mm: 50 to 2,400L/mm
Diffraction: >70%
Concave gratings:
Specifications:
Ruled area: <=70 * 70mm
Wavelength range: 200 to 900um
Grooves per mm: 490 to 1,200L/mm
Diffraction: >70%.
