the dome lens/hemisphere dome we manufactured be used to protectthe lens of underwater camera,which could resist the pressure ofwater,and give a best view field to catch picture.
specification of hemisphere dome we could supplied asfollow:
materials:bk7 glass,uv fused silica etc., various types of optical glass.
diameter: from 10 to 250 mm.
diameter tolerance: 0.1 mm, standard; 0.01 mm - attainable.
surface quality: 60/40 scratch/dig ,standard;20/10 scratch/dig,attainabledepending on material type and combination of otherparameters.
power/irregularity: 5/1 (interference fringes),standard; 0.5/0.1(interference fringes), attainable depending on material type andcombination of other parameters. aperture 60 deg.
decentration: 0.05mm,standard; 0.01 ,attainable.

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VYOpticsPhotoelectricTechnologyCo.,Ltd.
Molloy
18243052623
Changchun