Dear Friend；
This is Hansen from Newdistrict Optics Co.,Limited.
I am professional Customized Optics manufacturer:

1)Lens
plano-convex, plano-concave, bi-convex, bi-concave, doublet lens.
Surface quality: 60-40, Fringes: 2(0.5), Wedge: less than 3 min.
Material: Bk7, Fused Silica, Sapphire, CaF2, Borosilicate glass, CDGM, SCHOTT etc.

2)Window, mirror
Plano winows, Square windows, Wedge window, IR filter, UV filter.
Surface quality: 20-10, Fringes: 1(0.5), Parallelism: less than 1min.
Material: Bk7, CaF2, Fused Silica, Sapphire, Borosilicate glass, CDGM, SCHOTT etc.

3)Cylindrical lens:
plano-convex & concave cylindrical lens, Bi-concave & convex cylindrical lens.
Surface quality: 40-20, Fringes:3(0.5), Center error: 3 arc min.
Material: Bk7, Fused Silica, CaF2, MgF2, Silicon, CDGM, SCHOTT etc.

4)Prisms.
Periscope prism, Right angle prism, Penta prism, Dove prism, Corner cube prism, Tanker prism. Surface quality: 60-40, Fringes:3(0.5), Angle tolerance: 3 arc min,
Material: BK7, Fused silica, Borosilicate glass, CDGM, SCHOTT etc.

5)Coating.
AR, DLC, HR, HT and so on.

Please feel free to contact me if you have any requests.
And I hope to be your reliable supplier in future.

Best Regards,
Hansen Yang
General Manager
Add:7-401 Alley 58 BaoLe Road MaLu Town JiaDing District Shanghai,China
Mobile:86-18917396566
Tel:+86-21-61126592,Fax:86-21-61126593
E-mail: Newdistrict@yeah.net
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