Bandpass glass

UV transmission visible cut filter


Ultraviolet transmission visible cut filter "ZWB series" is a filter that transmits ultraviolet light and cuts visible light almost completely. The appearance is black to cut off visible light. The following three types are available depending on whether UV-A (long wavelength ultraviolet), UV-B (medium wavelength ultraviolet) or UV-C (short wavelength ultraviolet) is transmitted.


Model number

thickness(mm)

254(nm)

280(nm)

313(nm)

334(nm)

365(nm)

405(nm)

700(nm)

date
ZWB1
1

50.0
81.0


1.0
 30.0
ZWB2
1


 38.0

 80.0
8.0
 14.0
ZWB3
2
34.0


86.0

28.8
64.6

Optima Inc.

1-48-11 Itabashi, Itabashi-ku, Tokyo 173-0004

TEL : 03-5375-2351  |  FAX : 03-5375-2360  |  E-mail : optima@optima-japan.jp

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