Cut-off glass filter
Red long pass filter
The red long-pass filter “HB series” is a transparent glass filter that has the characteristic of mainly transmitting the red wavelength or more. The following 9 types are available depending on which wavelength is used for transmission.
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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