Telephone: +44 (0) 1268 728077
Stock Specification
A HOYA ® band-pass filter passes frequencies within a certain range and rejects (attenuates) frequencies outside that range
Hoya ® Bandpass optical glass filters made from Hoya® colour glass have a specific transmission band surrounded by blocking bands either side that only allow the required section of the spectrum to pass
Hoya ® Bandpass filter range includes B-370, B-380, B-390, B-410, B-430, B-440, B-460, B-480, G-530, G-533, G-545, G-550, U-330, U-340, U-350, U-360
Stock Hoya filters are available in the sizes below and can be cut to custom sizes if required. We hold stock of raw Hoya materials and can quote for custom sizes and production quantities
MATERIAL: |
HOYA ® Filter Glass |
|
SURFACE QUALITY: |
Ø12.5mm ≤ 3 fringes |
DIAMETER TOLERANCE: |
+0.0 / -0.2mm |
|
SURFACE QUALITY: |
Ø25.0mm ≤ 5 fringes |
SQUARE TOLERANCE: |
± 0.2mm |
|
SURFACE QUALITY: |
Ø50.0mm ≤ 8 fringes |
THICKNESS TOLERANCE: |
± 0.2mm |
|
PARALLELISM: |
≤ 3 arc minutes |
SURFACE QUALITY: |
60/40 |
|
EDGES: |
fine ground |
CUSTOM SIZES AND THICKNESSES AVAILABLE ON REQUEST
Raw Material is held in stock - Custom sizes available