Optec - Violet rejection filter, 50mm diam x 2mm thick.

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$30.00

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Most refractor optics including apochromatic telescopes are not
SKU: 17229
Manufactured by:
Optec
 

Product Description

Optec - Violet rejection filter, 50mm diam x 2mm thick.

Blocks the UV and violet light shorter than 420nm. Most refractor optics including apochromatic telescopes are not well corrected in the short wavelengths. Add to this, the enhanced quantum efficiency of the newer CCDs in this part of the spectrum. Without this filter, the stellar profiles of hot blue stars become bloated and off-axis stars show a small comet like tail due to laterial chromatic aberration. 

The Optec IFW Intelligent filter wheel (#17350) is the ideal compliment for holding this filter.

Specifications

Name Optec - Violet rejection filter, 50mm diam x 2mm thick.
Manufacturer Optec
Model 17229
Custom Stock Status Available - Ships in 3-5 Days

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