B+W F-Pro 486 UV/IR Cut Filter MRC 39

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  • Filtermaat 39 mm
  • Kleur Zilver
  • Aantal per verpakking 1
  • Kleur Zilver
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Info

This B+W Interference Filter has a completely colorless glass carrier coated with a number of extremely thin, partially reflecting layers with precisely computed thicknesses, similar to MC coating. The B+W Filter 486 does not block by means of absorption, but by interference of the unwanted UV and IR radiation that is repeatedly reflected between these layers, affecting the wavelengths on both sides of the visible spectrum with a steep cut-off. It is used mainly on digital and video cameras with CCD sensors without an integrated IR protection filter, because the IR sensitivity of the CCD sensor would otherwise cause color changes and unsharpness. That unsharpness results from the chromatic aberration of the lenses that are only corrected for visible light. In the visible range, the transmission curve is very high and straight. This filter is completely clear and it requires no increase in exposure. Its filter factor is 1.

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Kenmerken

Kenmerken
  • Filtermaat 39 mm
  • Kleur Zilver
Inhoud van de verpakking
  • Aantal per verpakking 1
Technische details
  • Kleur Zilver