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Castell #29 Dark Red Planetary Filter 4% Transmission - 1.25"

Castell #29 Dark Red Planetary Filter 4% Transmission -  1.25"
Castell #29 Dark Red Planetary Filter 4% Transmission -  1.25"
Castell #29 Dark Red Planetary Filter 4% Transmission -  1.25"
Castell #29 Dark Red Planetary Filter 4% Transmission -  1.25"
Castell #29 Dark Red Planetary Filter 4% Transmission -  1.25"
Castell #29 Dark Red Planetary Filter 4% Transmission -  1.25"
Castell #29 Dark Red Planetary Filter 4% Transmission - 1.25"
£13.20
Ex Tax: £11.00
  • Stock: In Stock
  • Model: F29
  • Shipping Weight: 0.20kg
  • SKU: F29
  • GTIN: 0702403402329
  • MPN: Castell-F29
  • Location: C1

Planetary Colour Filter #29 Dark Red 1.25-inch (4% transmission, M28.5x0.6).

This very dark red filter is recommended for large telescopes from 150 - 200mm and up.


Spectrogram of transmission of some colour filters; only for demonstration purposes.

 

 

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