Meade Violet Colour Filter #47 by Meade

Meade Violet Colour Filter #47Meade Violet Colour Filter #47
Violet Colour Filter #47#47 Violet (3% transmission): Strongly rejects red, yellow, and green wavelengths; useful for the study of Martian polar cap regions and for the observation of occasional phenomena in the upper atmosphere of Venus. Enhances contrast between the rings of Saturn. Use only on telescopes of 8" aperture and larger.

Price: £19.99

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