Filter Kepler n° 23A pale red for...

Filter Kepler n° 23A pale red for 1.25" eyepieces

KE138
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Filter Kepler pale red to enhance the contrast of specific details in lunar and planetary observation.

Order it before 3 hours and 26 minutes and receive it between on Thursday, 28 November and Thursday, 5 December with Home delivery - International

Delivery Options
Carrier Description Estimated Delivery
Home delivery - International Home delivery - International

Thursday, 28 November - Thursday, 5 December

Home delivery - International

Home delivery - International

Estimated delivery:
Thursday, 28 November - Thursday, 5 December

 

Filter Kepler n° 23A pale red for 1.25" eyepieces

Color filters are used to enhance contrast when observing lunar and planetary surfaces. Each color helps to observe specific details (Martian seas or polar caps, clouds on the surface of Jupiter or Venus, etc.). They are screwed to the barrel of the 31.75 mm diameter eyepieces and the specific colorant is embedded inside the glass itself. The reference of each filter is given by its color according to the Wratten catalog.

Use: This is an indispensable filter for planetary photography, as it reduces (and even blocks) blue and green wavelengths; it is similar to Wratten #21 but for Ø telescopes

Filter Kepler #23A pale red for 1.25" eyepieces

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