Optical Vision 1.25 Inch Hydrogen-Alpha CCD Filter

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This long-pass filter limits transmission of light with wavelengths longer than 650nm. Whilst suppressing all other polluting lights, the filter allows you to observe emission nebulae with greatly enhanced contrast. Ideal for observing emission nebulae or objects that emit in the H-alpha region. Suitable only for CCD photography. Threaded to fit standard 1.25” eyepieces.

£54.00

SKU: d021536dd3a2 Categories: ,

Description

This long-pass filter limits transmission of light with wavelengths longer than 650nm. Whilst suppressing all other polluting lights, the filter allows you to observe emission nebulae with greatly enhanced contrast. Ideal for observing emission nebulae or objects that emit in the H-alpha region. Suitable only for CCD photography. Threaded to fit standard 1.25” eyepieces.