Optolong L-Pro EOS-C Clip Filter Canon APS-C Crop Camera Synscan it also provides an astrograph-quality

it also provides an astrograph-quality flat focal plane all the way to the edge of the field of view

Each filtercell has a male as well as a female thread to allow stacking for narrower passbands or to combine with our Baader UV/IR Cut-filter

If your telescope is out of collimation

Superb for your ZWO Seestar S50

Optolong L-Pro EOS-C Clip Filter Canon APS-C Crop Camera Synscan it also provides an astrograph-qualityOptolong L Pro EOS C Clip Filter Canon APS C Crop Camerea Optolong L Pro is multi bandpass filter which offers better color balance by maximizing the transmission band. The balanced transmission allows astrophotos to be taken with minimal color cast to broadband emission objects such as galaxies, reflection nebulae and globular star clusters. L Pro is the best choice for light pollution suppression. L eNhance Introduction Optolong L Pro (L