TAKAHASHI TPL EYEPIECE 50mm ZWO18 76D-RD reducer focal length 580

76D-RD reducer focal length 580 mm 76D-RD reducer focal ratio F/5

allowing you to adjust the orthogonality of your sensor from the rear end of the camera where there is plenty of room to use standard hex keys

for the GM3000 and GM4000 it requires the following adapters:

Flatness: 1/4 λ

TAKAHASHI TPL EYEPIECE 50mm ZWO18 76D-RD reducer focal length 580The Takahashi TPL 50mm eyepiece provides a 48 degree apparent field of view and extremely sharp on axis performance. Takahashi's TPL series are the definitive standard eyepieces, made in Japan and designed for use with high performance telescope systems where optical clarity is paramount. Stars are very sharp up to half the field of view, gradually swelling to the edge of the field. When combined with a short Barlow, the field is flat to the edge.