DAYSTAR IMAGING FLAT CAP Size:130-139mm tube OD Why not auto-guiding

Why not auto-guiding

Under this removable ring the CFW3 Extra Large filter wheel has a standard M62 x 0

SKU SC thread adapter

The housing offers live LCD readout of the filter's wavelength output (accurate to 0

refractors with a diameter of 100mm and focal ratio of f/10

DAYSTAR IMAGING FLAT CAP Size:130-139mm tube OD Why not auto-guidingThe DayStar FlatCap is a Gaussian diffuser that is temporarily installed over the front of your telescope when taking flat field reference images. By strongly blurring the Sun, the only details you will see in the reference image are from defects in your imaging train that can be removed in software. The FlatCap is sold by inside diameter of the mounting cap. Measure the outside diameter of the frontmost component of your telescope or ERF, and then