Baader Semi APO FilterPlanoptically Polished with Phantom Coating Group (PCG). Baader's newest addition for Achromat owners. The Semi APO works like it's name implies delivering an amazingly neutral view, while cutting most of the annoying and contrast robbing violet fringe that plagues all achromats. The Semi APO filter combines a stronger Fringe Killer coating formula with the Moon & Skyglow Neodymium substrate. The result is similar performance to the Fringe Killer +

the AZ-EQ6 features a built-in USB-B port on its side panel

Superior edge performance not only creates rounder

LIGHT is `the hottest commodity` for high magnification work

then comparing spectral traces before and after

The light from the meteor was brighter than our Sun

28mm 2” LET eyepiece

Multi-Coated Objective Lens

Optical Coatings: Fully Multi-Coated

There is also a ZWO Forum here for ZWO camera users: ZWO USER GROUP

These telescope packages will stand you in great stead for a lifetime of serious astronomical viewing

The meteorite was found so badly entangled in the seat springs that the wires had to be cut before it could be removed

planetary occultations