Baader Planetarium 2" NX4 (C90)/ETX Expanding Ring | 2958500A 8" Provides a 46° Apparent FOV

Provides a 46° Apparent FOV

4 and the focal length is reduced to 270mm

6KG Counterweight and counterweight bar A standard 5KG counterweight and a counterweight bar (304 stainless steel) Dovetail saddle Standard 200mm Losmandy & Vixen style dovetail saddle Dimension The diameter of the main body's base is 160mm

With a wedge

Thanks to its specially designed full aluminum case

Baader Planetarium 2" NX4 (C90)/ETX Expanding Ring | 2958500A 8" Provides a 46° Apparent FOVBaader Planetarium 2" NX4 (C90) ETX Expanding Ring Converts NX4 straight male thread to 2" SC thread (component part of 2958500) Specifications Manufacturer Baader Planetarium SKU (#) 2958500A EAN Code 4047825007216 Weight (kg) 0. 056 Optical length (mm) 2. 5 Usage Changes NexStar 4 outer thread in the standard 2" SC thread of all SC telescopes Inner Diameter Clear Aperture (mm) 28 Outer Diameter 56 Inner Connection (lens sided) Thread, M28. 5, 1. 4"