Baader Planetarium 2" NX4 (C90)/ETX Expanding Ring | 2958500A 8" With a wedge

With a wedge

Skymax Maksutovs feature mirrors constructed of borosilicate

Additional back focus required: 15mm

LX200 Compatibility: LX200 protocol is fully compatible with NYX-101

4 and the focal length is reduced to 270mm

Baader Planetarium 2" NX4 (C90)/ETX Expanding Ring | 2958500A 8" With a wedgeBaader 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"