BAADER M54 HEAVY DUTY QUICK CHANGER DayStar The low thermal expansion quartz

The low thermal expansion quartz mirrors have a surface correction of 1/12th Lambda PV or better and have highly reflective dielectric coatings ensuring 99% reflectivity

The flange and saddle are CNC machined and the precision of their geometry guarantees a perfect match with Vixen and Losmandy style dovetail bars

It can be used to connect accessories with M56 male threads such as Takahashi adapters and correctors to accessories with M48 male threads

The QHY992M  include a 25mm filter holder

BAADER M54 HEAVY DUTY QUICK CHANGER DayStar The low thermal expansion quartzThe Baader Heavy Duty M54 Quick Changer allows you to quickly swap out accessories with the aid of additional Quick Changer rings featuring a Zeiss micro bayonet (sold separately). Baader's M54 quick release adapters have extreme load capacity for the heaviest accessories. Includes one BA2958702 metal dust cap. Note: This does not include the BA2958765 M54 quick change ring with Zeiss bayonet. Specifications Optical length 11 mm Clear aperture 54 mm