BAADER ADAPTER M42 MALE - M42 MALE WITH 1.25" FILTER THREAD OS-IP especially with long optical tubes

especially with long optical tubes

6 is a professional apochromatic Petzval quintuplet with an aperture of 72mm and a corrected field of 44mm in diameter

8μ RMS at 25 mm on-axis

5 mm (excluding the T2 11 mm ring)

Mercury will reveal its faint details only with an IR-pass filter

BAADER ADAPTER M42 MALE - M42 MALE WITH 1.25" FILTER THREAD OS-IP especially with long optical tubesThe Baader M42 Male to M42 male conversion ring (AKA Baader Double T Filterholder 1. 25") is a continuous M42 x 0. 75 (T2) male thread. It can be used to connect two accessories with M42 female threads or as a low profile female to male adapter. It includes an internal 1. 25" thread for attaching all mounted 1. 25" filters to either side of the adapter. Specifications Clear aperture 28 mm Outer diameter 46 mm Optical thickness 0 mm Connection