BAADER M42 MALE - M42 MALE CONVERSION RING TESTAR30 This front mount ERF will

This front mount ERF will generate a slower focal ratio through aperture reduction while preventing heat build-up in the optical tube assembly

Fully multi-coated Surface quality 60/40 Parallelism 30"

sold separately)

The William Optics T-Ring for Olympus Micro 4/3 mirrorless cameras is a high quality M48 camera adapter made from CNC-machined and anodized aluminium

75 - While the included M54 male to M42 female adapter will in theory allow you to use the filter drawer with full-frame cameras such as the ASI2400/ASI6200

BAADER M42 MALE - M42 MALE CONVERSION RING TESTAR30 This front mount ERF willThe Baader M42 Male to M42 Male conversion ring 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 zero optical length male to female adapter. Specifications Optical length 0 mm Clear aperture 39 mm Outer diameter 42 mm Connection telescope side M42 x 0. 75 male Connection camera side M42 x 0. 75 male Weight 10 g SKU BA1508025