BAADER M42 (T2) SPACER RING SET M60 SkyWatcher polar scope (optional Losmandy

SkyWatcher polar scope (optional Losmandy model) Counterweight bar

Parabolic Primary Mirror

Because many Nikon cameras have a 30-second exposure limit

Tracking rate

The very fast focal ratio allows for the use of very narrow band filters keeping exposure times short

BAADER M42 (T2) SPACER RING SET M60 SkyWatcher polar scope (optional LosmandyThe Baader M42 (T2) spacer ring set is useful for fine tuning the precise backfocus distance as required by correctors, as well as preventing binding between two M42 threaded parts. These rings are designed to adjust the end rotating position of all T2 accessories in approximately 90 steps. This set comes with rings of various thicknesses (0. 6 0. 8 1. 0 1. 2 1. 4mm), with three rings of each size for a total of 15 rings. Specifications Optical length