BAADER M54 SPACER RINGS AM5 9 kg (31 lbs) Material

9 kg (31 lbs) Material Aluminium alloy

The new Baader CMOS-optimized O-III 4nm / 6

The Askar 130PHQ is a professional apochromatic flatfield Petzval quadruplet with a focal ratio of f/7

25" eyepiece snout with safety indent slot directly into your diagonal or focuser

5 arc seconds PEC Yes

BAADER M54 SPACER RINGS AM5 9 kg (31 lbs) MaterialThe Baader M54 metal spacer rings are useful for fine tuning the precise backfocus distance as required by correctors, as well as preventing binding between two M54 threaded parts. The spacer rings are anodized for durability and colour coded for easy identification. Available in 0. 3mm (black), 0. 5mm (red) and 1mm (gold) sizes. Specifications Optical length 0. 3, 0. 5 & 1 mm Material Anodized aluminium Weight 2 g SKU BA2457921 (0. 3 mm), BA2457922