BAADER M42 (T2) SPACER RINGS GPS 90% for Ha & SII

90% for Ha & SII Off-band transmission OD5 @ 300-1050 nm Coating Double-sided multilayer nano-coating Surface quality 60/40 (in accordance with US military watch MIL-O-13830) Parallelism <30" Glass type Monolithic optical substrate (non glued) Filter size Mounted 1

or by the Series-5 controller

0µm pixels

It is recommended to connect directly to your PC

Incredibly lightweight at only 5

BAADER M42 (T2) SPACER RINGS GPS 90% for Ha & SIIThe Baader M42 (T2) metal spacer rings are useful for fine tuning the precise backfocus distance as required by correctors, as well as preventing binding between two M42 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 BA2457911 (0. 3 mm),