BAADER M42 (T2) SPACER RINGS GPS Focal ratio f/7

Focal ratio f/7

It is recommended to connect directly to your PC

Optical design 2 elements in 1 group Max distance to camera sensor Approx

Incredibly lightweight at only 5

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

BAADER M42 (T2) SPACER RINGS GPS Focal ratio f/7The 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),