BAADER M48 SPACER RINGS Optical-Thickness:0.5mm The Baader Wide-T-Ring allows the

The Baader Wide-T-Ring allows the connection of Sony E/NEX mount to the M48 thread and T2 (M42) through 2 separate internal rings

60 mm  Dimensions (mm) 652 (with dew shield) L x 376 Ø Weight 30 kg Backfocus from back plate 180 mm RMS polychromatic spot size Max

Rack & pinion dual speed (10:1) 4

65 x 65 mm square SKU 1

This adapter allows to connect an accessory with a 3" nosepiece to the M81 thread of the Prima Luce Lab ESATTO 3" robotic focuser or ARCO 3" robotic rotator

BAADER M48 SPACER RINGS Optical-Thickness:0.5mm The Baader Wide-T-Ring allows theThe Baader M48 metal spacer rings are useful for fine tuning the precise backfocus distance as required by correctors, as well as preventing binding between two M48 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 BA2457916 (0. 3 mm), BA2457917