Baader T-2/M48/M54 Fine Adjustment Rings, Aluminium

T-2 Fine-Adjustment rings

 - Astro T-2 System spacer (Fine-Adjustment) rings, available in thickness 0,3mm (black #2457911), 0,5mm (red #2457912), 1mm (gold #2457913)
 - Very thin ring for finetuning in T-2 eyepiece projection
 - Ring is T-2 diameter fit without threads
 - Fits between all T-2 threads, equals approx. 1/3 (0,3mm), 1/2 (0,5mm), 1/1 (1mm) respectively turn of rotation
 - Prevents binding between two T-2 threaded parts

M48 Fine-Adjustment rings

 - System M48 spacer (Fine-Adjustment) rings, available in thickness 0,3mm (black #2457916), 0,5mm (red #2457917), 1mm (gold #2457918)
 - Very thin ring for finetuning in M48 eyepiece projection
 - Ring is M48 diameter fit without threads
 - Fits between all M48 threads, equals approx. 1/3 (0,3mm), 1/2 (0,5mm), 1/1 (1mm) respectively turn of rotation
 - Prevents binding between two M48 threaded parts.