About this product
Part Number: 2457916
New fine-adjustment spacer rings from Baader in three sizes 0.3mm (black), 0.5mm (red) and 1mm (gold).
Useful for getting that precise backfocus distance from a reducer or flattener when imaging and prevents binding between two M48 threaded parts.
Rings are M48 diameter and are made from aluminium.
T-2 versions are available here: Baader T-2 Fine Adjustment Spacer Rings
Outer diameter: ~52mm.
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