BAADER M68 SPACER RINGS

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The Baader M68 metal spacer rings are useful for fine-tuning the precise backfocus distance as required by correctors, as well as preventing binding between two M68 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 BA2458255 (0.3 mm), BA2458256 (0.5 mm), BA2458257 (1 mm) Show more