M68 SPACER - 0.4mm photography 2″ from the fully racked

2″ from the fully racked in Hedrick Focuser

5 5mm M48 extension + M48 spacer 0

1 arcsecond / step Weight 1060 g

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M68 SPACER - 0.4mm photography 2″ from the fully rackedThis 0. 4mm M68 spacer is a very useful for making up the exact backfocus distance required by correctors. The spacer is made of metal which is much more resistant to deformation than plastic spacers. Specifications Optical length 0. 4 mm SKU AX M68SHIM0. 4