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ZWO — 21 mm M54 male/female extension tube

21-mm M54 threaded extension designed to adjust the distance between the components of an imaging train.

CHF 24.20incl. Swiss VAT

Part Number ZWO-A164892

In stock
Estimated shipping time: 2 to 4 days

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Product description

Product description

ZWO — 21 mm M54 male/female extension tube

21-mm M54 threaded extension designed to adjust the distance between the components of an imaging train.

Usage and Selection of the Mounting Method

This model is different from the 16.5-mm M54 extension and the 7.5-mm and 10-mm short versions. Add up the optical lengths of all the rings before choosing the spacing.

Technical specifications

Brand ZWO
Reference M54-M54-21
Nominal length 21 mm
Interfaces M54 male and female

Documentation and Compatibility: ZWO official data sheet.

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