Baader M54a External-Thread Dust Cover This Baader dust cap uses a M54 × 0.75 male thread to close a matching female accessory connection during storage or transport.
Manufacturer model: Baader M54a External-Thread Dust Cover · Specifications checked against manufacturer data on 2026-11-04
This Baader dust cap uses a M54 × 0.75 male thread to close a matching female accessory connection during storage or transport.
The manufacturer specifies black-anodised metal construction and a 59 mm outer diameter. The external M54 thread matches the Baader M54 system.
Match both thread diameter and pitch. The M54 male cap closes a matching M54 × 0.75 female port.
Baader manufacturer documentation
Exact dust cap SKU and gender matched. The cap is an opaque storage closure; its catalogue length is not added to an imaging optical-path calculation. No IP sealing or pressure-tight rating is claimed.
Data sheet
Specific References