Baader M54 Extension Tube 5 mm | PixelSkiesAstro
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  • Baader M54 Extension Tube 5 mm | PixelSkiesAstro

Baader M54 Extension Tube 5 mm

€32.00
Tax included

Baader M54 Extension Tube 5 mm This Baader extension adds 5 mm of optical length to an M54 threaded imaging train. It provides an M54 × 0.75 female telescope-side connection and an M54 × 0.75 male camera-side connection.

Manufacturer model: Baader M54 Extension Tube 5 mm · Specifications checked against manufacturer data on 2026-11-04

Baader M54 Extension Tube 5 mm

This Baader extension adds 5 mm of optical length to an M54 threaded imaging train. It provides an M54 × 0.75 female telescope-side connection and an M54 × 0.75 male camera-side connection.

Thread and clearance dimensions

The female thread is 3.5 mm deep and the male thread is 3 mm long. The manufacturer lists a 51 mm inner diameter and 59 mm outer diameter. The 5 mm extension is the added optical spacing, rather than the overall dimension including the male thread.

Spacing applications

The aluminium extension provides a fixed spacing increment between compatible cameras, reducers, flatteners and other threaded accessories. Combine it with the model-specific adapter arrangement required by the optical corrector.

Baader manufacturer documentation

Compatibility notes

Thread engagement length is not added again to the optical spacing.

79859

Data sheet

Camera thread
M54 × 0.75 male
EAN barcode
4047825052223
Female thread depth (mm)
3.5
Function
Rigid working-distance extension
Inner clear diameter (mm)
51
Male thread length (mm)
3
Manufacturer net weight (kg)
0.01
Manufacturer part number
2958705
Material
Aluminium
Model
Baader M54 Extension Tube 5 mm
Outer diameter (mm)
59
Telescope thread
M54 × 0.75 female
Threaded optical length (mm)
5

Specific References

MPN
2958705
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