Baader M54 Extension Tube 15 mm | PixelSkiesAstro
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  • Baader M54 Extension Tube 15 mm | PixelSkiesAstro

Baader M54 Extension Tube 15 mm

€35.00
Tax included

Baader M54 Extension Tube 15 mm This Baader extension adds 15 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 15 mm · Specifications checked against manufacturer data on 2026-11-04

Baader M54 Extension Tube 15 mm

This Baader extension adds 15 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 15 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.

79862

Data sheet

Camera thread
M54 × 0.75 male
EAN barcode
4047825052254
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)
0.02
Manufacturer part number
2958715
Material
Aluminium
Model
Baader M54 Extension Tube 15 mm
Outer diameter (mm)
59
Telescope thread
M54 × 0.75 female
Threaded optical length (mm)
15

Specific References

MPN
2958715
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