Baader M48 Extension Tube 7.5 mm | PixelSkiesAstro
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  • Baader M48 Extension Tube 7.5 mm | PixelSkiesAstro
  • Baader M48 Extension Tube 7.5 mm | PixelSkiesAstro

Baader M48 Extension Tube 7.5 mm

€24.00
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Baader M48 Extension Tube 7.5 mm This Baader extension adds 7.5 mm of optical length to an M48 threaded imaging train. It provides an M48 × 0.75 female telescope-side connection and an M48 × 0.75 male camera-side connection.

Manufacturer model: Baader M48 Extension Tube 7.5 mm · Specifications checked against manufacturer data on 2026-11-04

Baader M48 Extension Tube 7.5 mm

This Baader extension adds 7.5 mm of optical length to an M48 threaded imaging train. It provides an M48 × 0.75 female telescope-side connection and an M48 × 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 45 mm inner diameter and 53 mm outer diameter. The 7.5 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.

80471

Data sheet

Camera thread
M48 × 0.75 male
EAN barcode
4047825045577
Female thread depth (mm)
3.5
Function
Rigid working-distance extension
Inner clear diameter (mm)
45
Male thread length (mm)
3
Manufacturer net weight (kg)
0.01
Manufacturer part number
2958607
Material
Aluminium
Model
Baader M48 Extension Tube 7.5 mm
Outer diameter (mm)
53
Telescope thread
M48 × 0.75 female
Threaded optical length (mm)
7.5

Specific References

MPN
2958607
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