Astronomy Specialist

M42 EXTENSION TUBES (5mm-10mm-15mm-20mm)

$49.00 AUD
SKU: F9160A

Testar

  • M42 x 0.75 Male
  • M42 x 0.75 Female
  • Optical thickness: 5 - 20 mm


 

This adapter kit includes 4 extension tubes with male and female T threads (M42 x 0.75). The optical length of these 4 adapters is 5mm, 10mm, 15mm and 20mmThe internal barrel uses an anti reflection thread to absorb and minimise internal reflections.

 


 

Material

Aluminium alloy

Telescope connection

Female T thread (M42 x 0.75)

Camera connection

Male T thread (M42 x 0.75)

Optical thickness

5mm-10mm-15mm-20mm

Weight

55 gr

    Customer Reviews

    Based on 2 reviews
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    J
    John Holgate
    Good quality

    Quality seems fine, threads are pretty smooth. Very handy to have for getting the correct backfocus for various accessories.

    J
    Jon
    Great!

    Good quality Now I can achieve correct backfocus on my Astro cameras.