Astronomy Specialist

M42 VARIABLE EXTENSION 24 - 35mm

$49.00 AUD
SKU: F9180A

Testar

  • M42 x 0.75 Male
  • M42 x 0.75 Female
  • Optical thickness: 24 - 35 mm


 

This variable adapter connects accessories with T threads. It is an assembly of 3 elements: 

  • Bottom barrel with female T thread (M42x0.75)
  • Top barrel with male T thread (M42x0.75)
  • Locking ring to lock the top barrel in position. 

The variable length of the adapter between 24 and 35 millimetres is particularly useful for telescopes that use coma correctors or field flatteners where the distances are critical. 

 


 

Material

Aluminium alloy

Telescope connection

Female T thread (M42 x 0.75)

Camera connection

Male T thread (M42 x 0.75)

Optical length

24-35 mm

Weight

26 gr

    M42 VARIABLE ADAPTER 24-35mm.

    M42 VARIABLE EXTENSION 24 - 35mm

    $49.00 AUD

    Optical design

    Image circle

    Focal ratio

    Aperture

    Focal length

    Optical thickness

    Optical thickness: 24 - 35 mm

    Threads

    M42 x 0.75 Male, M42 x 0.75 Female

    Cooled

    Colour or Mono

    Pixel size

    Sensor dimensions

    Resolution

    Sensor diagonal

    Quantum efficiency

    Read noise

    Fullwell capacity

    Bit depth

    FPS

    Camera backfocus

    Filter size

    Filter size

    Bandpass (FWHM)

    Bandpass (FWHM)

    Glass thickness

    Mount type

    Payload capacity

    Latitude range

    Dovetail saddle

    Slew speed

    Encoders

    Periodic error correction

    Counterweight shaft

    Azimuth adjustment range

    Internal diameter

    Illuminated diameter

    Compatible telescope external diameter

    Weight

    Length

    Width

    Height

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