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TS-Optics 2" 0.67x CCD Reducer for RC & Flatfield Telescopes between f/8 - f/18

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0.50 kg
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including VAT 20.00 % ( £29.83 )


TS-Optics CCD telecompressor (reducer) for Ritchey-Chrétien and other F/18 to F/8 telescopes

The TS telecompressor CCD47 was developed for reducing the focal length of RC (Ritchey-Chrétien) telescopes. Practical tests have also shown an excellent suitability for all telescopes with flat field, like apochromats with built-in corrector lens, Celestron Edge HD or Meade ACF telescopes, thus the most flat-field telescopes. We especially recommend the compressor for the GSO / TS-Optics / AstroTec Ritchey-Chrétien telescopes.

SPECIAL PROMOTION: if a TS-Optics RC telescope is purchased at the same time from 365Astronomy, you get this high quality reducer for a special price of £79 if the RC is above £1000 and £94 when the RC is less than £1000.

Features of the CCD47 telecompressor:

  • Barrel size is 2" - easy connection to all focusers with 2" receptacle
  • With thread for 2" filters at the telescope side
  • Camer aconnection via M48x0.75 thread
  • Optimal working distance from the connection thread: 85 mm to the camera sensor. Between 70-90 mm, the results are very good.
  • Reduction by 0.67x - an RC with F/8 changes to fast f/5.3. A telescope with F/10 still turns into F/6.7. The exposure time will be more than halved!
  • An illuminated image field of 29 mm allows using all camera sensors up to APS-C format.

Adapter recommendations:

With the long working distance, adaptation of all common cameras, no matter whether CCD or DSLR, is possible without any problems. Some examples of applications:

  • DSLR camera - adaption via M48: TSVF230 and then the matching adapter from M48 to the camera, like the SKM48-EOS for connecting a Canon EOS
  • CCD cameras via T2 connection: two adapters are possible for reducing the M48 thread to T2:
    • TSFA2 - adapter to T2 with 38.2 mm length. This is used for bridging optical path.
    • TSM48-T2 - a short adapter with only 3.5 mm length. This is applied if accessories like off-axis guider and filter wheels should be used.

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