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TS-Optics REFRACTOR 0.8x Corrector for TS 102 mm f/7 CF Apo


The corrector and focal reducer is designed for the TSCFAPO102 and allows astrophotography through this telescope.

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In Short:

  • Suitable for the TS 102 mm f/7 CF Apo and similar telescopes
  • The focal length is reduced to 80% and the focal ratio is improved - f/7 becomes f/5.6
  • The corrector is designed for cameras up to full frame format
  • Connection at the telescope side via M92x1 thread (suitable for TSCFAPO102)
  • Connection at the camera side via M48x0.75 photo thread
  • Intermediate thread M72x1 for individual adaptations
  • Working distance is 55 mm from M48 thread, ideal for DSLR, system cameras and astro cameras
  • 2" filter thread for connection of nebula filters is available

TS 0.8x Field Corrector for the CF-Apo 102 mm f/7

The corrector is designed for this apochromat and brings optimal astrophotographic results. Cameras up to full frame can be used and the star images are pinpoint up to the corners. In addition, the focal length of the apo is reduced to 571 mm. The focal ratio improves to f/5.6, saving about 36% in exposure time over a 1.0x flattener.

The connection of cameras to the corrector:

On the camera side, the corrector has an M48x0.75 male thread. This thread provides 15% better illumination than T2. Therefore we can recommend the corrector for all cameras up to full frame. The working distance is exactly 55 mm from the thread. For all astro cameras there are suitable adapters for this thread and distance. We are happy to advise you.

The corrector offers an M72x1 intermediate thread for individual adaptations, for example via M68x1, if you want to use a large off-axis guider, for example. We offer suitable adapters.

Thread for 2" nebula filters available:

If you unscrew the camera adapter from the corrector, you have a 2" filter thread on the inside. There you can use nebula filters for contrast enhancement or IR cut filters. The working distance is not changed.

[[The connection on the telescope side:}]The corrector has an M92x1 male thread on the telescope side. With this thread, you can screw the corrector directly into the focuser of the TS CF apo. No tilting is possible and the star image remains optimal.


  • Type: Corrector for astrophotography
  • Reduction: 0.8x
  • Telescopic side connection: Male thread M92x1
  • Camera side connection: External thread M48x0.75, length 4.5 mm
  • Intermediate thread: Internal thread M72x1 on corrector
  • Backfocus: 55mm from M48 / 76.5mm from M72 thread
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AsiAir compatible ZWO cable for 2 heating resistors RCA connectors

TS-Optics REFRACTOR 0.8x Corrector for TS 102 mm f/7 CF Apo

The corrector and focal reducer is designed for the TSCFAPO102 and allows astrophotography through this telescope.

Write your review
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