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Description
TS-Optics 2" CCD Reducer 0.67xAt a glance The 2" CCD compressor reduces the focal length of telescopes with the factor 0. 67x, thus allowing significantly shorter exposure times. The focal reducer is perfectly suitable for RC telescope. It also works exceptionally well with Celestron EHD or Meade ACF telescopes or with refractors up to the focal ratio F 9 The image field of DSLR cameras up to APS C format is illuminated full illumination up to 29 mm Easy connection to the
At a glance
The 2" CCD compressor reduces the focal length of telescopes with the factor 0.67x, thus allowing significantly shorter exposure times.
♦ The focal reducer is perfectly suitable for RC telescope. It also works exceptionally well with Celestron EHD or Meade ACF telescopes or with refractors up to the focal ratio F/9
♦ The image field of DSLR cameras up to APS-C format is illuminated - full illumination up to 29 mm
♦ Easy connection to the telescope via 2" barrel
♦ Optimal working distance from the M48x0.75 thread to the camera sensor is 85 mm - enough space for accessories like off-axis guider or filter wheel
♦ 2" filter thread at the telescope side
Description
TS-Optics CCD telecompressor 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 EHD or Meade ACF telescopes, thus most flat-field telescopes. We especially recommend the compressor for the GSO / TS Optics / AstroTec Ritchey-Chrétien telescopes.The 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 and then the matching adapter from M48 to the camera.
♦ CCD cameras via T2 connection for reducing the M48 thread to T2
Specifications
Capacity |
|
| Focal length reduction | 0,67 |
| Connector (at camera end) | M48x0,75 |
| Connection (to the telescope) | 2" |
| Backfocus (mm) | 85 |
| Free transmission (mm) | 44 |
Special features |
|
| Filter thread | yes |
General |
|
| Type | Flatteners, Correctors, Reducers |
| Type of build | Reducer |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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★★★★★ 5
Great product
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Reviewed in the United States on March 16, 2026
★★★★★ 5
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Exceptional Quality for Professional Presentations
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Reviewed in the United States on April 25, 2025
★★★★★ 5
Great color for presentations
This paper feels very substantial and high-quality. It has a super bright finish that makes colors pop, and it never jams in my printer. Ideal for professional documents or presentations.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
My go-to paper for my Junk Journaling printing
Size: 1 Ream | 500 Sheets, Style: Letter (8.5x11)
This is my go-to paper for printing out my junk journal printables. Unfortunately, my HP Smart Tank 7600r doesn't handle cardstark gracefully but this paper is a very good substitute. The ink pops nicely giving the amazing images a quality ground they deserve.
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Reviewed in the United States on May 10, 2026