0.72x Quad Telecompressor Corrector for TEC Refractors and 130GTX or upgraded 130EDFGT (various versions available)

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0.72x Quad Telecompressor Corrector for TEC Refractors and 130GTX or upgraded 130EDFGT (various versions available)
€ 2,205.00 Price excl. German VAT tax (19%): € 1,852.94
  • 0,72x Telekcompressor Corrector of Astro-Physics for TEC 140 ED/160 FL/180FL and 130mm f6.3 StarFire GTX  Refractor or upgraded 130EDFGT
  • reduces the focal length until 900 mm and gives you a focal ratio of f/5
  • incl. different backfocus spacer
  • 0,72x Telecompressor Corrector Accessory Adapter is needed

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€ 2,205.00 Price excl. German VAT tax (19%): € 1,852.94

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0,72x Telecompressor Corrector of Astro Physics

 Reducer/Korrektor

0,72x Telecompressor Corrector for TEC Refractors:

  • This Reducer/Corrector reduces the focal length of the 140 ED from 980 mm to 700 mm and gives you a focal ratio of f/5. For a full frame camera (24 x 36 mm), this results in a field of view of 3 x 2 degree at an image circle of 50 mm, diffraction limited and free of vignetting.
  • This Reducer/Corrector reduces the focal length of the 160 FL from 1.120 mm to 800 mm and gives you a focal ratio of f/5. For a full frame camera (24 x 36 mm), this results in a field of view of 1.7 x 2.6 degree at an image circle of 50 mm, diffraction limited and free of vignetting.
  • This Reducer/Corrector reduces the focal length of the 180 FL from 1.260 mm to 900 mm and gives you a focal ratio of f/5. For a full frame camera (24 x 36 mm), this results in a field of view of 1.5 x 2.3 degree at an image circle of 50 mm, diffraction limited and free of vignetting.

 0,72x Telecompressor Corrector for 130 GTX or upgraded 130EDFGT:

  • This Reducer/Corrector reduces the focal length of the 130 GTX from 820 mm to 585 mm and gives you a focal ratio of f/4.5. For a full frame camera (24 x 36 mm), this results in a field of view of 3.5 x 2.4 degree at an image circle of 50.2 mm, diffraction limited and free of vignetting.
 Reducer/Korrektor

As with all optical systems which change the focal length, the distances between lenses and camera sensor have to be kept as exact as possible. This is why there are several camera aptations available for this flattener.

There is a special backspacer ring available for this Field Flattener. Its optical length is exactly 16 mm. The necessary distance from the back of this backspacer to the image plane is 80.8 +/- 2.5 Millimeter. To attach your camera, you need one of the following five adapters. If you require more backfocus, you can leave out the backspacer - then, the required backfocus is 96.8 +/- 2.5 mm. Flattener and backspacer do end in a 3.3 inch male thread. The backspacer is included with the Reducer/Korrektors.

 Tec Adapter; width=

To adapt the new reducer/corrector to a TEC refractor, you must replace the end piece of the focuser. Simply unscrew the original end piece and replace it with the new one. The required adapter has got the order number #140 5375 and must ordered on its own. It is NOT included with the reducer/corrector.

To attach accessories (CCD camera, optical accessories etc.), the following six adapters are included with the reducer:

  • Canon EOS
  • SBIG STL mit 5fach Filterrad
  • SBIG STL mit 8fach Filterrad
  • 2 Zoll Aufnahme
  • QSI 500/600 Kameras
  • Zeiss M68 Adaption

If you have any questions about attaching your accessories, please give us a call or send us an email.

 

Specifications

Additional Information

Manufacturer Astro Physics
SKU (#) ap-telecompressor
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