Teleskop Service 1.0x Flattener/Corrector for Refractors - 2-inch Connection

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• The Teleskop Service TSFLAT2 provides the astrophotographer with professional-grade field correction for APOs, EDs, and other refractors. Suitable for refractors from f/4 to f9.

  Compared to other 2-inch Correctors:

  • Better illumination even with full-format sensors.
  • Generous working distance between 108mm and 128mm, based on telescope's focal length.
  • M48x0.75 to 2-inch filter thread connection available.
  • Can be adapted for visual setups. 

  Recommended Working Distance by Focal Length:

  • Less than 450mm Focal Length = 128mm
  • 450-490mm Focal Length = 123mm
  • 500-550mm Focal Length = 118mm
  • 560-590mm Focal Length = 116mm
  • 600-690mm Focal Length = 113mm
  • 700-790mm Focal Length = 111mm
  • 800mm Focal Length = 108mm

  Falling below or exceeding the distance by up to 5% has no visible effect on the field sharpness with sensors up to APS-C format. With larger sensors, the tolerance is reduced to 1-2%.

• included items

  • Teleskop Service 1.0x Flattener/Corrector for Refractors - 2-inch Connection