Astrozap AstroCap Focusing Cap - 11" SCT

Astrozap AstroCap Focusing Cap - 11" SCT
Item # AZ-412
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  • Achieve perfect focus with the Astrozap Astrocap with integrated Bahtinov Focusing Wheel!
  • The Astrozap AstroCap also functions as cover for your dew shield or optical tube assembly when wheels are closed.
  • Open the Astrocap focusing wheels with the turn of a thumbscrew when you are ready to focus an image. Close the wheels when you wish to image dark frames with your CCD camera.
  • The Astrozap AstroCap is made of aluminum, and no tools are required!
  • This AstroCap fits the tube assembly or aluminum dew shield of a 11" SCT with a diameter of 298mm - 316mm.


Astrozap AstroCap for 11" Schmidt Cassegrain Telescopes

Unlike a simple Hartman or Bahtinov mask, the Astrozap focusing cap is a multi-purpose tool which allows for quick 'shutter-like' operation. Just turn the wheel on the Astrozap Focusing Cap to the open position for focusing, or turn it to the closed position to keep the dust out, or to image dark frames with your CCD or DSLR camera.

The Bahtinov focusing wheel can be easily removed and replaced with an off-axis wheel for off-axis viewing, or with an off-axis solar filter wheel for solar viewing on larger telescopes.

Astrozap AstroCap for 11" Schmidt Cassegrain Telescopes Features

  • Simply turn the thumbscrew to the open position, and turn to close.
  • No plastic plugs required, and no tools needed.
  • Optional wheels for off-axis viewing and off-axis solar viewing available for larger telescopes.
  • Astrozap focusing caps are made from lightweight aluminum and powder-coated texture black.
  • This model is sized to fit a 11" Schmidt-Cassegrain Telescope or dew shield with a diameter of 298mm to 316mm.
Astrozap Product Number: 412
Additional Information

Additional Information

SKU AZ-412
Manufacturer Astrozap
Focuser Design Bahtinov - Grid
Focuser or Mask Size 9" - 12" Mask
Warranty 1 Year Warranty
Included Items

Included Items

  • Astrozap 11" SCT AstroCap with Bahtinov Focusing Wheel
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