Flat Box Geoptik 210mm

Image calibration is a very important step in the processing of an astronomical image.
Raw images are images of a celestial object captured by DSLR or Astronomical Camera.
Each pixel of the images will have a numerical value which includes the following characteristics:

•         Light from celestial objects in the field of view.
•         The different types of noise generated by the sensor.
•         Optical system faults.
•         Sensor inhomogeneities (pixels more or less sensitive to light)
•         Optical vignetting (image is darker away from center)
•         Dust on the sensor window
•         Internal thoughts

The Flat screen allows the realization of calibration images which allow the removal of vignetting and dust induced by an optical system.
the FLAT Geoptik screen has a rheostat to adjust the light intensity.
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With its three plastic screws, you can attach it to telescopes with a diameter of 156 to 210 mm