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Astronomik Blue Type 2c Filter - 2" - M48

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AK-BLUE-2
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  • Regular price $159.95

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DESCRIPTION

Astronomik Blue Type 2c Filter - 2" - M48

Imaging Filter:

  • Type 2c
  • Blue in color
  • 2-Inch (48 mm) diameter
  • Round
  • Thickness: 1 mm
  • Mounted
  • Parfocal with other Astronomik filters

 

Astronomik Blue Type 2c filter - 2" - M48-graph

This filter is the Astronomik Blue Type 2c 2-inch (M48). Single filter from an RGB set.  Made in Germany. 

 

Their L-RGB Type 2c filter set is especially designed for astrophotography with CCD cameras. These filters provide a natural color reproduction of planets, stars, emission- and reflection nebulas. 

The transmission properties of the L-RGB Typ 2c filters are optimized for CCD astrophotography. The set allows to take images in correct color for all types of objects. Where other brands make strange compromises, we do the best color reproduction possible. Both stars as well as objects that emit only in spectral lines, are reproduced in their true colors. You get CCD images with perfect colors, as if the objects where bright enough to be seen with photopic vision. This feature is the main difference between Astronomik filters an those of other manufacturers.

The following aspects have been most important for the design of this  filter set:

- simple image processing for the user

- highest transmission (nearly 100%) for short exposure times 

- adjusted transmissions of the individual filters for optimal color reproduction

- the use of industry standards

Astronomik doesn't stop thinking at the step of taking the picture. More important a tool should be given to the astrophotographers that offers a simple and elegant editing process. To maintain the color, they calculated this filter set for the sRGB color space, that is used as an industry standard from most manufacturers of monitors, printers and imaging software. As a user you do not need to spend time to learn about colorimetry and color spaces. They have solved the special problems of astrophotography for you.

Due to the high-precision machining of the carrier substrate, these filters are parfocal with wedge errors below all usual margins. In order not to be the bottleneck in a high-quality optical system Astronomik filters are of course diffraction limited. Issues concerning focal distances as well as the exact location of the images of each color image are not a problem at all!

 

Main use: The L-RGB filter set divides the spectrum into its components red, green, blue, and luminance. Thus color separation can be achieved with pure b/w CCD sensors. The separation corresponds to the color sensitivity of the human eye according to DIN 5032. By using the sRGB color space it is possible to maintain the color of the image throughout the entire image processing and output. With an Astronomik L-RGB filter set and your camera you create ideal raw material for image processing in the sRGB color space.

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SPECIFICATIONS

ManufacturerAstronomik