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RGB-Splitting and Multi-Shot Techniques in Digital Photomicrography—Utilization of Astronomic RGB-Filters in True Color Imaging

Published online by Cambridge University Press:  14 March 2018

Jörg Piper
Jörg Piper*
Affiliation:
Clinic “Meduna”, Bad Bertrich, Germany
*
JPu.MP@t-online.de

Extract

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A great many filters in common use in astronomy are used in order to improve the resulting optical quality in observations and photographs [1-4]. The majority of these filters are also capable of improving image quality in microscopy and photomicrography. Several instances of this have already been reported in this magazine [5-6]. Some new types of RGB-CCD astro filters have recently been developed for multi-shot techniques [2]. These filters can also be regarded as interesting tools for photomicrography that can maximize the quality of true color imaging based on RGB-splitting and multi-shot techniques. The respective methods and their technical benefit are presented and discussed below.

RGB-splitting and multi-shot techniques are routine tools in some fields of professional studio photography and astronomical photography. They can lead to visible improvements in sharpness, resolution and color balance. To obtain maximum image quality, special multi-shot cameras can be used. These are fitted with a multi-shot sensor that does not require any color filters. Therefore, each pixel is sensitive for all colors and pixel interpolations are not necessary.

Type
Research Article
Information
Microscopy Today , Volume 17 , Issue 1 , January 2009 , pp. 48 - 51
Copyright
Copyright © Microscopy Society of America 2009

References

(1) Baader-Planetarium GmbH: Color filters, 2008 (in German), http://www.baader-planetarium.de/zubehoer/okularseitiges_zubeh/farbfilter.htm Google Scholar
(2) Baader-Planetarium GmbH: New RGB-CCD filters, 2008 (in German), http://www.baader-planetarium.de/zubehoer/okularseitiges_zubeh/filter_lrgbc/lrgbc.htm Google Scholar
(3) Custom Scientific, Inc: Filters for research astronomy, filters for amateur astronomy, 2008, http://www.customscientific.com Google Scholar
(4) Lumiconfilters: Best astronomical filters in the world, 2008, http://www.lumiconfilters.com Google Scholar
(5) Piper, J.: Utilization of astronomic filters in light microscopy and photomicrography, Microscopy Today, 15 / 3, 30–35, 2007 Google Scholar
(6) Piper, J.: Multicolor contrast effects by monochromatic astronomic filters – utilization in light microscopy and photomicrography, Microscopy Today, 16 / 5, 20–26, 2008 Google Scholar