Optolong LRGB 2" Filter Set

LRGB Filter Set - Astrophotography with Monochrome CCD Cameras

Four filters for a color image: With the LRGB filter set you can photograph the sky in color with a monochrome chip. Monochrome CCD astronomical cameras capture deep-sky objects at high resolutions because all the pixels on the chip work for the same image. With color CCD chips, the resolution is reduced because ⅓ of the pixels are used for the color image.

With a set of LRGB filters and a monochrome camera you can use all the chips for high resolution shots.

Entrega entre 8 y 10 días laborables
Entrega entre 8 y 10 días laborables

L - The luminance filter

The luminance filter lets all visible light through and blocks the near sector of UV and IR light. Therefore, with the luminance filter, all the information of the object is captured.

RGB - each filter has its own task

The three letters of RGB indicate three different colored filters thanks to which color images are obtained. The colors that we perceive derive from the basic colors Red, Green and Blue, from these all the colors that we know are generated. Even our eyes mix all the colors of our world with internal RGB receptors (or filters).

During the image processing phase, the four images of the LRGB channel are combined. This is how the color image is generated.

Tip: To shoot with the LRGB filter set, use the Omegon Filter Wheel to change filters in seconds.

The advantages at a glance:

LRGB filter set for color images with monochrome CCD cameras

Full chip resolution thanks to four different color filters

Durable: scratch resistant coating

Natural colors for deep sky objects and planets



Connection 2"
Frame  2" 
Mount material Aluminium
Coating of optical system  multiple (plane-parallel)


Type Filters 
Type of build L-RGB Filters

Area of application

Useful for photographs yes
Galaxies and star clusters yes
Anti light-pollution no
Nebulae & galaxies yes
Planetary nebulae yes
Supernova remains yes
Visually useful no
Hydrogen nebulae yes
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