LRGB Filter Set, 1.25"
#5563
The Orion LRGB filter set includes luminance, red, green, and blue filters which allow you to create stunning composite color images of
II.You’ll be amazed at the amount of detail a LRGB filter set can add to your monochrome imaging pursuits.
Celestial objects such as nebulae and galaxies look very different when observed or imaged in specific colors of light. Different processes and structures within celestial objects emit light of varying color. Certain features and details will seem to “pop out” of objects when viewed or imaged with wavelength- specific filters. The Orion LRGB filter set allows you to isolate red, green, and blue light for imaging purposes. Additionally, the
Since monochrome imaging systems like the Orion StarShoot Monochrome Imager II are sensitive to all visible light, they require a LRGB filter set in order to produce detailed color images. Just like the human eye synthesizes color images using red, green, and blue receptors, monochrome imaging systems can create color images by using varying proportions of the three colors. You will have to image an object through all of the LRGB filters and then combine and process them afterwards to obtain a detailed color image.
All Orion LRGB filters have been made to cut out infrared (or IR) wavelength light which can detract from image quality. CCD cameras are also sensitive to unwanted IR light which can eas- ily contaminate the resultant image combination. Each Orion LRGB filter blocks all infrared light with a wavelength above 690nm which makes creating sharp images even easier.
Orion LRGB filters are dichroic and utilize microscopic
Using the LRGB Filter Set
For most convenient use of the LRGB filter set we recommend the Orion Multiple Filter Wheel. The filter wheel allows you to quickly change the filter in the light path without the sometimes frustrating process of removing the imaging system every time a different filter is needed. Due to their parfocal design, you will generally not need to refocus your telescope when switching between filters. To use the LRGB filter set with the filter wheel simply thread all four filters into the filter wheel tray as described in the wheel instructions. You can now switch between LRGB filters by rotating the knurled wheel. Contact Orion Customer Service / Sales at
You do not have to use a filter wheel to utilize the LRGB filter set. In order to image through each filter without the filter wheel, you will need to remove your imager and swap filters for each different color and luminance exposure. Install a filter by threading it onto the inserted “nosepiece” section of the imager. With the filter installed, all light collected by the imager will be filtered appropriately.
As most imaging systems are not equally sensitive to all wave- lengths of light, exposure times may vary for each of the LRGB
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Providing Exceptional Consumer Optical Products Since 1975 | 89 Hangar Way, Watsonville, CA 95076 | ||
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IN 321 Rev B 02/09