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Optolong Kit LRGB 36mm

US$ 238.34

Not in Stock: will Be Backordered

Short Description

The LRGB filter kit is designed for maximum contrast and with extremely high gradients for a clear differentiation of light colors

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Description

Details

The LRGB filter kit is designed for maximum contrast and with extremely high gradients for a clear differentiation of light colors
This kit of filters divides the spectrum into 4 components: red, green, blue and luminance
The OIII emissions overlap the blue and green filters with the maximum transmission to allow images with very high efficiency and natural colors.
The space between the green and red filters is used to block the primary line of pollutantly bright sodium from 589nm and improves balance and color separation.
The white line in the graph is that of luminance.


Main use and benefits

They work very well with monochrome CCD and CMOS cameras
Suitable for DeepSky and planetary imaging
RGB imaging allows equal factors for each channel, very important for imaging
The raw material for sRGB images is fully available with the LRGB filter kit with monochrome cameras.

Technical features.

  • Schott substrate material
  • Thickness 2.0 mm
  • Surface Quality: 60/40 (Refer to MIL-O-13830)
  • Fine-optically polished to ensure accurate 1/4 wavefront and <30 seconds parallelism over the both surfaces
  • 95% transmission at bandpass
  • Infrared wavelength 700 to 1100 nm cut-off
  • Precision off-band blocking

Coating Parameter

  • Multi-layers anti-reflection coating
  • Non-cementing optical substrate coating
  • Electron-beam gun evaporation with Ion-assisted deposition coating technology for durability and resistance to scratching, as well as stability on CWL(central wavelength) no deviation affected by temperature change
  • Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass-band and Optical density of off-band

Filter Cell

  • Ultra-thin filter cell minimize vignetting by maximize possible clear aperture (clear aperture is 26 mm for 1.25-inch; 45 mm for 2-inch)
  • Aerometal Material 
  • Precise CNC Machining 
  • Sand Blasting Process 
  • Black Anodized Finish 
  • Extinction Treatment to Prevent Reflection 
  • Laser Engraving No Fading

 

Additional Information

Additional Information

ManufacturerOptolong
NameOptolong Kit LRGB 36mm
MPNLRGB-36
EANN/A
Warranty2 Years
-- TECHNICAL FEATURES --⬇︎
Diameter36mm unmounted

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