Baader LRGB CCD Filter set

Our Price:  £198.00(Inc. 20% VAT) Notify me when this item is available Choose:    LRGB 1.25" (mounted):  £198.00  LRGBC 1.25" (mounted):  £219.00  LRGB 36mm (unmounted, 2mm glass):  £249.00  LRGBC 36mm (unmounted, 2mm glass):  £275.00  LRGB 2" (mounted):  £319.00  LRGBC 2" (mounted):  £349.00 Model:  Baader_lrgb_125 Brand:  Baader Tweet

A NEW line of premium quality Baader LRGBC filters that compliments Baader's narrowband emission line filters (H-beta/OIII/H-alpha/SII).

L UV/IR Cut

R Red

G Green

B Blue

C Clear-Glass-Filter

Note: The LRGB filters include IR-block coatings so the clear filter is necessary if you wish to image the full spectrum, including IR, otherwise you need only order the LRGB filters. All the filters, including the clear filter, are very nearly parfocal so there is little or no need to refocus between filter changes.

LPFC Low Profile Filter Cells

Full details HERE

In use at the Panther Observatory

Mechanical Properties:

• The only high quality filters planeoptically polished to 1/4 wave and parfocal.
  
• 2mm glass thickness and LPFC Low Profile Filter Cells
  
• Baader LRGBC filters have elaborate anti-reflection coatings for superior performance.
• Each filter is coated separately, not just cut or bored from a large coated plate. Individual hard coatings ensure sealed edges that are impermeable to moisture (bored filters have the coating microcracked all around the edge).
• Baader filters feature hard coatings that may be cleaned with Baader Optical Wonder fluid without scratches. 

Optical Properties:

• Less reflections than competing designs.
• RGB-imaging allows equal weighting factors for each channel, very important for automated imaging.
• Designed for maximum contrast and with extremely high gradients for clear differentiation of colours.
• OIII emission overlaps on B/G-filters with maximum transmission to allow efficient and natural colour imaging.
• R-filter delivers maximum transmission for H-alpha and S II while efficiently cutting IR.
• Gap between G/R-filters serves to reduce light pollution from Mercury and Sodium lamps and improves colour balance and separation.

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