Baader LRGB CCD Filter Set - 2" Mounted - FLRGB-2 is no longer available.

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This Baader LRGB CCD Filter Set Includes Four High-Performance Filters!

  • 2" luminance (L) filter
  • 2" Red filter
  • 2" Green filter
  • 2" Blue filter
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  • Description

    Baader 2" LRGB CCD Filter Set

    This LRGB CCD Filter Set by Baader Planetarium will show you enhanced color separation and image quality without troublesome halos. These LRGB Filters were produced using a thorough testing program and coating-stack design. Baader has partnered with the world's leading thin film coating company to produce transmission curves that border on the ideal. This set contains four round 2" filters: one luminance (L) filter, and one each, red, green, and blue filter.

    Their ultra steep cutoffs and high transmission, >95% allowed Baader to achieve something no other RGB filter set has, - they are able to effectively separate the important H-Beta and O-III lines. The Baader Blue filter passes virtually all of the H-Beta lines, while the Green filter is able to capture all of the O-III line, without encroaching into the H-Beta line. None of the light is wasted by either filter. In this way, O-III is represented as it should be, a teal (blue-green) color, and H-Beta is captured solely in the blue. This novel degree of separation is achieved, along with high transmission for both lines. In addition, the Green and Red filter passbands nearly touch, leaving only a sharp notch to block out the primary Mercury/Sodium light pollution line at 580 nm. The high transmission everywhere else delivers the shortest combined exposures possible with every detector.

    The high optical quality of the Baader narrowband filters guarantees no loss in sharpness or contrast. Each substrate is fine-optically polished plane parallel to deliver a smooth and accurate 1/4 wavefront over the entire surface. Each filter is blocked and polished individually, not cut out of a larger plate of glass. The special custom polishing operation sets Baader filters apart from other filter manufacturers.

    Coatings are professionally applied in Germany by the most sophisticated equipment available today, ensuring high consistency for bandpass cutoffs, transmission, and out of band blocking. The anti-reflection coatings are evenly balanced on both sides of the filters to reduce surface stresses and prevent deformation of the substrates. The ultra-hard ion beam deposition ensures the coatings will never degrade from use or normal cleaning. Baader coats each filter individually. Baader filters remain sealed at their coating edges for a long life without degradation. Though more costly, this process avoids coating failures resulting when filters are "biscuit cut" from bulk-coated sheet glass, leaving ragged edges for moisture to penetrate, and cause coatings to peel. Baader filters are intended for a lifetime of real-world use!

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    What's Included

    • 2" luminance (L) filter

    • 2" Red filter

    • 2" Green filter

    • 2" Blue filter

  • Dimensions & Specifications

    • Filter Size: 50.8 mm (2")

    • Filter Type: LRGB Imaging

    • Filter Shape: Round

    • Mounted or Unmounted: Mounted

    • Filter Set Contents: Four round 2" filters - one luminance (L) filter and one each red / green / blue filter

  • Product Guarantee

    We stand behind all the products we sell, and your satisfaction is our top priority. If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery.

    Manufacturer Warranty

    This product has a 2 year manufacturer's warranty against defects is provided. If you have specific questions about this product's warranty please contact Alpine Astronomical's Customer Service department by email at service@alpineastro.com.

    Return & Exchange Policy

    At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange. Simply ensure that the item is returned in its original product packaging within 30 days of delivery.

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