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Baader 1.25" LRGB CCD Filterset

Baader 1.25'' LRGB CCD Filterset
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Price:  £215.00(Inc. 20% VAT)Earn 215 Loyalty Points
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Model:  2458472
Brand:  Baader

Availability:  

  

Low Stock, Please Confirm Before Ordering



2 Year Warranty On All New Items



Set of LRGB filters
Ultra high contrast impermeable RGB-Filter, IR-blocked
NO halos, NO reflections, NO ghosting
non-ageing sealed coating edges

Description
This high quality four (4) set of filters from Baader are for astroimaging purposes.

Mechanical Properties
Parfocal and plane polished substrates. Each individual filter is optically fine-polished to 1/4 wave.
Baader LRGB filters are hard coated individually.
Baader filters especially are not cut out of large size plate-glass, which is a typical manufacturing process for economy filters (cut-out filters exhibit micro-cracks around all edges. Capillary action between glass and coating layers will lead to premature ageing due to moisture deposition).
All Baader filters have individual coating sealed edges, impermeable against ageing because the the penetration of moisture impossible.
Baader filters are being tested repeatedly to comply with MIL-specifications. One common process is to boil the test specimen for one hour in salt water. Baader filters remained completely intact as opposed to filters drilled out of large glass plates.
All Baader filters sport scratch resistant hard coatings which can be cleaned repeatedly throughout their entire lifetime as many times as needed – preferably with Baader Optical Wonder cleaning fluid.

Optical Properties
No reflections when compared to competing RGB-filter recipes.
Balanced RGB-design offer 1:1:1 exposure times for most telescope optical systems – an important benefit when imaging in automated mode.
Maximised colour contrast for each of the three RGB channels – achieved through steep slopes at all transmission curves combined with science approved placement of spectral window.
O III emission line double-weighted in the B and G channel as well, with maximum peak transmission for unparalleled deep sky S/N yield
R-Filter provides maximum transmission of H-alpha and S II emission but at the same time completely blocks all NIR and IR from 680 out to 1200 nm
Blocking of Mercury and Sodium vapour lamps at 580 nm in the G and R filters blackens the sky background and maximises colour balance and colour separation.

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Some items that are showing as in stock are in stock at our holding warehouses, not at the shop. To double check the stock levels at the shop, please contact us on 01909774369 or sales@rothervalleyoptics.co.uk.

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Rother Valley Optics

01909774369
sales@rothervalleyoptics.co.uk

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- - - Rother Valley Optics Ltd

01909 774 369
sales@rothervalleyoptics.co.uk