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BAADER PLANETARIUM FILTERS
BAADER MOON & SKYGLOW FILTER-1.25" #2458305
See Extended Information for Full Description
List Price: $110.00
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Baader Planetarium Moon & Skyglow (Neodymium) filter is based on research at Zeiss, Neodymium glass filters out a few wavelengths from streetlights & skyglow from the Moon. Boosts color contrasts w/RGB enhancement. Leaves natural colors intact & enhanced.
--1.25" and 2" avail.
The Baader Planetarium Moon & Skyglow (Neodymium) filter brings an entirely unique approach to planetary contrast enhancement and light pollution reduction. Based on earlier research at Carl Zeiss, Baader has developed a new filter that uses Neodymium glass which filters out a few specific wavelengths from streetlights as well as skyglow from the Moon. The unique spectral characteristics of Neodymium also boost color contrasts by isolating the Red, Green, and Blue regions (so-called RGB enhancement). The result is a filter that leaves natural colors mostly intact, but significantly enhanced.
Planetary and Lunar views are improved in all scopes, reflectors, refractors (APO or Achro). Jupiter's Great Red Spot and ruddy hues of the bands are noticeably enhanced, and contrast of Martian surface features significantly boosted. The Background sky is darkened, and subtle details improved. The filter's high efficiency preserves image brightness, and many Galaxies, Nebulae and Globular Star Clusters are improved due to the reduction of skyglow from artificial lighting.
The high quality of Baader Planetarium filters permits stacking with no image degradation. Achromat owners will find the combination of Moon & Skyglow and the new Fringe Killer filter to be ideal for planetary viewing. The high light throughput and natural coloration will make achromats perform more like an apochromat. An integrated version is also now available, the Semi-APO filter.
The filter substrate is a special custom melt of Neodymium doped glass, designed for specific transmission characteristics, and made only for Baader Planetarium. In addition to it's unique spectral characteristics, unlike most filters, the Baader Moon & Skyglow surfaces are optically polished to deliver the best possible image sharpness and contrast.
The images below demonstrate the large contrast improvement on Mars. The image on the left was taken without filtration, while the image on the right was taken through a Moon & Skyglow. The Moon & Skyglow image shows significantly higher contrast and surface features barely visible without the filter. Both images were acquired identically, without any contrast enhancement, and give a very good idea of the planetary contrast improvement that is seen visually. The Moon & Skyglow never leaves our own telescopes when observing the planets and moon.
Selective contrast enhancing filter, especially
suitable for all reflector type telescopes and
true Apochromates. (Economy refractor owners
might consider the Contrast-Booster Filter
instead, featuring an additional dielectric UVblocker,
to eliminate the unfocused blue part of
Transmitts a maximum of light (– after all LIGHT
is “the hottest commodity” in this astronomy
business...), while blocking unwanted skyglow
and many street light emissions.
Especially effective on small economy telescopes
which cannot benefit from expensive narrowband
nebula filters due to the huge light-loss
Unique selective blocking feature of the
NEODYMIUM element greatly reduces glare,
without reducing recognition of important color
and brightness variations.
Transmission within the selected wave bands
Fits all standard filter threads,
Longs to be combined with an UV/IR-Cut-Filter
for all CCD and digital camera work.
This combination works extremely well
due to cutting all unfocused light – an absolute
MUST for digital imaging.
Planeoptically polished! Retains full image
resolution – even at highest magnification, way
above 200 times, or during eyepiece projection
work – even in front of a binocular viewer.
Ultrahard and durable Ion-beam hardened
coatings, may be cleaned anytime without fear.
No image degradation as with ”flame polished”
Available in 11⁄4“ and 2“ size at very affordable
Non-vignetting filter cells, larger in aperture than
any competing design, featuring a CNC milled
“crown” for ease of handling and attachment.
BAADER O-III NEBULA FILTER-1.25" #2458395
BAADER MOON & SKYGLOW FILTER-2" #2458334
BAADER CONTRAST BOOSTER FILTER-2" #2458365
BAADER O-III NEBULA FILTER-2" #2458396
BAADER FRINGE-KILLER FILTER-1.25" #2458370
BAADER UHC-S NEBULA FILTER-1.25" #2458275
BAADER FRINGE-KILLER FILTER-2" #2458375
BAADER CONTRAST BOOSTER FILTER-1.25" #2458360
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