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Home Filters Astro Imaging Filters SkyTech LPRO MAX 2 Inch CCD Filter
The SkyTech LPRO-MAX is a premium filter designed to improve the visibility of objects visually or when imaging, by blocking light pollution, while transmitting light from objects otherwise hidden. It is the best option for imaging in moderate light pollution as the design helps retain natural colour balance.Camera compatibility: SkyTech LPRO-MAX filters are suitable for colour and mono CMOS and CCD cameras. LPRO-MAX blocks UV and IR light, for sharper stars. LPRO-MAX special coatings are more complex to make than UHC and CLS coatings, therefore the cost is higher than these filters, however they transmit all the usual emmission wavelengths, with the added bonus of allowing more starlight and reflection nebulosity though. Mono cameras can also be used with the LPRO-MAX to capture Luminosity channel in LRGB imaging in light polluted areas. The LPRO-MAX 2" filter is compatible with the Altair Hypercam series CMOS cameras and telescopes (the LPRO-MAX screws into the front 2" nosepiece of the camera or a 2" eyepiece / adapter), as well as the Hypercam DSLR lens adapter (the LPRO-MAX 2" filter fits inside the housing behind the lens, protected from dust). Visual use: LPRO Max provides a more contrasty view than CLS and UHC filters, and is a better choice for visual use where one desires to see galaxies and stars as well as nebulosity. Due to the wider band transmission, the LPRO-MAX filter is suitable for viewing deepsky objects with smaller aperture telescopes. Being a 2 inch filter this is ideal for widefield with large fields provided by wide angle 2 inch eyepieces.
The SkyTech LPRO-MAX is a premium filter designed to improve the visibility of objects visually or when imaging, by blocking light pollution, while transmitting light from objects otherwise hidden. It is the best option for imaging in moderate light pollution as the design helps retain natural colour balance.Camera compatibility: SkyTech LPRO-MAX filters are suitable for colour and mono CMOS and CCD cameras. LPRO-MAX blocks UV and IR light, for sharper stars. LPRO-MAX special coatings are more complex to make than UHC and CLS coatings, therefore the cost is higher than these filters, however they transmit all the usual emmission wavelengths, with the added bonus of allowing more starlight and reflection nebulosity though. Mono cameras can also be used with the LPRO-MAX to capture Luminosity channel in LRGB imaging in light polluted areas. The LPRO-MAX 2" filter is compatible with the Altair Hypercam series CMOS cameras and telescopes (the LPRO-MAX screws into the front 2" nosepiece of the camera or a 2" eyepiece / adapter), as well as the Hypercam DSLR lens adapter (the LPRO-MAX 2" filter fits inside the housing behind the lens, protected from dust).Milky Way wide field imaging: The LPRO-MAX specially tuned passband gives an even more natural colour rendition than CLS or UHC filters because it allows more starlight through than UHC and CLS filters, giving a more natural looking milky way. Less post-processing is required to eliminate colour casts when using the LPRO-MAX. Visual use: LPRO Max provides a more contrasty view than CLS and UHC filters, and is a better choice for visual use where one desires to see galaxies and stars as well as nebulosity. Due to the wider band transmission, the LPRO-MAX filter is suitable for viewing deepsky objects with smaller aperture telescopes. Being a 2 inch filter this is ideal for widefield with large fields provided by wide angle 2 inch eyepieces.Technical Specifications:Precision machined aluminium housing with standard "Astro" 2" filter thread (M48x0.75mm thread pitch).Schott glass substrate material with a precision polished optical surface.Glass thickness 1..85 mm.Surface Quality: 60/40 Fine-optically polished 1/4 wavefront and < 30 sec parallelism over both surfaces95% transmission of main nebula emission lines (i.e. Ha 656nm, OIII 496nm & 500nm, SII 672nm and H-beta 486nm).0.1% transmission of off-band, specifically the major emission lines of artificial light pollution (i.e. Na 589nm, Hg 435nm and 578nm). Dichroic Filter Coatings:Multi-layer anti-reflection coating (AR Coat). with an additional UV IR Blocking layer. Special high homogeneity coating process with electron-beam gun evaporation and Ion-assisted deposition coating technology for durability and resistance to scratching, as well as stability on CWL (central wavelength), no deviation with temperature change.
Excellent service. The service is very quick, ordered Wednesday morning, it arrived Thursday morning. I've used the filter once so far on the Pinwheel Galaxy And found it to do what it says in the shops writeup. Recommended for galaxies and milkyway. (01/05/2022) -
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