The Astronomik ProPlanet 807 filter is a deal addition to the Astronomik ProPlanet 742 for imaging the moon and planets, with telescopes larger then 10" (250mm) when the seeing is poor. This filter is an ideal complement to the planet IR Pro 742 for use with converted DSLR cameras, CCD cameras and Webcams. The effects of seeing are distinctly reduced. It is your entry into previously unknown dimensions of photography of the moon and the planets.
Astronomik Planet IR Pro 807 Filter - 36mm Round Mounted
The planet IR Pro 807 only allows infrared light with wavelengths of more than 807 nm to pass. In this wavelength range the effects of seeing are significantly lower than in the visible spectrum of the human eye. This allows much sharper images than are usually obtained from your device and location. Another advantage is that the sky background of advanced dawn is dark and even allows photography of planets and moon at daylight.
The Astronomik ProPlanet 807 cuts off the visible part of the spectrum and allows the light of wavelengths longer then 807nm to pass. Due to this behavior the part of the spectrum that is most sensitive to bad seeing is rejected. This approach does a big improvement to the imaging of planets and the moon. The image is more steady than the image in the visible light.
The Astronomik ProPlanet 807 has other uses, too. It is designed to be an addition to the Astronomik ProPlanet 742, if the seeing is extremely bad and a larger telescope is used. For most cameras the exposure times doubles, compared to the Astronomik ProPlanet 742 or imaging in visible light, if the Astronomik ProPlanet 807 is used. It also darkens the background during twilight, allows imaging of bright planets, stars and comets by day and promotes imaging of young stars in dust clouds and stellar nurseries. (If the seeing is not so bad or if the telescope is smaller than 10" (250mm) we recommend the use of the Astronomik Planet IR Pro 742.)
Now Mounted in Low Profile Non-Threaded Cell
Sometimes unmounted filters can be hard to handle. The smaller diameters, such as this 36 mm ProPlanet filter, can be especially difficult to pick up and insert or remove from the filter wheel, and that can lead to possible damage as well as unwanted reflections from incorrectly installed filters. Astronomik has solved this problem by mounting their 31 mm and 36 mm filters in a low profile (3 mm) non-threaded cell. O-rings, washers, or spacers are no longer required to hold the filter in place, and because the cell is only 3 mm thick, it works well in all appropriately sized filter wheels. Mounted 31 mm and 36 mm Astronomik filters will also play nice with unmounted versions in the same carousel.
Astronomik Planet IR Pro 807 Filter - 36mm Round Mounted Features
- More then 97% transmission for wavelengths of 807nm to 1100nm
- Blocking of wavelengths between 350nm and 790nm
- Parfocal with other Astronomik filters
- Glass thickness: 1mm
- Cell thickness: 3 mm
- Completely resistant against high humidity, scratches and aging effects
- Diffraction limited, the filter will not reduce the optical performance of your telescope!
- Astronomik filters are delivered in a high-quality, long lasting, filter box
- Additional Information
SKU AK-P807-36 Manufacturer Astronomik Type of Filter IR Pass, Planetary Filter Usage Imaging Single or Set? Single Filter Filter Size 36mm Filter Shape Round Filter Mounted? Mounted Warranty 10 Year Warranty Peak Transmission More then 97% transmission for wavelengths of 807nm to 1100nm
- Included Items
- Astronomik Planet IR Pro 807 Filter - 36mm Round Mounted
- Plastic Storage Case
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