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Astronomik ProPlanet 742 IR Pass Filter - 31 mm Round - P742-31

SKU: ASF-P742-31

Product is backordered from the manufacturer. Once the order is placed our team will update you on the anticipated arrival date.

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Astronomik ProPlanet 742 IR-Pass Filter - 31 mm




  • This ProPlanet 742 IR-Pass Filter comes in a round 31 mm machined cell and is made specifically for planetary imaging
  • Designed with the highest technical standards in mind to give users the optical performance they need for imaging planets with 5" to 8" aperture telescopes
  • With the ProPlanet 742 IR Filter from Astronomik, only infrared emissions with wavelengths of more than 742 nm are allowed to be transmitted
  • Since the image is assembled from IR light, planets are not affected by atmospheric turbulence
  • Astronomik filters feature multi-layer coatings to insulate them from the impacts of scratching, aging, and high humidity
  • German-designed for superior optical quality!




More About the Astronomik 31 mm ProPlanet IR 742 Filter




This Astronomik ProPlanet 742 IR Filter is perfect for lunar and planetary imaging, especially Mars, when used with a telescope that has an aperture of 6" (150 mm) or more. The P742 filter only allows infrared light with wavelengths of more than 742 nm pass through. In this spectral region, seeing effects are significantly reduced compared to the visible spectrum of the human eye. This increases image sharpness over what could usually be obtained given your device and location. The ProPlanet IR 742 also provides a dark sky background well into dawn, allowing photography of the Moon and planets even as the Sun is coming up.



While the P742 filter is allowing light from wavelengths over 742 nm to pass through, it is also fully blocking the visible portion of the spectrum at the same time. This optimizes both lunar and planetary images considerably. Steadiness improves over the image taken in visible light, with nearly identical exposure times needed. And, like all Astronomik filters, the ProPlanet IR 742 is parfocal with all other filters carried by Astronomik.



Along with astrophotography, this P742 IR filter also facilitates gorgeous terrestrial photography. When the 31 mm P742 filter model is used in an MC modified Digital SLR camera, you'll be able to achieve exceptional results for nature imaging. This filter blocks the area of the spectrum where chlorophyll appears green, and displays its high reflectiveness in the near infrared. Photographing trees in the spring and summer months under blue skies gives you amazing images with trees and clouds that appear white ahead of a almost black background.



Transmission Specifications




  • More than 96% transmission for 742 nm to 1100 nm wavelengths
  • Obstructs undesired wavelengths between 350 nm and 730 nm
Description
Description

Astronomik ProPlanet 742 IR-Pass Filter - 31 mm


  • This ProPlanet 742 IR-Pass Filter comes in a round 31 mm machined cell and is made specifically for planetary imaging
  • Designed with the highest technical standards in mind to give users the optical performance they need for imaging planets with 5" to 8" aperture telescopes
  • With the ProPlanet 742 IR Filter from Astronomik, only infrared emissions with wavelengths of more than 742 nm are allowed to be transmitted
  • Since the image is assembled from IR light, planets are not affected by atmospheric turbulence
  • Astronomik filters feature multi-layer coatings to insulate them from the impacts of scratching, aging, and high humidity
  • German-designed for superior optical quality!


More About the Astronomik 31 mm ProPlanet IR 742 Filter


This Astronomik ProPlanet 742 IR Filter is perfect for lunar and planetary imaging, especially Mars, when used with a telescope that has an aperture of 6" (150 mm) or more. The P742 filter only allows infrared light with wavelengths of more than 742 nm pass through. In this spectral region, seeing effects are significantly reduced compared to the visible spectrum of the human eye. This increases image sharpness over what could usually be obtained given your device and location. The ProPlanet IR 742 also provides a dark sky background well into dawn, allowing photography of the Moon and planets even as the Sun is coming up.

While the P742 filter is allowing light from wavelengths over 742 nm to pass through, it is also fully blocking the visible portion of the spectrum at the same time. This optimizes both lunar and planetary images considerably. Steadiness improves over the image taken in visible light, with nearly identical exposure times needed. And, like all Astronomik filters, the ProPlanet IR 742 is parfocal with all other filters carried by Astronomik.

Along with astrophotography, this P742 IR filter also facilitates gorgeous terrestrial photography. When the 31 mm P742 filter model is used in an MC modified Digital SLR camera, you'll be able to achieve exceptional results for nature imaging. This filter blocks the area of the spectrum where chlorophyll appears green, and displays its high reflectiveness in the near infrared. Photographing trees in the spring and summer months under blue skies gives you amazing images with trees and clouds that appear white ahead of a almost black background.

Transmission Specifications


  • More than 96% transmission for 742 nm to 1100 nm wavelengths
  • Obstructs undesired wavelengths between 350 nm and 730 nm
Specifications
Specifications
Model Number P742-31
Single Filter, Set, or Accessory Single Filter
Filter Type Pro Planet
Filter Size 31 mm
Filter Shape Round
Filter Insert Style Drop-In
Filter Bandpass 742 nm - 1100 nm
Filter Optical Thickness 1 mm
Warranty Ten (10) Years
What's in the Box?
What's in the Box?
  • Astronomik ProPlanet 742 IR-Pass Filter - 31 mm Round
  • Plastic Storage Case
  • Astronomik ProPlanet 742 IR-Pass 31 mm Round Filter
  • Astronomik ProPlanet 742 IR-Pass Filter Transmission
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