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Astronomy > Filters > Pass Filters > Astronomik > ProPlanet 807 > Astronomik Filters ProPlanet 807 1.25" IR bandpass filter
Product no.: 43798

Filters ProPlanet 807 1.25" IR bandpass filter

$ 68.00 incl. VAT plus shipping costs
short-term
ready for shipping in 3-7 days + lead time

Product description

The ProPlanet IR 807 filter cuts off the visible part of the spectrum and only opens at a wavelength of 807 nanometres. This blocks the areas of light that are particularly sensitive to seeing and allows the areas of longer wavelength light that are significantly less sensitive to seeing to pass through. This significantly reduces seeing problems in planetary and lunar photography without significantly reducing the sensitivity of the imaging sensor.

Tips and instructions for use

  • The ProPlanet IR 807 is intended as a supplement to the ProPlanet IR 742, for very poor seeing and telescopes with sufficient light-gathering power.
  • The loss of sensitivity in most cameras with the '807' compared to the '742' is about one f-stop, corresponding to 50% or, conversely, a doubling of the exposure time.
  • Darkening of the sky at dusk
  • Images of bright planets, stars and comets in the daytime sky
  • Images of young stars in dust clouds and star-forming regions

Alternative: With good seeing or telescopes with less than 10" (250 mm) aperture, it is worth using the Astronomik ProPlanet IR 742.

Specifications

Capacity


Connection
1,25"
Coating of optical system
multiple
Mount material
Aluminium
Transmission
97
Frame
1,25"
Connection (to the telescope)
1,25"
filter thickness (mm)
1
passband (nm)
>807

General


Series
ProPlanet 807
Type
Filters
Type of build
Pass Filters

Area of application


Useful for photographs
yes
Anti light-pollution
yes
Jupiter
yes
Mars
yes
Mercury
yes
Moon
yes
Saturn
yes
Uranus
yes
Venus
yes
Visually useful
-
Comets
yes

Product safety

Manufacturer: astro-shop, Eiffestr. 426, 20537 Hamburg, DE, www.astro-shop.com

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*All prices include VAT plus shipping costs.

Astronomik Filters ProPlanet 807 1.25" IR bandpass filter
Light transmission curve

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