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SV183 IR Pass Filter - 685 nm för planetfotografi

SV183 IR Pass Filter - 685 nm för planetfotografi

svbony-W9142A

I lager

€31,00 EUR
€31,00 EUR
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IR Pass Filter SV183 - 685 nm for planetary photography

The IR pass filter SV183 is designed to reduce the effects of atmospheric turbulence and enhance contrast in images of planets. It also allows for photographing the Moon and planets at dawn or dusk by darkening the background of the sky.

Features

  • Standard 1.25-inch filter for standard equipment
  • High-quality sturdy aluminum metal construction
  • Lightweight and sturdy metal filter cell, CNC machined, sandblasted and black anodized
  • Clear aperture of 26 mm for optimal image quality

Technical specifications

Model W9142A
Size 1.25 inches
Threads M28,5*0,6
Clear aperture 26 mm
Net weight 8 g
Glass material SCHOTT B260
Cell material Aerospace aluminum 6061T6
Substrate thickness 1.1 mm
Surface quality 60/40
Surface parallelism 1/4 λ
Parallelism 30”
Single thread Yes
Blocking OD2@400-660nm
Wavelength range 350-1100 nm
Cut-off wavelength 670 nm
Maximum transmittance 670 nm@T=50% 673-1100nm@T>95%
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