Astrophotography Filter, LoGlow Light pollution, 27mm diameter

Chroma Technology Astronomy Filter

Manufacturer's part number :

LoGlow Light Pollution Filter

Manufacturer CHROMA TECHNOLOGY Fluorescence Filters

Chroma Technology

Description :

This LoGlow Light Pollution Filter provides balanced color for the visible spectrum while blocking most emission from metal-halide and vapor lamp sources which together contribute to sky glow. LoGlow Light Pollution Filter for astrophotography application is 27mm diameter size mounted in 1.25 inch ring.

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    Features

  • Transmission more than 94% average across visible band
  • Blocking: OD1.4 for metal-halide and vapor lamp lines
  • Dimensions: 27mm diameter mounted with 1.25 inch ring
  • Durable sputter coatings
  • Filters designed for use with CCD and for f/4 or slower
  • Transmitted wavefront better than 0.25 waves/inch
  • Parallelism <30 arcsec
  • Thickness: 3.0 +/-0.05mm
  • Benefits

  • Extremely durable coatings withstand humidity changes and extreme temperature fluxes and remain spectrally accurate in central wavelength and ban pass adherence
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Filters Type Band pass filter  

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Central Wavelength Range 300nm-400nm  
401nm-500nm  
501nm-600nm  
601nm-700nm  
701nm-2000nm  
LoGlow Light Pollution Filter
LoGlow Light Pollution Filter