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Optolong L-eNhance Light Pollution Dual-Bandpass Imaging Filter - 2.00" - LNH-200

SKU: OTL-LNH-200

Regularly stocked item that is on order with the manufacturer and on its way to our warehouse. Expected to arrive within 5-10 business days.

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Optolong L-eNhance Dual Band Pass Imaging Filter - 2” Mounted



The Optolong L-eNhance filter was designed especially for color CMOS/CCD and DSLR cameras. The special characteristics of the L-eNhance allows amateur astronomers to get great results when imaging, even in urban skies degraded by heavy light-pollution, with just one filter!



The L-eNhance optimized dual-band filter significantly blocks light pollution while allowing up to 90% transmission of H-Alpha, H-Beta and Oxygen III emission lines.



As you can see from the specifications below and the transmission curve chart to your left, Optolong designed this dual-band pass filter to retain the prominent colors of nebulae in RGB while blocking out most wavelengths of light pollution. This multi-purpose imaging light pollution filter even allows for SHO Hubble palette simulation with a few tweaks with your image processing software.

Optolong L-eNhance Filter Specifications



  • Blocking Range: 300nm - 1000nm

  • Blocking Depth: >99% light pollution line

  • TPeak: T>90%

  • Substrate: B270

  • Thickness: 1.85mm

  • Surface Quality: 60/40

  • Transmitted Wavefront RMS: λ /4

  • Parallelism (arcsec): 30s
Description
Description

Optolong L-eNhance Dual Band Pass Imaging Filter - 2” Mounted

The Optolong L-eNhance filter was designed especially for color CMOS/CCD and DSLR cameras. The special characteristics of the L-eNhance allows amateur astronomers to get great results when imaging, even in urban skies degraded by heavy light-pollution, with just one filter!

The L-eNhance optimized dual-band filter significantly blocks light pollution while allowing up to 90% transmission of H-Alpha, H-Beta and Oxygen III emission lines.

As you can see from the specifications below and the transmission curve chart to your left, Optolong designed this dual-band pass filter to retain the prominent colors of nebulae in RGB while blocking out most wavelengths of light pollution. This multi-purpose imaging light pollution filter even allows for SHO Hubble palette simulation with a few tweaks with your image processing software.

Optolong L-eNhance Filter Specifications

  • Blocking Range: 300nm - 1000nm
  • Blocking Depth: >99% light pollution line
  • TPeak: T>90%
  • Substrate: B270
  • Thickness: 1.85mm
  • Surface Quality: 60/40
  • Transmitted Wavefront RMS: λ /4
  • Parallelism (arcsec): 30s
Specifications
Specifications
Model Number LNH-200
Single Filter, Set, or Accessory Single Filter
Filter Type CLS/LPR
Filter Size 50.8 mm (2")
Filter Shape Round
Filter Insert Style Threaded
What's in the Box?
What's in the Box?
  • Optolong 2" L-eNhance Light Pollution Imaging Filter
  • Plastic Storage Case with Foam
  • Current Transmission Curve for L-eNhance Filter
  • NGC-3372 with L-eNhance by Tommy Lin
  • Vela SNR with L-eNhance and remnant area with/without L-eNhance
  • Vela SuperNova Remnant with L-eNhance by Vincent Cheng
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