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Optolong L-eNhance Light Pollution Filter 2" Mounted

Optolong L-eNhance Light Pollution Filter 2" Mounted

OPT-eNhance-2
*IN STOCK*

The L-eNhance filter is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and CCD cameras. This filter allows color cameras to image narrow band wavelengths even in bright, heavily light-polluted areas.

It effectively isolates the H-Alpha, H-Beta, and Oxygen III nebula emission lines and achieves a maximum transmission of up to 90%. The performance of this filter delivers images that superbly control the impact from light polluted skies.
$229.00
OR
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Optolong Filter Comparision

Here's a cool comparison with a HyperStar C9.25 using no filter, a L-Pro Light Pollution Filter, and the new L-eNhance Filter from Optolong. The L-Pro has a 53% reduction of background light, and the L-eNhance has an amazing 91% reduction.



Scott Tucker L-Enhance Filter

  • Imaging Target: Rosette Nebula
  • Camera : ZWO ASI294MC Pro
  • Lens : HyperStar C9.25
  • Filter : Optolong L-eNhance
  • Exp time : 20 x 120"
  • Taken by Starizona's: Scott Tucker
Scott Tucker L-Enhance Filter

    Taken with 98.63% full moon

  • Imaging Target: North America and Pelican Nebulas
  • Camera : ZWO ASI294MC Pro
  • Lens : Samyang 135mm f/2
  • Filter : Optolong L-eNhance
  • Exp time : 20 x 60"
  • Taken by Starizona's: Scott Tucker


  • Imaging Target: North American Nebula
  • Camera : ZWO ASI183MC Pro
  • Lens : HyperStar C6
  • Filter : Optolong L-eNhance
  • Exp time : 60 x 45"
  • Taken by Starizona's: Steven Koenig
VSR300 11

  • Imaging Target: Vela Supernova Remnant
  • Camera : CentralDS Astro A7s (cooled at -2C)
  • Lens : Canon EF 300mm f/4L (non-IS)
  • Filter : Optolong L-eNhance
  • ISO : 6400
  • Tracker : Star Adventurer
  • Autoguide : none
  • Exp time : 1min X 81frames w Dark, Bias frames
  • Offered by Optolong co-photographer Vincent Cheng



After a simple red structure transformation, the effect of SHO Hubble color can also be simulated. !



  • Substrate:B270
  • Thickness:1.85mm
  • Tpeak:T>90%
  • Blocking range:300-1000nm
  • Blocking depth:light pollution line blocking >99%
  • Surface quality:60/40
  • Transmitted Wavefront RMS:λ/4
  • Parallelism (arcsec):30s

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