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Optolong
Astronomy Filters
Optolong L-Pro 2" Mounted Filter
$ 221.61

Optolong L-Pro is multi-bandpass filter which offers better color balance by maximizing the transmission band. The balanced transmission allows astrophotos to be taken with minimal color cast to broadband emission objects such as galaxies, reflection nebulae and globular star clusters. L-Pro is the best choice for light pollution suppression.

Astronomy Filters
Optolong L-Ultimate 2" Light Pollution Dual Band Filter
$ 382.20
  • Isolates emissions of nebulae into H-Alpha and OIII
  • Compatible with DSLR, color/monochrome CMOS, and CCD cameras
  • Muli-layers of anti-reflection coating
  • High density sponge carton lining
[OTL-13801] Optolong L-eNhance Filter - 2" OTL-13801 5 UNITS LEFT
Astronomy Filters
Optolong L-eNhance Filter - 2"
$ 253.73

An innovative dual-band pass filter designed for DSLR, color CMOS, and CCD cameras to capture stunning nebula details even under light-polluted skies.

  • Triple Emission Isolation: Effectively isolates H-Alpha, H-Beta, and Oxygen III nebula lines.
  • Optimized Bandwidths: 24nm for OIII & H-Beta, and 10nm for Ha for superior contrast.
  • High Efficiency: Maximum transmission of up to 90% for bright, clear signals.
  • Urban Solution: Practical and economical fix for light pollution without needing monochrome cameras.
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