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Radian Triad Tri-Band Narrowband Filter 2"


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  • Check out the Triad Difference
  • Shoot in any light polluted area
  • H-beta, OIII, and H-alpha Band Passes
  • 2-inch filter size
  • Works with any color camera including DSLRs

Product Details

Product Reviews

Customer Reviews
5.0 Based on 4 Reviews
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Filter Reviews:
  • light pollution
  • filter
  • mount
  • chance
  • ZWO ASI071MC
  • Color CMOS Camera
  • Southern California
  • Esprit 120MM
  • Kurt
  • bottle
United States United States

My first attempt of the Eastern Veil Nebula

I live in a bortle five sky in Southern California. This filter prevents the light pollution from ruining my astrophotography time in my backyard. Kurt convinced me to purchase this filter. I’m using a Sky Watcher Esprit 120MM on a EQ6-R mount with an ZWO ASI071MC Color CMOS Camera. This was truly my first image processed in Photoshop.

OPT Telescopes Radian Telescopes 2 Triad Tri-Band Narrowband Filter Review
United States United States

Light Pollution Killa

Just wanted to add a true performance of this filter with no process of a single frame image of 3 minutes from a badly light polluted skies of Sacramento, CA.

OPT Telescopes Radian Telescopes 2 Triad Tri-Band Narrowband Filter Review
Neik P.
United States United States

Light Pollution Killa.

I took a chance on buying this filter to try to combat the bottle 8 light pollution in my area. So far, it has not disappoints me yet. Figuring out the optimum exposure time and gain for it still an uphill challenge, but soon will conquer.

Kurt A.
United States United States

I'm a firm believer in the triad

I've always done narrowband with a mono cam, so at first I was a bit skeptical. I decided to jump on the hype train and see what it was all about. The hype is real my astro friends! I have taken images with this filter using just a normal dslr and i am just amazed how I can do narrowband Astrophotography with just a DSLR. Now I haven't used an osc yet but I believe it would be even better. This filter is perfect for those wanting to image in their backyard with a DSLR or color camera. We've all been there before; it's clear at the dark site but its hours away and something came up where you couldn't spot the gas for the trip. You feel defeated and sad that you can't image that night. But now you have not to worry of those moments as now you'll have a filter to help you at home even in the most severe light polluted skies. This filter is well worth the price and costs much less than getting the separate halpha, hbeta and oiii filters. It also will cost much less in the long run than all those trips to dark sites in gas and save you wear and tear on your vehicle. I'm a believer! Tell em Kurt sent ya!