UHC Filter
R261
The original Ultra-High-Contrast narrow bandpass filter (24nm) isolates
just the two doubly-ionized oxygen lines (496 and 501nm lines) and
H-beta line (486nm) emitted by planetary and most emission nebulae
while completely blocking the rest of the overall spectrum of light.
The result is extreme contrast between the black background of space
and the delicate photons of nebula light needed for near-photographic
views of the Orion, Lagoon, Swan and planetary nebulae, among others.
This makes the UHC Filter the best all-around dark-sky nebular filter
on the market today. See for yourselfit's truly amazing what the UHC
filter allows you to see! GSO tests every filter individually on a
Perkin-Elmer Double Beam spectrophotometer, inscribing on the filter
its % transmission for each of the primary lines. Do not settle for
cheap imitations.
Not intended for photographic use.
- Model: AD173-UHC
- Shipping Weight: 0.1lbs
- 0 Units in Stock
- Manufactured by: GSO
This product was added to our catalog on Sunday 12 July, 2009.