Lunt Solar Systems LS50 Hydrogen-Alpha Filter - Front
The new Lunt Solar Systems LS50 Hydrogen-Alpha Filter incorporates a
unique design feature which decreases chances of decontaction
(breakage) and increases solar filter thermal stability, an important
factor since even the slightest temperature change can cause poor
h-alpha performance. Since solar prominences tend to fade into the
bright background sky at 1.0 angstroms, the Lunt Systems Solar
Filter's performance at <0.7 angstroms gives above average contrast
and definition. To help achieve greater details than ever before, the
Lunt Solar Systems H-Alpha filter can also enhanced by adding a second
etalon system (sold separately under "Accessories") to reduce the
bandpass of the LS50 H-Alpha to <0.5 angstroms. That's a
substantial crisp detail bonus to both photographers and observers!
The tighter the bandwidth, the more contrast and details on both
prominences and surface features...
Another addition to the Lunt Solar Systems LS50 Hydrogen-Alpha Filter
is the supplied B1800 blocking filter. This allows the Lunt H-alpha
filter to be attached to any refractor with less than 1800mm of focal
length. The Lunt Solar Systems B1800 Blocking Filter houses an additional filter in a 1.25" diagonal. The blocking filter is just as crucial to your safety and the system's performance
as the front element of the Lunt LS50 solar package! The secondary
blocking filter is based on the focal length of your telescope -
because blocking filters shape the spectral output. The Lunt Solar
System's B1800 blocking filter will provide a full disk image of the Sun with
telescopes which have a maximum of 1800mm of focal length. It is
important to chose your Lunt h-alpha filter solar filter carefully,
because using a larger blocking filter than necessary to achieve a
full disk image in your telescope system may result in image "ghosts"
at the edge of the field of view. Because the Lunt 50mm H-Alpha
Front Mount Filter is unique, the h-alpha blocking filter is also
unique. Lunt will only warranty the safety and/or performance of their
solar systems when a Lunt Solar Systems blocking filter is paired with
a Lunt Solar Systems Etalon system. Mounting adapter is sold separately.
Lunt Solar Systems LS50 Hydrogen-Alpha Filter
- Included foam-lined protective case.
- Pearl white finish with black anodized trim.
- Superior coatings.
- Lunt Manufacturer Warranty
Lunt Solar Systems Product Number: 50FHA1/B18