Filters

Askar SII / Ha / OIII Narrowband 7nm filters SII Filter The Askar S II 7nm filter is suitable for imaging of S II emitting nebulae or some supernov...

Askar LRGB Filters The Askar LRGB imaging filter set is designed for those imagers who possess a monochrome camera that use either CCD or CMOS sen...

Tele Vue Bandmate H-Beta Filter The Tele Vue Bandmate H-Beta Filter passes the aqua colored hydrogen-beta emission lines found in the Horsehead, Ca...

Pegasus Astro Photographic Filter - S2 2'' Mounted Photographic Filter Sulfur II (SII) filters are a narrow-band-filters for CCD/CMOS photography....

Pegasus Astro Photographic Filter - OIII 2'' Mounted Filter The Oxygen III (OIII) CCD 7nm filter is designed for nebula observation allowing 7nm b...

Pegasus Astro Photographic Filter - Ha 2'' Mounted Filter This narrowband filter has a 7nm bandwidth of light centered on a wavelength of 656nm th...

Pegasus Astro LRGB Photographic Filter Parfocal LRGB Filters Broadband filters are parfocal which ensures that you will not have to refocus when yo...

Optolong ND3.0 Neutral Density Filter Neutral Density (ND) filters are designed to reduce transmission evenly across a portion of a specific spectr...

Lunt Polarizing Filter for White Light Wedges When doing visual work with Lunt White Light Wedges, we recommend adding a Lunt Polarizing Filter for...

Lunt 100mm Ha Etalon Filter The Lunt LS100FHa Solar Filter is a 100 mm aperture with a Root 3 non-centralized obstruction  integrally tuned etalon ...

Optolong NB Filters SHO 6.5nm Narrowband Filter Kit Optolong SHO6.5nm filter kit includes SII6.5nm, H-Alpha7nm, and OIII6.5nm narrow-band filters, ...

Lunt White Light Solar Wedge For solar white light imaging and white light visual observing. The Lunt White Light Wedges come with a built in ND3 f...

IDAS NB3 Nebula Booster Filter OIII & SII The IDAS NB3 Nebula Booster Filter is a dual line-pass filter (OIII & SII) which can be used with...

IDAS NB2 48mm mounted Nebula Booster Filter H-alpha & OIII The IDAS NB2 Nebula Booster Filter is a dual line-pass filter (H-alpha & OIII) w...

IDAS Mars filter 1.25" IDAS planetary imaging filters are specialized filters designed with tuned passbands intended to enhance features of specifi...

IDAS LPS-V4 Nebula Filter The IDAS LPS-V4 Nebula Filter is designed to provide maximum contrast between key astronomical emission lines and a light...

IDAS HEUIB-II H-alpha Enhanced UV/IR Cut Filter The IDAS HEUIB-II (H-α Enhanced UV IR Blocking) filter is designed for enhanced spectrum DSLR's and...

Daystar UV/IR Cut 2" The Daystar UV/IR Cut 2″ reduces the heat load on your filter assembly by absorbing or reflecting UV and/or I light and transm...

Daystar Sodium D-Line Quark Filter This new, All-In-One design marries high quality components of a telecentric barlow, adapters, snouts and Daysta...

Daystar Quark Prominence H-alpha Filter The Daystar Quark Prominence H-alpha Filter marries high quality components of a telecentric barlow, adapte...

Daystar Calcium H-Line Quark Filter This All-In-One design marries high quality components of adapters, snouts and Daystar calcium filter into one ...

Daystar Quark for Questar H-alpha Filter (Chromosphere or Prominence) Chromosphere: The Daystar Quark Chromosphere for Questar H-alpha Filter is fo...

[latexpage] Daystar Energy Rejection Filter ERF for SCT The Daystar Energy Rejection Filter for SCT reduces the heat load on your filter assembly b...

Daystar Combo Quark Prominence H-alpha Filter The Daystar Combo Quark Prominence H-alpha Filter marries high quality components of adapters, snouts...