Imaging Filters

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 SII 6.5nm Imaging Narrowband Filter Optolongimproved narrowband SII6.5nm filter (Sulful II for CCD) is designed for nebula observation all...

Optolong SHO 3nm Narrowband Filters Kit Optolong SHO-3nm Narrowband Filters Introduction Optolong SHO-3nm filter kit includes SII 3nm, H-Alpha 3nm,...

Optolong Night Sky H-Alpha filter Night Sky H-Alpha filter (IR Pass 650nm) with 50% transition from blocking to passing at about 640nm and 95% or a...

Optolong Narrowband H-Beta filter Opotlong narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on...

Optolong Moon & Skyglow Filter Optolong Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from ...

Optolong LRGB Filter Set The Optolong LRGB Filter Set is designed for maximum contrast and with extremely high gradients for clear differentiation ...

Optolong IR Pass685 Planetary Filter Optolong IR Pass 685nm filter is designed to block wavelengths below 670nm and can be used in IR-LRGB imaging ...

Optolong Improved OIII 6.5nm Narrowband Filter Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing...

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, ...

Optolong H-Alpha 7nm Narrowband Filter Optolong improved version of H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of l...

Optolong CLS CCD (City Light Suppression) Broadband Filter The CLS (City Light Suppression) broadband filter is designed to improve the visibility ...

Optolong Clear Sky Filter Screw on Lens 1. Optolong Clear Sky Filter Introduction A screw on filter with the easiest installation way like UV fi...

IDAS SHO Narrowband Set (SII, H-a & OIII) IDAS H-alpha 6.8nm. OIII 6.0nm and SII 6.3nm Sets. Available at various sizes and classifications –...

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 LPS-D3 filter (Discontinued) This filter is no longer available. It has been replaced by the LPS-C1 IDAS LPS-D3(formerly NGS1) filters enhance...

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

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

Daystar Camera Quark H-alpha Filter (Chromosphere or Prominence) This new, Daystar Camera Quark Chromosphere turns ordinary Nikon and Canon SLR len...

Chroma LRGB Individual Filters You have the option to buy Chroma LRGB filters individually. The Lum, Red, Green & Blue filters are also availab...

Chroma LoGlow Light Pollution Filter The Chroma LoGlow Light Pollution Filter blocks common spectral lines from lighting sources. This filter provi...

Chroma Jovian Methane Filter The Chroma Jovian Methane Filter is a methane absorption band filter. This filter enhances contrast when imaging objec...

Chroma HaLRGB Filter Set The Chroma HaLRGB Filter Set includes five individual filters: 8nm H-alpha, luminance, red, green and blue. They are avail...

Chroma Clear Filter The Chroma Clear Filter has an average transmission greater or equal to 97% across the 380-1000nm range. Chroma Technology is a...

Chroma Bessel UBVRI Individual Filters The Chroma Bessel UBVRI Filters are made for photometric imaging in five different bandpass. They are availa...

Chroma Bessel UBVRI Filter Set U-Bessel: UV photometric filter in UVBRI seriesV-Bessel: Green (Visible) photometric filter in UVBRI seriesB-Bessel:...

Chroma 8nm SII Filter The Chroma 8nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...