Imaging Filters

Isolates the H-alpha emission line at 656.3nm 3nm bandpass (FWHM) to enhance contrast of emission targets Peak transmission greater than 88% Guara...

Optimized for fast optical systems from f/2.6 to f/3.6 3nm bandpass (FWHM) around the H-alpha line Center wavelength pre-shifted 1.2nm to the red ...

Isolates the H-Beta emission line at 486.1nm 3nm bandpass (FWHM) to enhance contrast of emission targets 88% peak transmission Greater than OD5 bl...

Isolates the Nitrogen-II (NII) emission line at 654.8nm 3nm bandpass (FWHM) 88% peak transmission Greater than OD5 out-of-band blocking from 300-1...

3nm FWHM (Full Width at Half Maximum) Centered on the 500.7nm OIII emission line Peak transmission greater than 88% Out-of-band blocking >OD5 (...

Optimized for f/2.6 to f/3.6 optical systems 3nm FWHM (Full Width at Half Maximum) Center wavelength pre-shifted 1.2nm to the red (501.9nm) Peak T...

Isolates the Sulfur-II emission line at 672.4nm 3nm bandpass (FWHM) to enhance contrast of emission targets Peak transmission greater than 88% Usa...

Optimized for fast optical systems from f/2.6 to f/3.6 Central wavelength pre-shifted by 1.2nm to 673.6nm to compensate for blue shift 3nm bandwid...

4.5nm Narrowband H-alpha Filter Usable down to f/3 with minimal loss of signal Peak transmission greater than 90% at 656.3nm Out-of-band blocking ...

4.5nm FWHM Narrowband OIII Filter Centered on the 500.7nm OIII Emission Line Peak Transmission >85% Out-of-Band Blocking >OD5 (0.001%) from ...

Captures ionized sulfur emissions at a central wavelength (CWL) of 672.4nm Tight 4.5nm FWHM bandpass isolates faint nebulae from background skyglo...

7nm Full Width at Half Maximum (FWHM) Bandpass Centered on the 656.3nm Hydrogen-alpha Emission Line Passes NII Emission Lines at 654.8nm and 658.3...

Isolates the 500.7nm OIII emission line 7nm FWHM bandpass for high signal capture Greater than 90% peak transmission OD4 (0.01%) out-of-band block...

Captures Sulfur-II emission lines at a central wavelength (CWL) of 672.4nm 7nm FWHM bandpass passes the SII lines at 671.6nm and 673.1nm Greater t...

Passes H-alpha (656.3nm) and OIII (500.7nm) emission lines 3nm (+0.6/-0.1nm) FWHM on both lines Peak transmission of 90% (H-alpha) and 82% (OIII) ...

Two dual-band filters for four narrowband channels with color cameras; also usable with mono cameras Ha & OIII Filter: 3nm FWHM at 656.3nm and...

Dual-band filter passing Sulfur-II (672.4nm) and Hydrogen-beta (486.1nm) 3.5nm (+/-0.5nm) FWHM on both lines Peak transmission of 90% (SII) and 85...

2-filter set captures four narrowband channels (Ha, OIII, SII, H-beta) with one-shot color cameras Ha/OIII filter isolates H-alpha (656.3nm) and O...

Dual line-pass filter for Hydrogen-alpha (656.3nm) and Oxygen III (500.7nm) Tight 5nm FWHM bandpass for both emission lines Peak transmission of 9...

Dual 5nm bandpasses for Hydrogen-alpha (657.8nm) and Oxygen-III (502.2nm) Optimized for high-speed imaging systems from f/2.2 to f/3.6 Peak transm...

Dual-bandpass 5nm design for one-shot color (OSC) cameras Passes Sulfur-II (672.4nm) and Hydrogen-Beta (486.1nm) emission lines Peak transmission ...

Isolates the H-alpha emission line at 656.3nm Ultra-narrow 2.5nm FWHM bandpass to maximize contrast Peak transmission of >=95% Deep >=OD5 (0...

Passes infrared light with wavelengths longer than 685nm Reduces the effect of atmospheric seeing for sharper planetary images Constructed from 2m...

Passes infrared light with wavelengths longer than 850nm Recommended for planetary photography, where seeing has much lower impact at long wavelen...