Astronomik SII 6 nm CCD Pentax K1 Clip Filter

Astronomik SII 6 nm CCD Filter - Pentax K-1 Clip

• Designed to be the ultimate narrowband imaging filter, this SII 6 nm CCD Clip Filter from Astronomik works with Pentax K-series DSLR cameras

• Pentax clip filters are suitable for use with Pentax K-1 and K-1 MkII digital SLR cameras

• Developed with the highest technical principles in mind for the optical performance necessary to ensure superb deep sky imaging results

• Only specific ionized sulfur (SII) emissions are allowed to pass while the entire remainder of the visible spectrum plus IR is blocked

• Extremely narrow 6 nm FWHM bandwidth

• Perfect for imaging deep sky objects like planetary nebulae and the remains of supernovae

• Astronomik filters are all shipped with a durable plastic storage container of the finest caliber

• German-made supreme quality optics!

More About the Astronomik SII 6 nm CCD Filter

For CCD astrophotography applications, this SII 6 nm CCD Pentax Clip Filter from Astronomik is the optimal narrowband filter. Features a reduced 6 nm FWHM (full width at half maximum). Using this filter guarantees 90% transmission or more at SII (671.7nm-673.0nm). This filter is made to Astronomik's exacting standards. While transmission ratings may vary between each filter, you are guaranteed a transmission rating greater than 90%, with a typical transmission rating of around 94% for the 6 nm SII. The specific T-Max will be listed on the filter case. You can rest easy knowing that every unit is thoroughly tested and guaranteed to meet Astronomik's stellar benchmark of performance!

Astronomik SII CCD filters enhance the contrast between objects, in this case between objects in the ionized sulfur (SII) emission line and the background sky. Also optimal for combating light pollution, this filter blocks artificial light from sources such as mercury and sodium-vapor street lamps, common light pollution culprits. The supreme quality of the Astronomik SII 6 nm CCD substrate allows you to observe the same razor sharp stars you would typically see from your normal telescope.

This Astronomik SII 6 nm CCD Filter enables complete blockage of all unwanted wavelengths in the visible and IR bands of the spectrum. As with all filters from Astronomik, this filter is parfocal with all other Astronomik filters. It is also diffraction limited so it won't compromise the optical performance of your telescope. Coatings keep this SII CCD filter from inducing scratches and other damaging effects from aging and high humidity. All Astronomik filters are delivered in a long-lasting plastic filter case of supreme quality.

Astronomik Pentax K-1 Clip Filter System

Compatible with Pentax K1 and K1 Mk II digital SLR cameras, this Pentax K1 clip filter is the newest member of the Astronomik clip filter family. Does not support camera models with APS-C sensors! Astronomik clip filters are designed to be used with traditional camera lenses for use with telescopes.

Transmission Specifications

• 96% SII line transmission is normal

• Totally blocks all unwanted light from UV up to IR