DayStar Camera QUARK for NIKON PROMINENCE Solar Filter

Building on the success of the standard versions of their Quark, Daystar Filters designed this version of the Camera Quark H-alpha Solar Filter to fit Nikon SLR and DLSR bodies and lenses to allow imaging or viewing prominences. To fit your camera system, the each end is equipped with a corresponding bayonet mount for easy attachment, and full disk viewing possible on lenses up to ~450mm focal length. A rear 1.25″ eyepiece adapter is included to allow the use of traditional astronomical eyepieces. This adapter essentially converts your lens into a solar telescope. Daystar recommends the use of red, orange or yellow colored glass lens front filters for apertures over 80mm.

Filter Properties

• Hydrogen-alpha bandpass
• Integrated 12mm blocking filter
• 21mm clear filter aperture
• Tuned to 0.8-0.6Å for viewing prominences
• Tuning knob allows for ±0.5Å wing shift for Doppler-shift compensation
• Markers at every 0.1Å for reference and repeatability
• LED indicators for power, warming, ready, and fault

Optics

• Integrated 4.2x Barlow lens
• Lens and optical coatings designed specifically for 656nm H-alpha wavelength
• Two-element telecentric lens design keeps light waves parallel to flatten the field of view and reduce parallax as magnification increases
• Camera/Lens Compatibility
• Front and rear bayonet mounts for Nikon cameras and lenses
• Full disk viewing possible on lenses up to ~450mm focal length lenses
• Includes focal extender spacer ring to ensure compatibility with a wide variety of lenses
• No electric pass through on filter so lens features like auto-focus and electronic aperture control will not work
• Focus and clearances not guaranteed for 100% of lenses
• Use of red, orange or yellow colored glass lens front filters recommended
• 1.25″ eyepiece adapter to use conventional astronomical eyepieces and convert lens into solar telescope

Power

• 5 VDC, 1.5A micro-USB port
• 90-240 VAC wall adapter
• Set of international outlet plugs for US, UK, EU, and Australia

Mounting

• Reversible combination lens foot
• 1/4″-20 tripod holes for use with standard photo, video, or field tripods
• Vixen-style dovetail plate for use with telescope mounts