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Description
DayStar Filters Camera Quark H-alpha Solar Filter for Nikon (Prominence)656nm H Alpha Filter with 12mm Blocking Tuned for Prominence Viewing Use Nikon Lenses for Solar Imaging 0. 5? Wing Shift Tuning 2 Element Telecentric 4. 2x Barlow Lens Optical Coatings Tuned to H Alpha Band No OTA Aperture Limitations 5 VDC, 1. 5A micro USB Port 1 4" 20 Tripod and Vixen Dovetail Plate Does Not Support All Lens Functions Building on the success of the standard versions of their Quark, Daystar Filters designed this version of the Camera
- 656nm H-Alpha Filter with 12mm Blocking
- Tuned for Prominence Viewing
- Use Nikon Lenses for Solar Imaging
- ±0.5? Wing Shift Tuning
- 2-Element Telecentric 4.2x Barlow Lens
- Optical Coatings Tuned to H-Alpha Band
- No OTA Aperture Limitations
- 5 VDC, 1.5A micro-USB Port
- 1/4"-20 Tripod and Vixen Dovetail Plate
- Does Not Support All Lens Functions
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.
The filter is tuned to the 0.8-0.6? bandwidth of the 656nm hydrogen-alpha wavelength with the ability to tune it ±0.5? from the center line for compensate for Doppler shift or to focus on specific regions or features, with indicators every 0.1?. Prominences, a detail of the chromosphere projected against the blackness of space behind the sun, are seen with improved contrast due to the filter's narrower bandpass versus a wider bandpass filter tuned for conventional chromosphere surface viewing. The filter is powered via a micro-USB port, and Daystar includes a power cord and an AC adapter to meet the high-power requirements of 5 VDC 1.5A. To enable its use at home and abroad, a set of international outlet plugs is provided with adapters for the US, UK, EU, and Australia.
The Camera Quark comes with a combination lens foot with 1/4-20 tripod holes to mount it on conventional photo/video/field tripods, and a Vixen-style dovetail plate for telescope mounts. While a focal extender spacer ring is included to ensure compatibility with a wide variety of lenses, focus and clearances are not guaranteed with all Nikon lenses. Because there is no electric pass-through on the filter, when installed between the camera body and lens, some lens features such as auto-focus and electronic aperture control will not work.
- Filter Properties
-
- Hydrogen-alpha bandpass
- Integrated 12mm blocking filter
- 21mm clear filter aperture
- Tuned to 0.8-0.6? for viewing prominences
- Tuning knob allows for ±0.5? wing shift for Doppler-shift compensation
- Markers at every 0.1? 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
| Type | Hydrogen-Alpha |
| Filter Factor | 0.8 - 0.6 ? |
| Application | Prominence viewing |
| Mounting | Nikon bayonet, front and rear |
| Multi-Coated | Yes |
| Power Requirement | 5 VDC, 1.5 A |
| Construction | Aluminum alloy |
| Dimensions | Not specified by manufacturer |
- Lens Foot
- Plastic Case
- USB Power Cord
- 90-240VAC Wall Outlet Power Adapter
- Set of International Plug Adapters
- Focal Extender Spacer Ring
- 1.25" Eyepiece Adapter
- Limited 10-Year Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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