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User Manual for DayStar Filters Sodium QUARK Na D-Line Eyepiece Solar Filter Click to enlarge the picture
Contents of the user manual for the DayStar Filters Sodium QUARK Na D-Line
- Product category: Solar Filters for Astronomical Telescopes DayStar Filters
- Brand: DayStar Filters
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for DayStar Filters Solar Filters for Astronomical Telescopes
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User manual for the DayStar Filters Sodium QUARK Na D-Line contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any DayStar Filters product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official DayStar Filters user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a DayStar Filters product will considerably shorten its lifespan!
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Product description A Buying Guide for Solar and Solar Eclipse Viewing Read More Daystar Filters' Sodium QUARK Na D-Line Eyepiece Solar Filter is built to use a traditional nighttime astronomical OTA for solar observation. It departs from traditional K-line tuned filters, and focuses on the 5895.9Å D-line wavelength. This wavelength is very narrow but also very bright, so a specialized filter is required to isolate it. Na D-line is a low excitation line emitted when the low chromosphere is heated, usually at footprints of flux loops passing through a flare, as sodium D line reflects the lower chromosphere it shows impulsive-phase flare eruption kernels. Visual and photographic images will also reveal sunspot detail, plague, and granulation, but are much brighter and more easily visible. This configuration of the QUARK is not suited for off-axis application.With its integrated 12mm blocking (21mm clear aperture) filter there are no OTA aperture limitations, but Daystar recommends the use of refractor-style scopes with focal ratios between f/4-f/8, and you can enjoy full-disk viewing with focal lengths up to 450mm. Daystar further recommends the use of a UV/IR cut and objective Energy Rejection Filter (ERF) for safety. Built into the system is a 2-element 4.2x Barlow lens to boost the power of any eyepiece used with it, and its telecentric lens configuration ensures consistent image size and magnification across the entire field of view. Additionally, the Barlow lens is fully baffled to absorb scattered light to enhance contrast.This all-in-one filter design enables the use of nighttime telescopes for solar viewing, and is engineered to eliminate unnecessary components which reduced the size and weight. This streamlined form enables it to accept 1.25" eyepieces, and comes with a 1.25" snout - with an optional 2" snout available for use with larger drawtubes. 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. - Filter Properties
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- Tuned to sodium Na D-line 5895.9Å wavelength
- Use to view impulsive-phase flare eruption kernels, sunspot detail, plague, granulation
- Integrated 12mm blocking filter with a 21mm clear filter aperture
- Tuning knob allows for ±0.5Å wing shift for Doppler-shift compensation
- Markers at every 0.1Å for reference and repeatability
- Optical coatings are engineered for the Na D-line 589nm wavelength
- Internal baffles improve image contrast
- Compatible with yellow glass ERFs — red filters will not pass Sodium
- Use and Handling
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- Use traditional astronomical telescopes for solar viewing
- Standard configuration: Accepts 1.25" eyepieces and astrophotography adapters/accessories
- Integrated 4.2x Barlow lens to effectively boost the magnification of any eyepiece used
- Telecentric lens configuration ensures consistent image quality across the field of view
- Includes a 1.25" snout, with an optional 2" available to fit larger drawtubes
- LED indicators for power, warming, ready, and fault
- Recommended OTA Specifications
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- No aperture limitation
- f/4 to f/8 refractor OTAs in full aperture
- Full disk viewing on refractors with a focal length up to 450mm
- Rear UV/IR cut filters recommended
- Not suited for off-axis application
- Power
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- 5 VDC, 1.5A micro-USB port
- 90-240 VAC wall adapter
- Set of international outlet plugs for US, UK, EU, and Australia
UPC: 724696425700 In the Box DayStar Filters Sodium QUARK Na D-Line Eyepiece Solar Filter (1.25") Plastic Case USB Power Cord Wall Outlet Power Adapter Set of International Plug Adapters 1.25" Drawtube Snout Limited 5-Year Warranty Solar and Solar Eclipse Viewing 101 Christopher Witt 12/14/2016 xtartffqwywr Mark Your Calendars: North American Solar Eclipse 2017 Todd Vorenkamp and Christopher Witt 08/19/2016 Table of Contents
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Technical parametersDayStar Filters DSZSD Specs | Type | Sodium Na D-line | | Filter Factor | 5895.9 Å wavelength | | Blocking | 12 mm
21mm clear aperture | | Size | Drawtube side: 1.25"
Eyepiece holder: 1.25" | | Multi-Coated | Yes, tuned to 589 nm wavelength | | Magnification | Internal 4.2x Barlow lens
2-lens telecentric configuration | | Power Requirement | 5 VDC, 1.5 A | | Construction | Aluminum alloy | | Dimensions | 3.6 x 2.8 x 2.2" / 9.1 x 7.1 x 5.5 cm |
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