Daystar

FW-05SHa-2CaK

Daystar Solar System Filter Wheel with 0.5 SE Ha / 2 CaK

With the DayStar Solar System Filter Wheel, the observer can observe the sun in four different filters without hesitation and with one telescope!

Easily switch between Hydrogen Alpha to Helium to Calcium using four full +/- 1Å wing shift tuning filters and Quantum precision control. Any DayStar wavelengths and bandpasses can be used. This massive accessory for solar observation is designed specifically for educational purposes since it can transmit different features of the sun depending on the filter used.

Total flexibility with no compromises. The DayStar Solar System filter wheel.

This filter wheel includes four solar filters: .5Å SE Hydrogen Alpha, .7Å SE Hydrogen Alpha, 5Å Calcium II H, and 2Å Calcium II K.

Specs
Dimensions  7" x 7.75" x 2.3" (178 x 197 x 58mm)
Weight 5 lb 2 oz (2.3 kg) when fully loaded.
Mounting Accepts standard Quantum plates, providing mounting to T-thread, SCT thread, or 2" drawtube, for use with eyepieces or cameras.
Power 10 to 30VDC, 2.5 amps. International AC adapter included with choice of US, UK, European, or Australian power cords.
Positions Minimum two, maximum four.
Filter change time Less than three seconds.
Telescope compatibility Refractor, SCT, Maksutov (if sufficient focus travel). Any aperture: 60mm, 90mm, 155mm, or more! Apochromatic refractor recommended for best results, achromats may require slight focus adjustment when changing positions.
Focal ratio Best performance at F/30. Recommended range: F/27-F/35.
Remote control RS-232 serial port required. Quantum Control software for Windows, or communication protocol available for programmers to utilize on other operating systems.

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