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Bresser LUNT LS40THa/B500 H-Alpha Solar Telescope
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Product description Bresser LUNT LS40THa/B500 H-Alpha Solar Telescope
Solar observation in H-Alpha: prominences, filaments, flares ... the most spectacular way to see the Sun - easy and affordable with the LS40THa.
Complete H-alpha solar telescope with 40mm aperture, <0.7 Angstrom bandwidth, B500 blocking-filter, and Helical focuser.
The LS40THa/B500 is a complete telescope for observing the sun in H-alpha, with 40mm aperture (no central obstruction) and 400mm focal length. The H-alpha wavelength is the most impressive way to observe the sun, showing protuberances at the sun´s edge, filaments and flares on the surface, and much more. An Etalon with mechanical tilt-tuning provides <0.7 Angstrom bandwidth.
Fine adjustment is achieved with a 1.25 inch Helical focuser. Blocking-filter is the B500, this is good for visual observation of the sun. The star diagonal in which the blocking filter is installed, is equipped as standard for 1.25 inch eyepiece connection.
The easy handling makes this telescope ideal for starting H-Alpha solar observation. Due to its compact dimensions it is also a good travel telescope for the experienced solar observers.
The LS40THa telescopes are available with choice of B500, B600 or B1200 blocking filters. The larger blocking filters provide less edge obstruction and a larger field of view for visual observation and photography. Please note that these telescopes have only a very small back focus and therefore photography is difficult.
Features:
- Special telescope for observing the sun
- Absolutely safe, no danger to the eyes
- Shows prominences & more details on the sun
- Easy to use, well suited for beginners
- For visual sun observation
- Bandwidth less than 0.7 Angstrom
- Small B500 blocking-filter
Specifications:
- Aperture: 40mm (no central obstruction, 2-lens refractor)
- Focal length: 400mm
- Bandwidth: <0.7 Angstrom
- Tuning: mechanical tilt-tuning
- Blocking filter: B500 with 1.25 inch connection
- Focuser: Helical focuser
- Dovetail bar at standard GP-level
- 1/4-20 tapped base (standard thread for photo-tripods)
- Sol-Searcher included
Optical Specifications:
- Mirror/Lens diam.: 40 mm
- Focal length: 400 mm
- Aperture ratio: 10
- Angular resolution: 3.45 arc seconds
- Full width at half maximum (Angström), less then: 0.7
General Technical Data:
- Eyepiece Barrel Diameter: 31.7 mm
- Mount Type: Optics without Mount
Dimensions & Weights:
- Total length: 41 cm
- Total width: 8 cm
- Total height: 11.5 cm
With Bresser LUNT LS40THa/B500 H-Alpha Solar Telescope you can enjoy your activities without complications. If you like the brand Bresser and their outdoor products, visit the categories of the outdoor products that you are looking for and place your order as soon as possible and receive it in a few days. Our aim at trekkinn is to make high-quality products accessible to all with an efficient worldwide delivery service.
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