The new Sky-Watcher BKP 130 OTAW Dual Speed ••optical tube is a combination of a high quality parabolic mirror and two additional improvements. First, the Crayford 2 "extractor was equipped with a 10: 1 microfluxer, but the tube was shortened to extend the main focus to allow for smooth focusing in astrophotography in the focus of the mirror.
Sky-Watcher BKP 130 OTAW Dual Speed ••is a complete optical tube system designed mainly for astrophotography, but also works well in conducting relatively advanced visual observations, both objects of the solar system, as well as clusters, nebulae and galaxies.
The tube is not particularly demanding in relation to the assembly - it can be mounted on an EQ3-2 class assembly or higher of any manufacturer (Sky-Watcher, Bresser / Messier, Meade, Celestron, Vixen).
| • Optical system: || Newton's headlamp |
| • Mirror figure: || rotating paraboloid |
| • Diameter of the mirror: || 130 mm |
| • Focal length of the lens: || 650 mm |
| • Lighted: || 1/5 |
| • Accuracy of the mirror's performance: || 1 / 8? |
| • Switching capacity: || 0.92 '' |
| • Theoretical range: || 12.7 magnitudes |
| • Maximum useful magnification: || 260x |
| • Dimensions (diameter x length): || 160 x 615 mm |
| • Weight: || 3.7 kg |
The set includes the following accessories:
• Crayford 2 '' / 1.25 '' focuser with micro-processor 10: 1
• 28 mm LE 2 "eyepiece
• 6x30 targetting scope
• tube clamp
• dovetail rail
This device focuses a lot of light. Looking directly at the sun through this device can result in partial or complete loss of vision. For the observation of the Sun, we recommend the safest method of spectacle projection, that is, projecting the image of the target of our day star on a piece of paper.
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