Customer Review

20 of 22 people found the following review helpful
5.0 out of 5 stars Bargain!, 28 Aug 2013
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This review is from: 1.3MP CMOS Telescope Digital Eyepiece USB Port & Image Sensor for Telescope-1280x1024 PC Record
Easy to install. Similar to other, much more expensive, models sold by mainstream astronomy suppliers. In fact the data capture screen is better than others. I use this on a, popular, 5inch Maksutov-Cassegrain telescope and so far have obtained good images (stills and video) of the moon, Saturn and even double stars. I estimate effective magnification, without a Barlow lens, to be in excess of x300. Users who cannot get an image need to be more patient! The trick with this type of imager is to first focus with a normal eyepiece centering the target carefully. A GOTO or auto-track telescope helps a lot. Then replace the eyepiece with the camera. Adjust the focus very, very slowly (on my scope I turn the focusing knob anti-clockwise to attain focus). The moon is large and easy to image (and very dramatic), planets appear as a transient, usually pinkish, blob as you focus through. Just back focus very slowly, wait a few seconds between each increment to allow the image to settle; Saturn and its rings will pop-out! With a little practice you can achieve very satisfying results. Best to try first on distant objects in daylight. You can play with the camera control software to optimise image.
Only downside is that the data capture is wmv format for video not the avi you need for downstream processing in eg stacking software. However you can convert files, or use other readily available data capture software which does produce avi.
Have learned a lot about astro-imaging using this camera. It produces a great visual record of a lot of my observing.
Look out, there's a comet coming!
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