Product Reviews
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Superb Imaging Scope
I was planning to upgrade my imaging scope assortment and set my spending limit to $4k. I saw a used NP127is on OPT in excellent condition and couldn't pass it up at $6.8k. While my Atik 383L+ mono KAF8300 CCD chip doesn't take full advantage of the full size sensor illumination provided by the NP127is, the NP127is made a significant difference over my 8300 and 80mm APO at f6. Specifically, the flat field (no surprise), crisp details and color contrast. I noticed that with fairly dark skies or with narrow band imaging, the low intensity pixels are quite flat accross the field, so there is a minimal gradient on the background. I have about 16 images from my NP127is posted on Flickr, and comments are typically about the detail and sharpness. In the locations I image, the seeing is usually average at best, and this fast refractor does very well with resolution under not-so-great seeing conditions. I use the Tele Vue Large Field Corrector TE-LCL-1069. My recent narrow band image of the faint Sharpless 2-308 using the NP127is was selected for the NASA AstronomyPicture of the Day for December 24, 2013 at: http://apod.nasa.gov/apod/ap131224.html You can also see other images done with my NP127is and the link to Flickr at my website: www.crabnebula.us I have used it for about 25 nights so far, and I absolutely love it.