For Sale Status: Active  Ad Category: Telescope-Refractor  Ad # 100335 Takahashi toa 130ns 5 inch apo refractor takashi toa130ns Ortho-Apochromatic Triplet Lens incorporates an FPL-53 Extra-low Dispersion glass element sandwiched between two crown glass to eliminate chromatic aberration. The Takahashi TOA-130NS Refractor Telescope provides 1000mm focal length and an f/7.7 focal ratio, which provides a 40mm image circle and a photographic field of 5.3 degrees for unvignetted imaging. For superior light transmission and excellent contrast, all surfaces are fully multi-coated with multiple layers of antireflection materials and the tube interior is knife-edge baffled. The Takahashi TOA-130NS Refractor Telescope offers a quality 2.7" rack and pinion focuser featuring 222.5mm of back focus. Offers an outstanding resolution of 0.89 arc seconds and limiting visual magnitude of 13.1. Price: £4,000 Posted on: 2015-07-13 09:41:18 Last Updated on: 2016-04-29 10:48:30 New or Repeat ad: repeat Because this advert is archived, the contact info has been removed This advert has been viewed 371 times Report this ad to the webmaster Close this ad & go back to listings Jump to Ad Number:

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