วันเสาร์ที่ 17 เมษายน พ.ศ. 2553

Celestron 52250 80mm Ultima Zoom Spotting Scope

Celestron 52250 80mm Ultima Zoom Spotting Scope




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The Ultima 80mm offers a step up in aperture from the 65mm, offering 50% brighter images. The 80mm refractor features excellent multi-coated optics packed into a portable and durable refractor design and it comes standard with a 20-60x zoom eyepiece. This series was designed to perform well in a range of viewing situations, making it a great all-around optical instrument. You'll love it for observing nature and long distance spotting. The green metal optical tube allows for subtle observation in any nature environment. Ultima spotters are a great companion for any nature or outdoor enthusiast.

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Customer Reviews
For decades, Celestron has had a good reputation among amateur astronomers for producing high quality optics. Their Ultima line was made in Japan and was competitive in performance with much more expensive European optics. More recently, they've gone to China, and predictably, the quality has fallen off noticeably. But the upside is that the prices have come down considerably, too.



The Chinese-made Ultima 80 spotting scope offers very good resolution and high light transmission at a bargain price. For those who don't demand the very best there is, the Ultima 80 represents a good value. It's well constructed, the controls operate smoothly, and the optical quality is very decent for the price point. Lenses are multicoated and the tube is waterproof. There's a slight amount of chromatic aberration and edge softness, but these have to be expected in this price range. Neither is bothersome for the vast majority of applications. What is bothersome is that eye relief is insufficient for eyeglass wearers at powers above 30x.



For nature study, the rifle range, or very casual astronomy, this is a good buy.


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