February 13, 2017 8 min read
The Kowa TSN-880 is the flagship scope for Kowa. It uses an 88mm Fluorite Crystal objective lens. This ultra low dispersion material eliminates color blur and is superior to typical optic glass.
The Kowa TSN-770 series uses a 77mm XD lens that has similar attributes to the Fluorite Crystal used in the 880. Both use the Prominar rated eyepiece that uses 2 XD lenses. This is not a common practice, even in high end optics.
We heard some rumors of Kowahaving a Fluorite Crystal 55mm spotter in the works. A TSN-553 angled or the TSN-554 straight spotting scope. This should be an outstanding light weight spotting scope (frankly something we have wished the optics industry would make for a long time, a high end, lightweight spotting scope). With a 15-45x XD eyepiece and an expected weight under 2lbs, we cant wait. Look for more info in our insider's newsletter in the next couple months. We'll be getting one in our hands as soon as we possibly can!After hearing such good reviews, we decided to get the TSN-773 angled 77mm scope, so we could compare side by side to some of the other spotting scopes we use. The first thing I noticed was that the scope shipped the very next day. And being located in CA meant it was only a couple days shipping. That is great for our customers as we will be able to drop ship spotting scopes straight from Kowa, and have them arrive very quickly! When I pulled the scope out of the box I was impressed with its smaller size. I was thinking that a 77mm spotter would be HUGE, but it wasn't too much bigger than the Swaro ATX 65mm we have in the shop. As usual, one of the first things we do is put it on the scale. Right at 59oz. For comparison here are the weights of some other 65mm angled scopes. Also note that i am using the premium eyepiece on both the ATS (25-50x wide angle) and the Kowa (25-60x wide angle). They both have lighter eyepieces, but most buyers are going to go with the better wide angle zooms. Pretty easy to see by the above chart that the Kowa TSN-773’s weight is very close most of its 65mm competitors. However the weight of the Swaro ATS is quite a difference and makes it an attractive option. I also made a chart to compare the street prices of each of the scopes. Again, the Kowa is VERY competitive when it comes to price. Especially considering it is a 77mm spotter vs the 65mm class.
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