The Kowa TSN-66S Prominar kit pairs the straight 66mm fluorite scope with the TE-11WZ II zoom eyepiece, giving 25-60x. The straight body is quick to aim and easy to use from a car window or on a hillside.
66mm pure fluorite crystal
The TSN-66 uses the same pure fluorite crystal technology as the 88mm and 99mm Prominar scopes, in a much smaller body. The image is sharp and colour fringing is very low.
Easy to carry
The magnesium alloy body is waterproof and nitrogen filled, with dual focusing wheels, a pull-out hood with an aiming sight, and a tripod foot with a rotating collar. It accepts the same eyepieces and digiscoping adapters as the larger Prominar scopes.
Why choose the straight version?
A straight scope points where you look, so it is quicker to find a bird, easier to use from a car window or a hide, and simpler for beginners.
What the TE-11WZ II eyepiece gives you
On the TSN-66S the TE-11WZ II wide zoom gives 25-60x. The wide field at the low end makes it easy to find a bird, and you can zoom in for detail without changing eyepiece.
The TSN-66S in numbers
The TSN-66S has a 66mm objective, a close focus of 3.5m and a 72mm filter thread. The body weighs 1155g and is 295mm long.
Which Kowa scope should you choose?
If this isn't quite right, the TSN-66S body is the same scope without an eyepiece; the TSN-66A kit is the angled version; the TSN-88 kit gives a bigger 88mm objective for more light.
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