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Kowa TSN 773 Angled Spotting Scope Special Offer Kit
This kit contains the following;
- Kowa TSN 773 Angled Scope Body
- Kowa TE-11WZ II 25-60x/30-70x Wide Zoom Eyepiece
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Kowa TSN 771 & 773 Angled Stay on the Scope Case
Kowa TSN 773 Angled Scope Body
The PROMINAR models TSN-773/774 using an XD objective lens with low dispersion properties to diminish chromatic aberration.
The performance and compactness of these spotting scopes are second to no other scopes in this class.
Dual focus mechanism (Quick and fine focusing)
The well established Kowa focus system has progressed to a new dual focus system. The quick focus, with a large and easy to turn knob, will focus from infinity to five meters in two revolutions.
The fine focus, with smooth movements and pinpoint accuracy, is extremely useful at high magnifications and for digiscoping systems.
Eyepiece locking mechanism
Kowa's standard eyepiece bayonet mount has been passed down to these new spotting scopes with a new attractive feature.
An eyepiece locking mechanism has been added to the mount to prevent the eyepiece from getting lost or falling out unexpectedly.
Magnesium alloy body
The magnesium alloy body made by a sophisticated molding process called thixotrophic molding has the feel and strength of a traditional metal body with decreased weight when compared to other large-diameter scopes.
The rugged structure can tolerate the severest conditions and provides confidence and a sense of security for the user.
"PROMINAR" Lens
One of the major causes of deterioration of viewing quality in optics is chromatic aberration (color blur). Chromatic aberration occurs due to the dispersion of light and the different wavelengths of light focusing on different positions, resulting in a red or purple fringing around the image. The optimum optical material to minimize chromatic aberration is fluorite crystal.
This technology is the result of many years of optical design and has realized great reduction in chromatic aberration, while maintaining a large diameter lens and high contrast images when compared with conventional models.
The XD lens used in our TSN-773/774 PROMINAR models has characteristics similar to those of fluorite crystal to significantly reduce the chromatic aberration. All lenses are environmentally friendly Eco-Glass. (Eco-Glass is an environmentally friendly glass that does not contain lead or other harmful substances.)
XD-Lens
When an XD lens (eXtra-low-Dispersion-lens) is paired with a concave lens with special dispersion properties, chromatic aberration is almost eliminated.
The performance of spotting scopes with XD lenses is very close to that of our flagship models with fluorite crystal.
Compact
The telephoto lens design of using 5 lens elements in 4 groups has successfully shortened the overall length of the scope while keeping a large diameter objective lens without sacrificing optical performance.
The adoption of an inner focusing system has made the prism box light and compact and at the same time decreases the amount of image movement when compared to conventional prism focusing systems.
The highly achromatized objective lens makes the scope as compact as a 60mm class scope without sacrificing performance.
The housing is waterproof to JIS protection class 7 and filled with dry nitrogen gas to prevent the lens from fogging.
JIS 7 = Japanese Industrial Standard / class 7 = Protected against the effects of temporary immersion in water.
Specifications
- Model: TSN-773
- Objective Lens Diameter: 77mm
- Minimum Focus Distance: 5m
- Diameter of Filter: 82mm
- Length: 318mm
- Weight: 1,330g
Warranty: Lifetime of the product
Kowa TE-11WZ II 25-60x/30-70x Wide Zoom Eyepiece
The newly updated Kowa TE-11WZ II follows the recent introduction of the TSN-99 PROMINAR spotting scope. This second version features two different magnification readings; 25-60x and 30-70x. This addition makes the TE-11WZ II compatible with the TSN-99/880/770 scopes, thanks to the two different magnification readings.
Optical Excellence
The TE-11WZ II contains 2XD-lenses to deliver images with outstanding sharpness, even at the maximum magnification. Chromatic aberration has been limited to the highest level due to the quality of the glass used within the eyepiece. Additionally, eye relief remains at a 17mm constant throughout the magnification range. The TE-11WZ II delivers a 20% wider field of view than other Kowa optics so that you can see more at any time.
Key Features
- 2XD-lenses for outstanding sharpness
- Limited chromatic aberration
- Two magnification markings for TSN scopes
- Exceptional field of range
Specification:
- Magnification: 25-60x (TSN-77 & TSN-88) / 30-70x (TSN-99)
- Subjective field of view (degree): 59-70
- Field of view at 1000m: 35-20m (1000yds /105-60ft)
- Exit Pupil Diameter: 3.3 - 1.4
- Relative Brightness: 10.9 - 2.0
- Twilight Factor: 51.4 - 78.6
- Eye Relief (mm): 17
Kowa TSN 771 & 773 Angled Stay on the Scope Case
The case provides additional protection from the elements when the spotting scope is in use. Specifically designed flaps can be zippered open so that you can look through and focus the spotting scope while the cover is still in place.
This stay-on cover remains on the scope body when it is mounted on a tripod. It should also be used to protect your spotting scope when not in use or when travelling with the spotting scope.
This carry case is designed for the 88mm 45° angled spotting scope body.
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