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f Kowa Spotting Scope Body TSN773 Prominar
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Kowa Spotting Scope Body TSN773 Prominar

The Kowa Spotting Scope TSN-773 is a robust and clear spotting scope with an objective diameter of 77mm. The Kowa TSN-773 uses an XD lens with low dispersion properties to reduce chromatic aberration. The performance and compactness of these spotting scopes are unmatched in this class.

The body is made of magnesium which makes the weight of 1330 grams considerably lower than comparable models. This robust magnesium body can also withstand the toughest conditions, is waterproof and filled with dry nitrogen gas to prevent fogging of the lens. The Kowa Spotting Scope TSN-773 features an extendable lens hood. This lens hood protects the lens from direct sunlight which can penetrate the spotting scope, but also ensures that rain can't easily get onto the lens.

Main features Kowa TSN-773:

  • XD(ED) lenses
    The high quality XD(ED) lenses with Multi Coating treatment have low dispersion properties to reduce chromatic aberration. Like the TSN-880 models, the curved lens in combination with the XD lens is made of glass with special dispersion properties to reduce chromatic aberration even further.
  • Double focusing mechanism (fast and fine focusing)
    This fast focus, with a large and easy to rotate knob, will focus in two revolutions from infinity to five meters. The fine focusing, with smooth movements and great precision, is extremely useful at high magnifications and digiscoping.
  • Ocular locking mechanism
    The eyepiece bayonet mount now has an attractive feature. An eyepiece locking mechanism has been added to the holder to prevent the eyepiece from being lost or falling out unexpectedly.
  • Compact and lightweight housing
    Very compact, By using the inner focusing system, the Kowa Spotting Scope TSN-773 remains light and compact, creating a large 77mm objective lens in a body length of a 60mm Spotting Scope. Weighing in at 1330 grams, this scope is still easy to handle and carry.
  • Tripod connection
    The addition of a metal insert to the scope's tripod mount allows the scope to be mounted on both 1/4 and 3/8 inch tripods.
  • Waterproof and filled with nitrogen gas
    The housing is waterproof to JIS* Protection Class 7** and filled with dry nitrogen gas to prevent the lens from fogging up.
    * JIS=Japanese industrial standard. ** No water shall enter the housing when submerged in water under defined conditions (immersion resistant).
    The Kowa TSN-773 is not intended for use under water.
  • 10 years warranty

Digiscoping - Check out the possibilities of Kowa.


  • 1x Kowa Spotting Scope TSN-773
  • 1x Objective cap
  • 1x Protective cap Eyepiece holder
  • 1x Manual
  • 1x Luxury packaging

This item is supplied on demand. Contact us for the delivery time.
Contact us for the delivery time.

Price incl. VAT: € 1.895,00

Article number:Help440773
Magnification:HelpDepending on eyepiece
Diameter Objective:Help77 mm
Filter Thread:Help82 mm
Lens type:HelpED/XD
Use:HelpTravel, Hunting, Birdwatching, Plane spotting, Astronomy
Exit pupil:HelpDepending on eyepiece
Lenscoating:HelpFully Multi Coated
Glass material:HelpBaK-4
Length:Help31,8 cm
Weight:Help1330 gram
Warranty:Help10 years
Brightness:HelpDepending on eyepiece
Twilight Factor:HelpDepending on eyepiece
Field of view at 1000m:HelpDepending on eyepiece
Focusing:HelpCourse- and fine tuning
Close focus distance:Help5 meters

Unique in the optics world!


The Japanese Kowa has been long known in the optics world. The brand produces binoculars and spotting scopes from the highest quality. Kowa can match the best brands in the market very well and is regularly tested in various journals.


Clear and bright

Kowa scopes and viewers are ideal for the most demanding users. The strongest light, detail and clarity are very good. There are also various accessories available such as stay-on bags, camera adapters and eyepieces.

To all Kowa products