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f Kowa TSN-EX16 1.6x Extender
Magnifying glass Click on the image to enlargeScroll over the images for more photos

Kowa TSN-EX16 1.6x Extender

The Kowa TSN-EX16 increases the magnification of current Kowa TSN-99, TSN-880 and TSN-770 spotting scopes when combined with an original eyepiece. Kowa's optical technology and superior lens coatings deliver superior optical performance with less than 5% light loss, even at high magnifications. Perfect for long distance observation and digiscoping for both land and astronomical subjects.

Application Kowa TSN-EX16 1.6x Extender

The high quality TSN-EX16 is easily mounted between the screw thread on the body of the Kowa TSN-99/880/770 and the eyepiece. The styling fits perfectly with the body of the spotting scope.

The TSN-EX16 has a bayonet connection for Kowa compatible eyepieces. (The TSN-EX16 can be used on both straight and slanted telescopes of the Kowa TSN-99/880/770 series.

Due to the special composition of the extender, you have almost no light loss despite the enormous magnification. It is even possible to use multiple extenders to achieve an even larger magnification.

with 1 extender
TSN-99 TSN-880 TSN-770   Magnification with 2 extenders TSN-99 TSN-880 TSN-770
TE-11WZ / 11WZII 48x - 112x 40x - 96x  40x - 96x   TE-11WZ / 11WZII 77x - 180x 64x - 154x 64x - 154x
TE-80WZ 64x 56x 56x   TE-80WZ  102x  90x  90x
TE-20H 48x 40x 40x   TE-20H  77x  64x  64x


  • 1x Kowa TSN-EX16 1.6x Extender
  • 2x Portection caps
  • 1x Manual

Currently out of stock.
Expected delivery time: 2 weeks
Email me when in stock.

Price incl. VAT: € 329,00


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