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f Kowa Samsung Galaxy Adapter TSN-GA4s
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Kowa Samsung Galaxy Adapter TSN-GA4s

The Kowa TSN-GA4s Samsung Galaxy Adapter is a lightweight and durable digiscoping accessory compatible with the Galaxy S4. The TSN-GA4s is used to capture images with a Galaxy S4 transmitted through a spotting scope eyepiece or binocular ocular. Your Galaxy S4 is mounted onto your spotting scope or binoculars by simply placing the phone into the cradle and attaching the necessary adapter ring. Within seconds, your Galaxy S4 lens perfectly aligns with the image of your spotting scope or binoculars and can be used to photograph or film birds, butterflies, animals, landscapes etc. The 2 included adapter rings ensure compatibility with many common eyepiece and ocular diameters. To view a list of compatible adapter rings and spotting scopes and binoculars, please click here.

Kowa TSN-GA4s Samsung Galaxy Adapter Specifications

  • The supplied 41 mm binocular adapter ring is suitable for the Kowa BD42, BD32, SV50, SV42, SV32, YF30, Emperor 8x42, Emperor 10x42, Escape 8x32, Escape 10x32, Pro Phase 8x32, Pro Phase 8x42, Pro Phase 10x32, Pro Phase 10x42, Pro Phase 10x50 and Pro Phase 12x50.
  • The supplied 56 mm spotting scope adapter ring is suitable for the Kowa TE‐10Z, TE-11WZ and TE‐17W lenses for the TSN770 and TSN880 spotting scopes series.
  • Separate adapter rings for the BD25 and BD42XD binoculars and TE-9Z ocular can be found in the optional accessories tab below.
  • The Galaxy S4 cradle is made of an epoxy construction, which will not damage your phone.


  • Kowa Galaxy Adapter TSN-GA4s
  • Neckstrap
  • Adapter ring for the BD42, BD32, SV50, SV42, SV32 and YF30 binoculars
  • Adapter ring for the TE‐10Z, TE-11WZ and TE‐17W scopes

In stock

Price incl. VAT: € 59,99

Suitable for:HelpSamsung
Attachment:PDF bestandDownload handleiding tsn ga4s eng
Attachment 2:PDF bestandDownload kowa compatibility jan2014
Attachment 3:PDF bestandDownload kowa selectionschart

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