Sony NEX-5 Digiscoping with Kowa TSN-884

sony nex-5 digiscoping kowa spotting scope
sony nex-5 digiscoping kowa spotting scope


Here are images from Torimian who uses the NEX-5 and the 18-55mm OSS lens with a custom bracket for digiscoping. The scope of choice is the Kowa TSN-884 Prominar PFC 3 88mm with the Kowa TSN-VA3 Camera Adapter with Integrated Eyepiece. So what is the effective focal length of this combination? Crop Factor * Eyepiece Magnification * Focal Length = 1.5*14*(35mm to 55mm) = 735mm to 1155mm zoom lens.

Several features of the NEX makes it a great digiscoping camera:
  • The NEX's 7 frames per second burst shooting allows you capture multiple images at a time so that you don't miss a shot and even catch birds in flight.
  • The tilting LCD lets you position your scope at various angles.
  • The weight of the NEX makes it easy to attach to various eyepieces.
  • The E-mount can accept most lenses via adapters.

sony nex-5 digiscoping kowa spotting scope

Effective focal length of 735mm to 1155mm zoom lens



The custom machined aluminum allow bracket shown below allows the Sony E-mount 18-55mm OSS lens to be mounted on the Kowa TSN-VA3 Adapter / Eyepiece. It is available through Yahoo Japan Auctions.

sony nex-5 digiscoping kowa spotting scope
sony nex-5 digiscoping kowa spotting scope
sony nex-5 digiscoping kowa spotting scope
sony nex-5 digiscoping kowa spotting scope
sony nex-5 digiscoping kowa spotting scope
sony nex-5 digiscoping kowa spotting scope
sony nex-5 digiscoping kowa spotting scope


Thanks Torimian!

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