Sony NEX-5 Digiscoping with Kowa TSN-884
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. 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 Adapte