SP AF 17-50mm F/2.8 XR Di II VC LD Aspherical [IF] [Model B005] Home  |  Zoomin Site
Attention
Lens exclusively designed for APS-C size image sensors on digital SLR cameras.
Image Circle for Di-II Lenses The Tamron Di II lens series is exclusively for digital SLR cameras with APS-C size sensors that are smaller than those that are used with 35mm film. By adopting an optical system that has been optimized for the APS-C size image circle, Tamron has achieved a user-friendly angle of view and groundbreaking spec, while at the same time producing a light, compact lens with excellent mobility.

* Photographs taken with this lens attached to a 35mm format camera will result in dark outer edges (vignetting will occur). For this reason, please be aware that this lens may not be used on 35mm film SLR cameras or digital SLR cameras with an image sensor larger than the APS-C size.



Di II lenses for Nikon are not equipped with aperture rings.
Di II lenses are designed for exclusive use on digital cameras equipped with APS-C sized image sensors. All digital SLR cameras made by Nikon are designed to operate diaphragm of lenses with dials on the camera side, not with aperture rings of lenses. For this reason, Di II lenses, Di II lenses designed for exclusive use on Nikon digital SLR cameras with APS-C sized image sensors do not require aperture rings structurally.