Question about APS-C Lenses

ChuckS

ChuckS

Veteran
I just purchased the Tamron AF17-50MM f/2.8 and the Tokina 11-16MM f/2.8, in the description for these lenses at B&H it says that they were specifically designed for cameras like the 7D and are not meant to be used with full frame sensor cameras.

Does this mean that these lenses are as advertised, 11-16MM and 17-50MM respectfully? Or do I still have to multiply by 1.6?
 
Crop factor still applies, but EF-S lenses are designed with a shorter rear element to sensor distance and cannot be mounted on to full frame EF camera. Also, trying to use these lenses on full frame camera will result in noticeable vignetting.
 
I have the SP AF 17-50mm f/2.8 XR Di II LD Aspherical [IF] Autofocus Lens, it does not have any kind of image stabilization, it was $449.

They also have the SP AF 17-50mm f/2.8 XR Di-II VC LD Aspherical (IF) Lens, [VC' stands for Vibration Control and costs $624.

Is the image quality the same? Is VC Vibration Control the same as Image Stabilization? Does it work well with video. The stabilization in the kit lens works very well for shooting video. Is the VC worth an additional $175?
 
VC is the same as Image Stabilization and I think it works well with both video and photos. I don't have any experience with the regular 17-50mm, but I do enjoy the VC version for sure!

Kegan
 
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