I just got my first Canon L lense and after some research, I decided not to purchase a UV filter as protection for the front glass element. Then I happen to read the (B&H) overview for the EF 16-45 mm F/4 L , which states that "when paired with an o...
I have read a lot about APS-C sensors and the differences between EF and EF-S lenses. I still have two remaining questions regarding how EF-S lenses are marketed. 1) Do EF-S lenses need to have the 1.6x factor applied for effective focal length or ar...
I just purchased an EOS Rebel SL1 bundled with an EF-S 18-55 IS STM lens. After taking a couple dozen pictures, I noticed the lens makes a faint click noise when zooming from 35 to 55, like a spring is tripping. It does this every time. It does no...
Hi can't seem to get a sharp a image with my 70- 200 as I can with my 100-400mm. Should I be getting just as sharp photos with both lenses. I still have a warranty with best buy.
For some reason my recently acquired lens will not focus sharply on my 40D, yet it focuses properly on my 7D. All my other lenses (EF70-200 f2.8, EF-S17-55 f2.8, EF28-70mm) also work properly on my 40D. Any ideas what my problem might be?Thank for yo...
Well I just discovered something interesting by accident. I just tested the focus on my 70-200mm f2.8 lens on my new 7DMKII. I found if I turned the manual focus ring CW before calling for the camera to autofocus it was spot on. However, if I turned ...
I'm considering getting a Canon EF 16-35mm f/4L but I don't have a full frame camera, although I intend on getting one in the future. I was wondering if getting this lens now makes sense considering I currently have a T1i right now. As of now I don't...
