This may have been answered elsewhere and I should know the answer... All things being equal, an i mage taken by both lenses (24-70 f2.8 and 24-70 f4) of same subject, same body, same settings, both wide open, other than shutter speed one stop differ...
Hi all, Can someone explain to me in laymens terms what is the advantage of having a higher or lower macro as shown below. Thanks!
I have some internal dust that I am wanting to clean out from my lens, but I could do with the manual to assist in the disassemble of the front section to clean off the dust that has built upThank
I have a T1i and am looking for a new lens for an upcoming trip to Italy. I am currently using a 28-135 as my everyday lens and am wondering if there is a better option to use as my everyday lens over there to be able to capture the sights. I am go...
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...
Where I find a list of non-Canon lenses that are compatible with a Canon EF 1.4X & 2.0 Extenders?
need to buy an used but in excellent condition lens 20-70 mm. Any ideas? I photograph boxing.
Lens has focus problem, does not go above 3m
I have a very well used, extremely loved Canon 10d. I would like to get a Rebel T5. Can I use my 10d lenses on the T5?
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...
