Hello I am trying to decide weather to sell the 100-400 mk2 then get the sigma sport 150-600 i use 600d and 7d the 100-400 with 1.4x will not auto focus any advice? I watch a guy on you tube who hand holds the sigma 150-600 sport . are you sure its h...
Could someone share their thoughts on the Canon 16-35mm f/4 lens? I've read rave reviews on several forums and photographer blogs. I'm torn between this lens and the Sigma Art 1.4. I know that they have very different functions. However, is the low l...
Hey guys, does anyone know where I can find mtf charts of old lenses? thanks Chris
Forgive me is this question has already been addressed but I did not come across it in my search. I have just bought a used canon EF-S 55-250 IS lens and the IS makes a grinding noise when it tries to autofocus. Is this normal? Should I return it ...
Hello, how are you? I have Canon EOS 550D, and I want to make pictures of people in the gym, when they are doing some exercise or just posing. So can someone recomend me which lens should I buy? And that it will be really great quality of picture. Th...
Hello Thought you guys might like to see an example of the 100-400 mk2 in a test setting here you can see my sigma teleconverter just check out the depth of field at 100mm at F4.5 . To explain the setting this is the fire place ledge about an inch be...
If you could only have 3 lenses, what would you choose and why? Also, which focal lengths would you recommend for landscapes, portraits, and architecture? I know I need a wide angle, but am not sure what else. I don't have the money to buy 4 or more ...
Hello I have been working with Canon EF-S 18-55 NON IS lenes and have found a problem I can't seen to solve. The problem is that I do get auto focus but at certain points it will not focus. I have changed the board with a known good one, The motor as...
Hi. So I'm having issues with getting some pretty bad lens flare. Really strange issue Shooting Canon 5D Mk. III w/ a Canon 24-70mm L series lens. I have a lens hood that came with the lens attached. When I shoot in landscape orientation, no issues. ...
Hello, I am hoping to get some feedback. I'm kind of a rookie when it comes to photography. I haven't taken any classes but I already have some projects lined up. I am looking for the best lense to photograph a muscle car. Then I am going to Dubai fo...
I am going on a "one in a lifetime" shoot - flying low and slow over the city of Detroit at sunset/night! I want the best equipment for the situation. I currently have a 70D, and would probably use my 24-105mm f/4L IS USM. I've had a suggestion that...
Hi guys got myself this lens for photographing rooms in propertys. The thing is I am not sure on this but need a little advise I put a normal dg 67mm filter on and I think I can see the filter in the lower left corner is it me imagining it or is this...
I've been looking at the 24-70 2.8 mk ii but it's a shed load of money. Is it really that much difference to a 24-105? I mean in the real world, would you really notice any improvement of image quality?
My Canon 16-35mm f2.8 lens is working fine in auto focus but when i switch to manual focus the focusing ring won't turn
I've been testing the lens out. I took some shots of stuff up close, about four feet away. The below image is a screen capture of a shot, which was cropped 50%. The red square is showing the focus point. The bud used for focus is out of focus, w...
