Hey, I just bought a used 18-135 IS STM recently. Unforunately, I've ran into a problem where on the top right corner of the image, it looses its sharpness. Here is a sample photo from the 18-135: Compared to a sample photo from my old 18-55 IS (N...
My 70-200 Lens has no issues with auto focus and is crystal clear however it now seems to only have a very small area in sharp focus even at different apetures. It's not happening on ever single photo but it's becoming more frequent. Any idea of what...
Quick question for those of you with the 24-70 F/4. Tried searching but couldn't get a concrete answer. The macro feature of this lens is activated by turning it past the 70mm length... can it be used throughout the focal range or is it only at 70mm?...
Hi allI'm going to Myanmar for two weeks soon, and want to start planning what to bring of my photography gear. I want to be able to shoot various things such as landscape, portraits, timelapse and some video.The gear I have available to bring is 5d4...
I had a broken autofocus 18-55mm IS II kit lens. Here is the problem: After manually pull the autofocus ring to the infinite, then the autofocus seems can "hunt" backwards;But it just won't "hunt" forwards, just gave a faint click sound. I opened it ...
I have this lens for almost 12 years (was purchased in 2006). The tighten/loose ring did not work long time ago. Since this lens is old (but still function very well), I decided to fix it myself. In the same time, I hope I can do a good service clean...
Hi GuysAppreciate any help hereI have my camera (5d mkiv) set up on tripod and trigger with my 400mm lens. It is set up as one shot with the center focusing point. I take a picture in live view at 25m and it is pin sharp, however when i use normal p...
Have recently noticed some dust or possibly fungus on my 24-70 rear element. Would CPS clean this, any ideas? Thanks in advance.
I have seen a lot of people use Tamron and Sigma lenses and always wanted to know how they compare to a Canon lens, specifically in the 600-800mm range? I want the best quality pictures possible, but will I be disappointed with a non-Canon lens? I ...
I recently purchased a FF 6D mk ii and am looking for a good high quality portrait lens for use. Coming from a crop sensor I would like something similar to my 50mm 1.4 lens which would be closest to an 85mm on a FF.I have take so many great photos ...
Hi everyone. I decided to run some sharpness tests on my L lenses. Trying to work as scientifically as possible, I adhered two pages of text from a magazine to a flat board, mounted it up, put camera bodies/lenses on tripod, measured everything to i...
Hey all new to the forums. Looking for a wide angle lens for my rebel 3ti. I am a woodworker by trade and sometimes find myself in small rooms that I just cant get into frame. Mainly kitchens. I would like to be able to fit an entire kitchen or room ...
Hi there! I'm about to purchase my first Canon camera and I'm quite thrilled about it. I would say I'm an "experienced" beginner as I took some photography classes in school but after a few years of thinking about it, I've finally decided to get invo...
Hello, My wife bought me a T7I kit for Christmas to use on our Safari next summer. It came with some very nice close range lenses, the telephoto lens however is an older EF 75-300MM. After a lot of testing with the 75-300 I fear it just does not...
Just purchased an EF 100-400mm f/4.5-5.6L IS II USM lens from B&H and found it did not come with an instruction manual BOOKLET. It did come with a warranty paper and one piece of folded paper that says EF Lens Instruction for different models of EF ...
