It happens all of the time and at all apertures. I tested two other lenses and they do not show this problem. The camera’s lens could be dirty. My 50MM 1.8 seemed equally sharp on both sides with a little fall off on the edges which I would expect. I can't figure out why my video's are blurry. When condensation forms on a security camera, it can blur lenses and compromise image quality. If the shutter speed is too slow, the camera picks up that movement, and it looks like a blurry photo. Additionally, you should set the [IS Mode] to [Off] when shooting with a tripod. I'm trying to shoot jewerly but it looks terrible. 2. I wanted a zoom to take pictures of sporting events like soccer, baseball, and horseback riding. If your camera moves, even a little, as you press the shutter button your picture might turn out blurry. I did use a flat surface and the camera was square to it on a tripod. I recently purchased a used Canon 55-250mm IS lens and it works nicely at 55mm(even with lower shutter speed, and f/4 aperture), but turns out quite blurry at longer focal lengths, even with a shutter speed of 1/800, f/11 and while mounted on a tripod. Every single picture I take with this lens is blurry. I have a canon xsi that takes lovely, crisp pics with the EFS 18-55 IS lens and a EF 50 1:1.4. For example in summer there may be condensation in the morning on the outside of the camera lens. On the left side of the lens barrel, there's a small switch with two positions, marked AF and MF. This first one is pretty easy. This is commonly called ‘camera shake’. The weight of your camera and lens can influence this. How fast your shutter speed needs to be depends on how steady you can hold your camera. Check the Exterior of the Lens. Make sure your shutter speed is faster than the equivalent of your focal length. Attach the camera to a tripod. Make sure the switch is set to AF. This is the first time I've used the video feature on my 5D II so maybe I've missed something. First thing I do with a blurry image is to clean the lens and check the video. For instance, if you are zoomed to 100mm, your shutter speed should be 1/100th of a second or faster to avoid camera shake. One of the simplest and most common reasons for a blurry image is a dirty lens or water droplets on the lens. Exactly this happen with my 60D... And only happen when wide focals are used, but If I'm using long focal everything is very sharp and clear. I purchased Canon zoom EFS 55-250 1:4-5.6 IS. For details on the setting screen that appears on your camera or the [Shooting Modes] in which the [ISO Speed] can be set, see the table at the end of the page. I have been adjusting the viewfinder without the lens so the focus points are clear and sharp,and I see them clear without the lens, but when the lens is on and wide angle the blurry is there again.. Cameras that are installed outside will get dirty and wet. I also tested the 18-55 MM IS. Note that when the switch is set to AF, normally speaking the camera refuses to take a photo if it can't... - Canon … 1. Condensation is because of 2 factors, humidity and temperature difference between the air and the camera. Before you jump to buying a new camera, go through this quick checklist with us to see if your blurry backup camera has a quick fix. Check the following: (1) Autofocus might be switched off. If you’ve got a blurry backup camera, it might just have some rain, mud, or other type of grime on the lens. A fixed lens camera that is out of focus must be replaced. Condensation occurs on the warm side of the glass.