For example, the Sony a77 can capture 12 frames per second of 24 megapixel images. When you see the specs of Sony DSLRs, nothing will impress you more than the frame rates. Very useful for wildlife and sports photographers. Imagine if I could set my aperture and shutter speed, and then know that the ISO will automatically increase to allow for proper exposure up to a certain level where I know that the camera won't produce too much noise. I love shooting in aperture priority mode whenever I can, but I have to keep watching my shutter speed so that it doesn't dip too low for shooting in the evening when the light is fading fast. I have been asking for this feature for years and I'm so glad to see that Sony has put this feature in the Sony a77 DSLR. Customizable auto ISO Pro#2: Customizable Auto ISO Low light performance is the number one most important feature that I look for in a DSLR. Sony claims to overcome this limitation with advanced noise reduction, but it always makes me think how good the camera could be if it used all of the light. You know what that means… worse low light performance. Unfortunately, it also means that some of the light that could be sent to the sensor is soaked up in the mirror. It also means that the viewfinder doesn't go dark when a picture is taken. There are many advantages to using this technology in Sony DSLRs, and one of them is full-time autofocus for video. This technology is new to popular DSLRs, but it has been used in cameras for years. In contrast to a traditional DSLR mirror that is opaque, the pellicle mirror allows most of the light to go to the sensor while using some of the light to produce the electronic viewfinder image. Many Sony DSLRs use what is called a “pellicle mirror” to show the image in the viewfinder. Benefits of Sony DSLR Cameras (Pros) Pro #1: Autofocus for video I'm rooting hard for Sony, but as you'll see below, there are some serious drawbacks to buying into the Sony system right now. In my mind, competition is always a good thing. I want to mention up-front that I would LOVE to see Sony succeed in the DSLR market–if for nothing else than to put some fire under the seat of Nikon and Canon. I don't want to start an interstellar war over petty differences between camera manufacturers, but I do think that we photographers should be knowledgeable about the real differences between the camera systems so that we can make informed decisions about which brand will earn our hard earned money. Every time I mention differences between Canon and Nikon DSLRs, I get (often angry) emails from readers (almost assuredly Sony shooters), who want an explanation as to why I do not talk more about Sony DSLRs. Today's article is a review of Sony DSLR cameras.
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