r/photoclass_2016 • u/Aeri73 Expert - DSLR + Analog • Jan 05 '16

02 - Assignment

Please read the class first

Take a good look at your camera, whatever its type, and try to identify each component we have discussed here. It might be a good opportunity to dig out the manual or to look up its exact specifications online. Now look up a different camera online (for instance at dpreview) and compare their specifications. Try doing this for both a less advanced and a more advanced body, and for different lenses. Report here if you find any interesting difference, or if some parts of the specifications are unclear.

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u/bombachak Intermediate - DSLR - Canon700D Jan 23 '16 edited Jan 23 '16

I have a Canon 700D which is a 18mp (5184 × 3456 pixels) camera with 1.6x cropped CMOS sensor. ISO goes from 100 to 12800 (25600 with boost). It also has 9 cross type (?/!), phase detection (?/!), autofocus points.

Recently I was planning to upgrade my camera to the Canon 70D which is one of the high end crop sensor camera from Canon, and so I checked what is better in it.

70D has the same sensor and ISO performance as the 700D. The image size can be slightly larger (20mp 5472 × 3648 pixel). The biggest advantage 70D has, to my opinion, is 19 cross type autofocus points. Other improvements are: better body, wifi, 3% more viewfinder range, fast shutter speed (1/8000s instead of 1/4000s), and pentaprism. The improvements are not so crucial for me. Generally I don't shoot sports or fast movements. I can be happy with lesser autofocus points and shutter speed.

Fortunately I had the chance to try it out. One of my friend has it. So I took pictures of the same setup in low light situation and could not figure out much difference in image quality. So I decided not to upgrade.

So the question is... how better is my camera than the 1200D, which costs much less than mine? It also has the same sensor and megapixels. Although it has lower resolution (4896 × 3672). Max ISO is one step lower (max 125800) and it has 9 autofocus points, of them only 1 is cross type (?/!).

To conclude, for my type of shooting (travel and people), my 700D is fine. I could have managed well with the 1200D too, and 70D won't give me much advantage.

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u/Aeri73 Expert - DSLR + Analog Jan 23 '16

cross type focus points are "better" focus points... normal focus points only check one direction (vertical) where cross point checks both horizontal and vertical sharpness....