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DAY 31 EXPERIMENTATION

rambler

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DAY 31 EXPERIMENTATION

31 Jan 2013 9:49PM   Views : 995 Unique : 406

Something a bit different this time with a test of the new Canon F 1.8 50 mm prime lens. To gauge its Depth Of Field or focus range I took the following shots at F 1.8, F 2.8, and F 5.6 respectively. It may not be a really scientific test but it does clearly illustrate the difference at each setting. I hope this is of interest to you.

img-7863-edited-1.jpg

f 1.8 at 1/1250th of a second exposure

img-7864-edited-1.jpg

f 2.8 at 1/ 500th

img-7865-edited-1.jpg

f 5.6 at 1/100th

It is interesting to note how the focus has improved more in the foreground range. Further f stop adjustment up to f 22 would improve the background or distant range too with little improvement in the foreground. To illustrate my point:-

img-7869-edited-1.jpg

f 22 at 1/6th

Note how the change from a large aperture at f 1.8 to the smallest aperture at f 22 has affected the shutter speed to obtain the same exposure under the same lighting conditions.

Comments


Gary66 3 158 England
1 Feb 2013 11:03AM
Nicely done, Pics always help us learners. Smile

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