Im thinking of getting 17-40 f4 L to replace the 17-50 f2.8 non vc. what are your views people? i mostly use the lens to take portraits on outings with my friends but also like to take landscapes of sg in some evenings.
maybe the TS can specify which f2.8 and which f4 lenses he is looking at so that the rest can advise on the OoF, bokeh and lens rendering characteristics.
Assumig you are taking outdoor xmm portraits, the 70-200 f2.8 has a versatile FL and rather good subject isolation capability.
Last edited by ManWearPants; 9th June 2011 at 07:54 PM.
Ok since you mentioned, I actually wanted to compare the 70-200 but just wanted to ask the question in a general manner cos it suited what I want to know abt my tamron 17-50 f2.8 and canon 17-40 f4L.Originally Posted by ManWearPants
if you are considering the canon 70-200 f4 or f2.8, and if you ask me, i would get the 70-200 f4 IS anyday. the zooming feels so much smoother than the f2.8 IS. and it's freaking light.
I have the 70-200 f2.8 IS MkI previously and 70-200 f4 IS now. My take on zoom lens for human portraiture, get the 70-200 f2.8 IS MkII. My reason is the wider aperture allows for more creative control. Also the lens is very sharp that it allows you to crop much more than you can imagine. The MkII has a closer MFD than the MkI so you can get closer, meaning even fuzzier OoF area. I switched from f2.8 to f4 cos I needed a lighter lens for travel. While the f4 is sharp but I have never managed to isolate the subject in a manner that the f2.8 allows me to.
If you do not mind a manual focus lens. You may want to consider a Mamiya 150/2.8 lens. This is a lens for Mamiya medium format but can be adapter to be used on Canon body. The con is that it is manual focus and aperture. The pro is that you can have a very affordable f2.8 lens for portrait. I am always using it wide open so the manual aperture does not bother me.
cross post from alternative thread on mamiya 150/2.8
Being a medium format lens, it has a larger image circle so the cateyes effect is less pronounce.
the larger image circle also allows center to edge sharpness. 150mm at f2.8 has very thin DoF. The lens also renders skin colour very nicely. The book is slightly tilted. The focus is on the name "Lee Kuan Yew"
Without going into controlled tests, this is how the 70-200f4 OoF area will look. Compare to the f2.8 above.
Last edited by ManWearPants; 9th June 2011 at 08:29 PM.
I haven got to the stage of getting a 70-200 yet but those information were very helpful so thanks guys, just wanna see your takes on those 2 aperture.
Kei is female also.Originally Posted by commoner5
One very good example of a not-so-good bokeh from a prime lens will be the Canon F1.8 II.
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