Friday, 12 August 2016

lens - Are the Canon 15-85mm + 50mm f/1.8 adequate substitutes for the 17-55mm f/2.8?


The EF-S 15-85mm lens is a relatively recent lens, and I haven't seen too many recommendations on it thus far. However, most of the reviews have been very positive and the lens is said to be optically on par with the 17-55mm. It sacrifices the constant wider aperture for better zoom range that could translate to fewer lens changes. As for the 50mm f/1.8, it is one of the most recommended lenses, dirt cheap and suited to low light & portrait photography.


The two lens combo is also cheaper than the single one (around INR 53,000 vs INR 64,000). The usage scenarios I have in mind are the following, along with my thoughts:



  • General purpose\travel photography - the 15-85mm seems to be more versatile than the 17-55mm for this, especially when light is not a constraint

  • Portraits - the 17-55mm would be quite versatile in this regard (however, 55mm feels a bit short for getting tight shots, and getting close can lead to distortion)

  • Event photography (weddings, parties etc) - the 17-55mm has the low light advantage over the 15-85mm, and 50mm can get a bit long in closed environments

  • Low light shooting - the 17-55mm is more versatile, but the 50mm has a wider aperture



So, which would be a better upgrade for my current setup comprising of the Canon 550D with the 18-55mm IS & 55-250mm IS kit lenses? Are there any alternatives worth considering in this budget?


Note: I had asked a similar question regarding upgrades for the kit lens, but that was without a particular scenario or lens in mind.



Answer



Before you get any other lens, get the 50mm f/1.8. Its a must-have lens for anyone even remotely interested in portrait photography. You just can't go wrong with it. Actually I never used the 18-55 after I got my fifty prime.


For your zoom needs, you would be better off with a third party lens like the the Tamron 17-50 f/2.8 (non-VC). At INR 21,000 ($440) it costs a third of the Canon 17-55mm f/2.8, and has great overall performance.


Here is my story:


I had a similar dilemma a while back. I had a Canon 500D with the 18-55 kit lens and was looking for a new lens. Since my budget was tight I purchased the 50mm f/1.8 and I was blown away by what a difference the wider aperture made. Amazing low light performance and sweet looking bokeh made it difficult to take a bad shot with it.


But with a crop factor of 1.6, I found it a little too tight for indoor use and while 'zooming with your feet' is the norm with a prime lens, I found myself running out of space indoors.


Also I used to shoot a lot wide open and found that shooting a portrait at f/1.8, even getting both eyes in focus becomes a challenge. Get a second person in the frame and there is no way you can get both people in focus. So I started stopping it down to about f/2.8 which gave me workable DOF while still giving great low light performance.



This made me realize that I needed a lens with the versatility of the kit lens and the wide aperture like the prime. I was on a tighter budget and hence purchased the Tamron 17-50 f/2.8 (non-VC). I have not been disappointed since. I still turn to the 50mm f/1.8 when I really need the extra 2/3rd stop or really shallow DOF, but the Tamron is what I use 95% of the times.


I've shot portraits, concerts, weddings and its always performed well. It would be better if it were a little sharper wide open and if the autofocus wasn't as loud, but its overall performance and versatility trump these minor issues.




PS: I'm a huge fan of bokeh and shoot mostly in low light, so I thought it would be useful to show some examples of what f/2.8 lets you do.


enter image description here


This one shows how you can use the shallow DOF at f/2.8 to get sweet bokeh. The 50 prime would have also done wonders here, but you can't keep switching lenses at an event.




enter image description here


This one was shot with just a candle to the left (out of the frame) and the lighter (in the frame).


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