50mm & 17 ~ 55mm kit lens? what is the difference?

February 7th, 2011
Hi,

I was wondering if anyone could shed some light on this...I've been considering getting myself the oh so popular 50mm 1.8 or 1.4. I've had people question me about why I would get that since my kits lens falls with in that range. From what I know, the benefits are really being able to capture images in low light settings, clarity & the speed of the lens, right? Or am I missing something? Is there a better lens for me to get that would give me more options? I really want to shoot in low light settings ,shoot things up close & portraits.

Thanks so much!
Celly

February 7th, 2011
You've pretty much got it. The kit lens is something like f/3.5-4.5, which is a bit limiting in terms of low light and getting a really shallow DOF. If you're looking to do portraits or low light photography without a flash you really can't do much better than a fast prime lens.
February 7th, 2011
the 50mm is a prime lens as opposed to your kit lens which is a zoom. they both have tradeoffs.
see this article for a good explanation.
February 7th, 2011
I love my f/1.8 because of the shallow depth of field that it provides. You can shoot in lower light.. but only if you want a shallow depth of field.
I once took a photography class where the teacher told us that a 1.8 wasn't very useful because you couldn't get the entire portrait in focus. (I totally disagree with him about it not being useful... it is my Favorite lens).. the point is though, a good portion of picture won't be very sharp. I hope this makes sense.
February 7th, 2011
I have a 1.8 and I absolutely love it. It's definitely my favourite lens in winter (as opposed to my macro in summer).
February 7th, 2011
@tamallamma The teacher was right though, at f/1.8 you can't get a whole face in focus.
February 7th, 2011
@vikdaddy - Right.. I just meant he was wrong about it not being useful. = )
I love my 1.8.. It is almost all I use.
February 7th, 2011
@tamallamma Oh I getcha... I use the 50mm f/1.8 often, it's really sharp especially when you stop it down to a lower aperture.
February 8th, 2011
@marubozo @blacktau @tamallamma @luxvivens @vikdaddy @tamallamma ~ thanks everyone! Some really great info here! So very helpful!
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