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uv_halo 01-09-2013 02:10 PM

Good lens for tourism?
 
I'm trying to decide on a good lens for when I travel but, also to round out my set.

I currently have a Sony Nex-5n and, I love it. To make it easier for other camera owners to participate I'll list my current lenses in their 35mm equivalency.

I've got the Kit lens with f/3.5-5.6, 27-82.5mm, and optical stabilization (OSS)
I've got a Telephoto zoom lens with f/4.5-6.3, 82-315mm Equiv

I'm considering a prime lens at around 50mm (Equivalency) as I've heard it's good for street photography and most of my tourism is in city centers, or museums, and occasionally, landscapes. A single lens would help me maintain mobility.

That leads me to two lenses:

A Sigma with F2.8, 54mm but, no OSS, at $199
A Sony with F1.8, 52.5mm with OSS, at $448

Are my thoughts sound?

Falcon16 01-09-2013 03:10 PM

those sound like solid choices for street photography. depending on the lighting in the museums you might need the extra stop to avoid extremely high ISO's and noisy images or slow shutter speeds. personally I carry a 50mm 1.8 with me most of the time as a walk around lens though that'll probably change when my 40mm pancake 2.8 arrives. personally if it were me depending on the amount of traveling I'd be doing I'd split the difference and go with a cheaper lens and small external flash. Basically unless you're willing to lose a lens don't buy for a vacation or such. I find that's a good rule of thumb to follow. Another thing you may want to look at is how long the lenses are as if you have a shorter lens it may be easier to slip the NEX-5 into a pocket out of sight.

noclue119 01-09-2013 03:38 PM

I would go with the biggest Aperture(smallest F stop #) you can afford.

uv_halo 01-09-2013 04:18 PM

Quote:

Originally Posted by Falcon16 (Post 2587401)
those sound like solid choices for street photography. depending on the lighting in the museums you might need the extra stop to avoid extremely high ISO's and noisy images or slow shutter speeds. personally I carry a 50mm 1.8 with me most of the time as a walk around lens though that'll probably change when my 40mm pancake 2.8 arrives. personally if it were me depending on the amount of traveling I'd be doing I'd split the difference and go with a cheaper lens and small external flash. Basically unless you're willing to lose a lens don't buy for a vacation or such. I find that's a good rule of thumb to follow. Another thing you may want to look at is how long the lenses are as if you have a shorter lens it may be easier to slip the NEX-5 into a pocket out of sight.

Thanks. What tradeoffs would you be making by dropping to the 40mm pancake? I don't have a 40mm equivalent as my closest are the $1K Zeiss 36mm (f1.8), the ones I mentioned above.

There is a f2.8 24mm lens for $248 how would that one compare? I like the compactness as it brings the objective end of the lens to stick out only a little bit more than the grip area.

Quote:

Originally Posted by noclue119 (Post 2587422)
I would go with the biggest Aperture(smallest F stop #) you can afford.

Thanks! I was beginning to suspect as much simply just because that seems to be the major price differentiator.

Falcon16 01-09-2013 04:43 PM

only compromise on the 40mm is the 2.8 aperture max as opposed to a 1.8 on the 50. With that said the 40 is useable wide open whereas a 50mm is just starting to get tack sharp at 2.8 and reaches peak sharpness around F4 in most cases. a 24mm 2.8 would compare it would just simply be a wider FOV. There are 28mm 2.8's as well but my main reasoning for getting the pancake was that it's tack sharp across the entire frame wide open has a short MFD and can get great bokeh when used as a macro lens or even doing portrait work where you want some background for contexe

noclue119 01-09-2013 04:49 PM

Quote:

Originally Posted by uv_halo (Post 2587459)
Thanks! I was beginning to suspect as much simply just because that seems to be the major price differentiator.

Ya bigger aperture(smaller f stop number) allows more light to come through. Which makes allows you take fast moving objects zoomed in or with lack of lighting.

I am not sure how Sony's F stop number works but I am more use to the Cannon Lens

I bought my dad a Canon EF 17-40mm f/4L lens
Aperture Maximum: f/4
Aperture Minimum: f/22

shadow_772 01-09-2013 04:57 PM

My go-to right now has been the 17-40.
Really enjoying it... now I am dying for a tripod :\

uv_halo 01-09-2013 05:11 PM

So, it looks like I'm back to the two 50ish lenses.

How important do you think the optical stabilization is for general tourism (street, museums and occasional landscapes)?

Arson24 01-09-2013 06:02 PM

Quote:

Originally Posted by uv_halo (Post 2587503)
So, it looks like I'm back to the two 50ish lenses.

How important do you think the optical stabilization is for general tourism (street, museums and occasional landscapes)?

OS or IS is useful when using slower shutter speeds or telephoto lenses
as the camera shake is noticeable

Kermit 01-09-2013 06:03 PM

At that focal range, I don't think it's terribly important as long as you have decent lighting and a fast lens. On my 70-200 f2.8 IS II I can get a cleaner shot at 100mm without IS than I can with my 28-135 at 100mm with IS turned on just because of the amount of light coming into the lens.

For general shooting on a crop sensor camera, my favorite lens is around a 35mm. That's a really comfortable all around lens for anything from landscapes to portraits. The Sony 16-50 looks like a great choice for around $550, it's f2.8 constant which is very doable in low light situations and the focal range will work great with anything from landscape shots to portraits.

Hope that helps.


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