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Old Sep 23, 2012, 3:36 PM   #1
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Default 17-50mm

Sorry in advance for the dumb question. The lens that came with our camera is an 18-105. Someone recommended that we get a wide angle lens, 17-50. This confuses me, isn't the 18-105 going to get almost as wide as the 17-50. Are we really going to gain much from that purchase? Thanks.
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Old Sep 23, 2012, 4:03 PM   #2
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Yes, your 18-105 is almost as wide as a 17-50.

But there are other differences between your 18-105 and a 17-50 lens, besides how wide it goes. Your Nikon 18-105mm lens has a maximum aperture of from f/3.5 (at 18mm) to f/5.6 (at 105mm.) On the other hand, all the available 17-50mm lenses have a maximum aperture of f/2.8 at all focal lengths. That means that they let in a lot more light, so you can use faster shutter speeds and/or lower ISOs when taking the same photos.

If you think that might be something you might benefit from, there are three to chose from. If you need the image stabilization, The Sigma 17-50/2.8 OS is better than the Tamron 17-50/2.8 VC. If however, you think you can do without the image stabilization, the unstabilized Tamon 17-50/2.8 (Non-VC) is a better lens.
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Old Sep 23, 2012, 4:05 PM   #3
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Hi - There isn't much between a 18mm field of view and a 17mm FOV. The only reason I can think of for someone suggesting a 17-50mm lens is you may be able to shoot with a larger aperture, say f2.8 vs. f3.5.

Some of the reviews don't give the 18-105 a very good rating, I've not got one so can't comment. But if you want something a bit better maybe look at the 16-85mm? It's got a solid metal mounting ring and is just more solidly built than the 18-105. Or if you want a general walk-about lens maybe try the 18-200 VR?

For 17-50 I'd suggest the Tamron or if you want something a little longer maybe the Nikon 16-85 or the Sigma 17-70 f.2.8?

Edit - Just seen TCav's post...crossed in mid-air!
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Old Sep 23, 2012, 6:33 PM   #4
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As TCav has already mentioned, a 17-50mm lens won't give you much more than what you already have, in the way of a wider field of view. It is in the area of shooting in low light conditions that a 17-50mm will actually give you a cleaner, sharper image.

As for the 18-105mm lens, it is not particularly sharp. So, if you wanted sharper images, better image quality in low light-night shots than what you're getting now then, a 17-50mm 2.8 lens would be a good choice.

As for wide angle lenses, there are good wide angle lenses i.e. Tokina 11-16mm lens, the Sigma 10-30mm lens as well; as the Nikon 12-24mm f4 lens.
All will give some distortion problems that can be fixed in Photoshop.

Unless you going to get seriously involved in wide angle shooting a good alternative is to use your 18-200mm at it's widest focal length (18mm) and shoot 3 to 4 images, panning the scene. You can then stitch them together in
a photo editing software package.
The end result will be a much more detailed and sharper image that you'll be able to print in a larger size.


So you want to be a better photographer? Open your eyes and take a look at what is all around you.
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