I have a tamron 17-50 non vc. Im thinking of getting a 28mm f2.8 prime. is it a waste of money? Are there any benefits about getting the lens? Or should i just keep the money?
Dilemna
- Thread starter gohjialong
- Start date
i dont think there would be much reviews comparing the IQ of 28mm prime lens to the tamron. what kind of reviews should i look out for? any idea? i was thinking that prime IQ should be better but not sure how to find out how the 28mm f2.8 would be better than the tamron if its really better.
Read 2 separate reviews from the same site and compare on your own. Look at sites like photozone.de
keep the money. the tammy already covers the 28/2.8 focal length, with similar IQ.
Basically, prime lenses are more superior than zoom lenses due to the number of elements in the latter. However, if cost is not an issue, go for it. Happy clicking !!
Primes usually have a few advantages over zooms. Distortion control, aperture (larger than f2.8); image quality and size/weight. In terms of image quality, good zooms can near/rival primes and a 17-50/2.8 is a good zoom 
Unless pixel peeping, I don't think the image difference is significant.
Furthermore, a 28/2.8 prime is the same speed as a 17-50/2.8 zoom, distortion is usually minimal on 28-50mm focal length lenses, so the advantage here will probably only be size.
If its a faster 28mm like a 28/1.8, then that is a bit different, but in this case, I'd say save your money.
Unless pixel peeping, I don't think the image difference is significant.
Furthermore, a 28/2.8 prime is the same speed as a 17-50/2.8 zoom, distortion is usually minimal on 28-50mm focal length lenses, so the advantage here will probably only be size.
If its a faster 28mm like a 28/1.8, then that is a bit different, but in this case, I'd say save your money.
no hard evidence to support, but I would rather just use the 17-50/2.8 since it is just as fast and has the flexibility of zoom. IQ difference... hmmm, I think should not be that significant.
Just curious what you're trying to photograph with a 100mm lens.
Outdoor portraits?
Since you have 17-50, i guess safe to assume you have a crop factor camera.
I personally find 100mm to be quite 'tight' unless you have quite a lot of working space.
Outdoor portraits?
Since you have 17-50, i guess safe to assume you have a crop factor camera.
I personally find 100mm to be quite 'tight' unless you have quite a lot of working space.
your right, 500d im using. i was thinking of outdoor portrait lens and didnt want to be too near to my subjects therefore considering saving up for a 85 or 135.
For 1.6x cams, 100mm is already very tight, 135mm will be even tighter (feel like a 200mm on a FF). Your best bet will be a fast 50mm, and/or fast 85mm. You might want to consider a 70-200/2.8, but that is heavy and expensive, but it does give you the flexibility for portraits as well as telezoom.
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70-200 would be out of the question haha. And I have a 50mm although it's 1.8 so I guess ill try the 85 or 135. Will eventually test them out before making my decision la. Haha.
TS maybe you can consider buying (2nd hand if budget tight) a cheaper telezoom like 55-250. Then you try shooting at 85 and 105 and 135 and see which focal length is comfortable. If shooting outdoor in daylight, should still be able to achieve pretty fast shutter speeds.
ZerocoolAstra said:
I have 18-200 haha. So I can try those distances and see which I prefer lor. Just that the aperture would make the difference in pictures with the primes.
correct...
use your 18-200 first.
I have a feeling that you'll find the 100+ mm range too tight for portrait photography on a crop factor cam.
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