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02/26/2008 03:51:02 PM · #1 |
I've got a D70s and am about to purchace either a 50mm 1.4f or the 50mm 1.8f lens. Only thing is I can make up my mind on which one to get. Should I go for the 1.4f (which is twice the price) or get the 1.8 which seems fine but much cheeper. I guess my biggest question is does anyone know the difference, if there is any in, in quality of optics between these two lenes? Also how much difference will 1.4f be over 1.8f, like would it be noticeable or would it be one of those things that never bothers a person.
Any help/advice would be great.
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02/26/2008 04:58:12 PM · #2 |
| I'd love to add some advice, but I only know Canon. I'd purchase the extra stop tho. |
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02/26/2008 05:01:56 PM · #3 |
A few thoughts:
A) The crop sensor removes much of the difference between the two as far as sharpness. Most of the problems with the 1.8 are on the corners and the crop removes much of this. That being said, the 1.4 is probably still mildly superior in sharpness.
B) The bigger difference is USM vs. a geared motor. The 1.8 focuses very slowly. This isn't a big deal for portraits, but if you are trying to do photojournalism or the like, the USM is probably going to make a huge difference.
C) The 1.4 is built much more solidly than the 1.8. That might make a difference to you or maybe not.
EDIT: Sorry, I was speaking of Canon lenses. :) I wonder if the same holds for the Nikon ones...
Message edited by author 2008-02-26 17:02:46.
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02/26/2008 05:10:38 PM · #4 |
One thing to consider is the background blur. Look at the aperture on both lenses. How many blades does each of them have? Are the blades cured to make the aperture circular?
The more evenly round the aperture, the "smoother" the BG blur will be when shooting open. |
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02/26/2008 05:53:10 PM · #5 |
If you need to shoot at f/1.4, your choice is obvious. Also, the 1.4 is a bigger, heavier lens, with better build quality. But, the 1.4 is a specialty lens, optimized for the wide end of the aperture range. If you're shooting wide open, or nearly so, you'll get sharper, better results from the 1.4. At smaller apertures though, the little difference there is in sharpness between the lenses actually favors the 1.8. Slightly.
So, the answer is....it depends. |
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02/26/2008 06:09:08 PM · #6 |
Originally posted by DrAchoo:
A few thoughts:
A) The crop sensor removes much of the difference between the two as far as sharpness. Most of the problems with the 1.8 are on the corners and the crop removes much of this. That being said, the 1.4 is probably still mildly superior in sharpness.
B) The bigger difference is USM vs. a geared motor. The 1.8 focuses very slowly. This isn't a big deal for portraits, but if you are trying to do photojournalism or the like, the USM is probably going to make a huge difference.
C) The 1.4 is built much more solidly than the 1.8. That might make a difference to you or maybe not.
EDIT: Sorry, I was speaking of Canon lenses. :) I wonder if the same holds for the Nikon ones... |
I think the Nikon 1.8 is built better than the Canon 1.8. I have used both and its just what it seemed like to me. Not really a Canon/Nikon bash, i wish Nikon had the lens selection of Canon. I haven't used the the 1.4 but from the experts on the interweb it handles chromatic abberration better wide open. Another thought to consider is using a 1.4 and 1.8 lens at 1.8, the 1.4 will be sharper as it is being stopped down. I love my 1.8 and still find it to be the sharpest thing I have with the Tamron 17-50 2.8 close behind. I think its more like 3 times the price at around $280 dollars for the 1.4. |
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02/26/2008 07:42:13 PM · #7 |
I have the 50mm 1.4 for sale on this thread, it has been a phenomenal lens, and I've absolutely loved it, only reason for selling is that I'm swappin over to Canon. PM me if you are interested.
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03/29/2008 11:05:35 PM · #8 |
Thank you all for your comments and advice. And after much deliberation I have abanded the prime lens and have opted for the (very nice) tamron 28-75mm Di f2.8. It gives me so much creativity and isn't too bad under low light. Plus a very sharp and clear lens.
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