Posted 02 August 2015 - 08:09 AM
Of the options out there which fisheye would give the sharpest non-circular image on a modern FX camera? Third party or Nikon. In my case a D750.
Posted 03 August 2015 - 10:16 AM
the Samyang/Rokonon 12mm has gotten some great reviews.
so has the Sigma 15mm 2.8.
both 1/2 the price of the Nikon 16mm.
I Haven't tried either but the shots on Youtube look really good.
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Posted 03 August 2015 - 12:05 PM
Digital: D610 backed up by a D1x. Quoted from an unknown source by a fellow planeteer, "Never get rid of a working D1x." I've got to agree.
Film: N90s, F3, F100, F4s, C330s. A few lenses.
Why film photography? I like shooting with the equipment. 6x6 Velvia slides from a C330 have an appeal all their own.
Why automated 35mm/Digital cameras? Event photography is about capturing moments. It often requires quick response. Well done automaton can be your friend or your enemy. It all depends on knowing what it can and can't do. "A man's got to know his (camera's) limitations." paraphrasing Dirty Harry...
Posted 03 August 2015 - 08:48 PM
Posted 04 August 2015 - 08:11 PM
If you go with the Rokinon, I would be very interested in seeing the results. Please post some images.
Posted 05 August 2015 - 10:52 AM
Posted 07 August 2015 - 02:48 PM
I'm not sure I understand the question. Is it possible you are really looking for a rectilinear lens not a fisheye? Fisheye is circular because it's a fisheye (wider FOV for the same length). The rectilinear lenses have narrower field of view without CIRCULAR distortion, the distortion is linear. For most things my favorite wide lens is the 16-35mm F4. It's a rectilinear design and pretty easy to correct distortion and it is as sharp as any lens I own (Shooting on D800E). I also have a Nikon 16mm f2.8 "Fisheye"lens, I really don't like the circular look of the fisheye for much of anything (I'm happy to trade less FOV for linear distortion). I also like an old manual focus Nikkor 15mm F5.6 rectilinear lens but it is NOTHING like the 16mm f2.8 fisheye. I also have a Zenitar (Russian) 16mm fisheye that cost $175 and is very close to the 16mm Nikkor in image quality but has the same amount of circular distortion and FOV).
Maybe the best way to compare lenses is going to be by their FOV. As they become more rectilinear (less circular) they also loose FOV. My 15mm rectilinear lens has an FOV of 100deg and the 16mm fisheye has a 180deg FOV, much more FOV but at the cost of severe circular distortion. I don't think you can have the 180 deg FOV without the circular distortion. More circular the image, the wider it's FOV is most likely going to be. It's all a trade off. (-:}
A good question would be what's the widest rectilinear lens on the market? Not sure what that would be.
I think if you take two companies lenses, one having less circular distortion than the other, they will also loose FOV. Maybe a 12mm rectilinear lens comes closer to a 16mm fisheye in the FOV dept and better controlled distortion.
Shot with the 15mm rectilinear lens (no lens correction). You can see there is a lot of distortion (fences show it well) but it is not at all circular and easy to fix if you want to. I could have used the fisheye and gotten more FOV but I just don't like that look for much of anything. I'll sacrifice the FOV for the linear distortion.
Edited by Arlon, 07 August 2015 - 02:58 PM.
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Posted 17 August 2015 - 04:19 PM
I like the Nikon 16mm f/2.8 fisheye. It's a tiny lens and tends to go with me often. I've used it for both fisheye images and de-fished. As you would expect, the corners are a little soft but not problematic. It's also relatively fast, so it works for stars and night photography.
The new Nikon 20mm f/1.8 is a good non-fish alternative - quite wide and sharp. Of course, there is a big difference between the field of view of a fisheye vs. conventional wide lenses.
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Posted 17 August 2015 - 06:36 PM
Posted 15 January 2017 - 04:53 AM
I've heard good things about the Sigma but the Rokinon is very tempting. Newer design and coatings with a great price. I've read that the Nikon one doesn't hold up well on newer dslrs.
I am not sure what happens with say a D800 series, D4, D5 at all. But this is what I got with a Nikon 10.5 mm Fish on a D3 series body.
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_DSC0639X.jpg 237.36KB 0 downloads
I did however find this posted in a review for Nikon Fisheye Lenses (10.5mm and 16mm):
" When using a cropped sensor lens (DX) on a full frame body like the D700 or D3 your image will be cropped down to about 6MP (2784×1848) instead of the full 12MP (4256×2832) supported by your full frame camera. So if you really want the full resolution of your camera then you should go with a full-frame lens."
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