Zeiss Biogon 25/2.8 VS Nikon MF 28ais/2.8

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Guys,

I'm wondering that how different between Zeiss Biogon 25/2.8 VS Nikon MF 28ais/2.8, Could you enlighten me before I'm wasting my bucks on Zeiss for nothing. Thanks
 
Guys,

I'm wondering that how different between Zeiss Biogon 25/2.8 VS Nikon
MF 28ais/2.8, Could you enlighten me before I'm wasting my bucks on
Zeiss for nothing. Thanks
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The Zeiss is far sharper, has better contrast and color too, actually according to my own tests I don't think that Nikon has anything to compete with lens at or around 25mm, including the new super zooms. Then there's the rendering which is very different between the two, my preference is for the Zeiss. Also the Zeiss is very close, almost macro focusing which the Nikon isn't. Most of the above applies if you compare the Zeiss 28/2 to Nikon 28/2.8.
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david
http://www.pbase.com/ddk
 
I've got both, but have never bothered with the tedium of side by side tests. I can tell you that due to construction differences, the Nikon is not made as well, and is likely though not certain, to develop wobble in the helicoid, whereas the ZF probably never will. The Nikon SHOULD be 'sharper' across the frame at close up due to floating elements which the ZF does not have.
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-KB-
 
The Zeiss is far sharper, has better contrast and color too, actually
according to my own tests I don't think that Nikon has anything to
compete with lens at or around 25mm, including the new super zooms.
Then there's the rendering which is very different between the two,
my preference is for the Zeiss. Also the Zeiss is very close, almost
macro focusing which the Nikon isn't.
You have both so I will take your word for it as far as sharpness goes, but I find it a bit hard to believe that it is "far sharper". The MTF rating at the photodo site is one of the highest, and Bjorn's opinion on sharpness, especially up close is that it is very high. Also, the AIS version has close range correction (CRC) as another poster mentions, which makes for better image quality up close. It also focusses down to 0.2 meters, which is about 8 inches from the film plane, or about 4.5 inches from the front of the extended lens. As far as build, as mentioned by other poster, I can believe the Zeiss is better, but I can say that I've owned mine for 20 years and it does not wobble.
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David
 
I got the 28mm f/2 a couple of months ago, which is also rated really good. I did consider the ZF and other options, but ended up with this one because it renders really good up close wide open. I also chose this one because it is faster than the other options. Still I need a wider prime after going FF so the ZF 21mm is my next buy ;)
--
http://www.rumleskafte.com
 
You have both so I will take your word for it as far as sharpness
goes, but I find it a bit hard to believe that it is "far sharper".
The MTF rating at the photodo site is one of the highest, and Bjorn's
opinion on sharpness, especially up close is that it is very high.
Hi,

Personally I don't put much stock in MTF charts, one never knows how or who made the measurements and they don't tell you how a lens behaves at different apertures and lighting conditions. I agree that the Nikon is pretty good but its still nothing like the Zeiss lenses, specially at larger apertures and adverse lighting conditions were the differences are pretty big to my eyes. Yes, under bright sunshine or studio flash at f5.6 and smaller the differences in sharpness are less but they're still there.
Also, the AIS version has close range correction (CRC) as another
poster mentions, which makes for better image quality up close. It
also focusses down to 0.2 meters, which is about 8 inches from the
film plane, or about 4.5 inches from the front of the extended lens.
25/2.8 ZF focuses down to about 0.15 meters and at 25mm it has more DOF vs 28mm.
As far as build, as mentioned by other poster, I can believe the
Zeiss is better, but I can say that I've owned mine for 20 years and
it does not wobble.
Nikon used to make great products, my old AIS lenses never failed.

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david
http://www.pbase.com/ddk
 
I just made some shoots on my bike with D80 MF28/2.8 ais, here is the
result
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http://69riders.hi5.com/friend/photos/displayPhotoUser.do?photoId=3024935285&albumId=277608309&ownerId=291174346

I just sat down with my friends and believe it or not, we found
serious CA areas, especially where the chromes are,

seem like CA will get along well with the chrome in the picture, any
tips for shooting chrome?
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Which AIS version is it? The 0.3 or 0.2 meter close focus?

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David
 
It's 0.2 close to focus
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I looked at your photo (the detail shot) and I could see CA around the chrome tail light. That is a high contrast area which is where CA will show up - it is generally present in most wide angles and many other lenses. Try others in same situation side by side to compare. Bjorn Rorslett (link above) rates it as having very low CA. He has tested almost all Nikkors and some Nikon mount other brands and is probably the best for subjective evaluations. CA is removable in software and in the latest Nikon cameras.

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David
 

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