NikonGear'23
Gear Talk => Lens Talk => Topic started by: Jedi on April 13, 2019, 11:38:37
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Good morning, I'd like to buy a Nikon 105/2.5 AI-s; I bought it a long time ago, but then sold it back. It was an AI-s version. My trusted retailer has got an AI version, today. Has AI version got the same rendering of the AI-s? About coating, instead? Thank you!!!
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Hi, I would go for the Ai instead of Ai-s because of the longer focus throw and much smoother aperture shape.
Thanks to its simple optical design, the advantage of the latest Super Integrated Coating should not be that influential to the choice.
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However in the case you plan to chip it and control aperture from the body, you would want an AIS version over the AI version, as only the former has linear control of the aperture through the stop down actuator.
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However in the case you plan to chip it and control aperture from the body, you would want an AIS version over the AI version, as only the former has linear control of the aperture through the stop down actuator.
Not control aperture from the body isn't a problem, I use Zeiss ZF lenses without problems!
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Then you might want to follow Akira's advice.
(On the other hand, if the one at hand had been an AIS version in good condition, I would not have hesitated on that as the difference is not that big, both really nice, my own experience with the AIS version, but you know that one of course).
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Here are a few threads I've archived about the 105's. Notably, these seem to circle to twinning these legendary Nikkors with the Df :-)
http://nikongear.net/revival/index.php/topic,2666.0.html
http://nikongear.net/revival/index.php/topic,2141.msg25329.html#msg25329
See bokeh comparisons - https://www.dpreview.com/forums/post/58296998
Last but not least, there are these two 1001 essays
https://imaging.nikon.com/history/story/0005/index.htm
https://imaging.nikon.com/history/story/0059/index.htm
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Here are a few threads I've archived about the 105's. Notably, these seem to circle to twinning these legendary Nikkors with the Df :-)
http://nikongear.net/revival/index.php/topic,2666.0.html
http://nikongear.net/revival/index.php/topic,2141.msg25329.html#msg25329
See bokeh comparisons - https://www.dpreview.com/forums/post/58296998
Last but not least, there are these two 1001 essays
https://imaging.nikon.com/history/story/0005/index.htm
https://imaging.nikon.com/history/story/0059/index.htm
Thank you for your answers!! I'm surprised about the similarity posted between 105/2.5 and 105/1.4E in a link of them!!
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I can only repeat: any AI or AIS 105 will do nicely. If you have to select one of them, my preference is for the AI.
The newer 105/1.4E is a darling lens but participates in a heavy-champion class all by itself. Handling might be awkward if you have small hands.
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get the Sonnar version :o :o :o
sorry, just my preference...i am a Sonnar lover ::)
the Ai is better-built but no hood
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get the Sonnar version :o :o :o
sorry, just my preference...i am a Sonnar lover ::)
the Ai is better-built but no hood
Can I mount the Nikkor-P 105/2.5 on my D810, or it has got the first type of baynet which is not compatible, like the -o series?
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Can I mount the Nikkor-P 105/2.5 on my D810, or it has got the first type of baynet which is not compatible, like the -o series?
look for the ones with the Ai-ring :o :o :o
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look for the ones with the Ai-ring :o :o :o
Sure!!! I asked only for confirmation, excessive prudence, before buying.........I'm not so ignorant....., very ignorant, but not so!
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I have both. Slight bokeh advantage to the AI version, slight advantage to the AIS version as a walk-around lens thanks to the sliding shade. For the AI, I was lucky enough to find an original clip-on shade (also usable with 135 and 105 macro), but the combo is still less convenient to handle. Splendid IQ anyway.
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I post some example images to say a bit towards my opinion on Nikons 105mm lenses
(https://live.staticflickr.com/7753/27573245825_98b2fe3a50_b.jpg) (https://flic.kr/p/J1y6m6)DSC_0669-Edit (https://flic.kr/p/J1y6m6) by b j (https://www.flickr.com/photos/132836932@N03/), on Flickr
(https://live.staticflickr.com/654/20788811022_8324a03c5f_b.jpg) (https://flic.kr/p/xF36ff)DSC_9572 (https://flic.kr/p/xF36ff) by b j (https://www.flickr.com/photos/132836932@N03/), on Flickr
(https://live.staticflickr.com/604/23181240516_fd866da033_b.jpg) (https://flic.kr/p/BjrVbC)DSC_1598-Bearbeitet-2 (https://flic.kr/p/BjrVbC) by b j (https://www.flickr.com/photos/132836932@N03/), on Flickr
All 3 of the above were taken using the oldest optical design. The 5 element in 3 groups Nikkor-P
The picture below was taken using the newer 5 element in 4 groups design
(https://live.staticflickr.com/5769/23216165310_22147db0e3_b.jpg) (https://flic.kr/p/BnwV7f)DSC_2052-Edit-2 (https://flic.kr/p/BnwV7f) by b j (https://www.flickr.com/photos/132836932@N03/), on Flickr
Differences between the Gauss and Sonnar design 105mm f2,5 Nikkors exist. They can be exposed when making comparison shots. I once did that, because I owned lenses in both designs.
In total I owned 4 different 105mm f2,5 Nikkor lenses. The Sonnar 105mm f2,5 Nikor-P (with 6 blade diaphragm. The very first design used 9 blade diaphragms), the Gauss 105mm f2,5 Nikkor-P.C with multicoated front element, the 105mm f2,5 Ai and the 105mm f2,5 Ai-S
The difference between the Gauss design lenses really is minimal. Sample variation wil most likely cause more difference then the modernisation of coatings on these.
With all but the Ai-S I used reversible snap on hood (HS-7) from the Noct Nikkor and 105 f2,8 micro Nikkor. It is a bit wider then the HS-4, which I find pleasant because it's less likely to bump into the lens when reverse mounting the hood. The HS-7 is also easier to find.
As to the rendering, the Gauss lenses are a it sharper towards the edges, but in the end I sold all but the Sonnar lens, because I prefer the transition from in-focus to out-of-focus elements. Again, the differences are very very minimal, but with OoF subjects at the distances I tend to place them in my photos, the older lens seems to transition a little smoother.
My version of the lens came with Nikons Ai conversion kit so it works perfectly on most Nikon cameras. The older lens is also slightly smaller and lighter then later versions, except maybe the Ai-S.
In the end, if you are looking to buy a 105mm f2,5, you can buy any version really, and verify you find a good copy. The pre-Ai-S lenses have a longer focus throw, which helps finding your focus. The Ai-S therefor is nice with it's short focus throw when taking snapshots, because you hardly ever have to regrip the focus ring when focusing from MFD to infinity.
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Good morning, I'd like to buy a Nikon 105/2.5 AI-s; I bought it a long time ago, but then sold it back. It was an AI-s version. My trusted retailer has got an AI version, today. Has AI version got the same rendering of the AI-s? About coating, instead? Thank you!!!
In case it is not clear from previous responses, the AI and AI-S have the same optical design, so they will render identically.
However the AI has curved aperture blades so the opening is rounder (but not fully rounded), giving background blurs a more organic appearance. The AI-S has straight edge aperture blades so blurs are distinctly polygonal (7-sided).
Both are fully multicoated, using Nikon Integrated Coating (NIC) which is a very good coating. Late production AI-S 105/2.5 lenses with serial no greater than 1043xxx have the newer yellow-green Super Integrated Coating (SIC), but I don't think it makes much difference in practice. If flare or contrast is a problem, shading the front element will make a bigger difference.
My preference is for the AI version due to the rounder aperture and also the longer focus throw. The built-in hood of the AI-S can be of use at times but it is on the short side and tends to be a little wobbly.
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In case it is not clear from previous responses, the AI and AI-S have the same optical design, so they will render identically.
However the AI has curved aperture blades so the opening is rounder (but not fully rounded), giving background blurs a more organic appearance. The AI-S has straight edge aperture blades so blurs are distinctly polygonal (7-sided).
Both are fully multicoated, using Nikon Integrated Coating (NIC) which is a very good coating. Late production AI-S 105/2.5 lenses with serial no greater than 1043xxx have the newer yellow-green Super Integrated Coating (SIC), but I don't think it makes much difference in practice. If flare or contrast is a problem, shading the front element will make a bigger difference.
My preference is for the AI version due to the rounder aperture and also the longer focus throw. The built-in hood of the AI-S can be of use at times but it is on the short side and tends to be a little wobbly.
Yes, I had understood this.
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Thank you all!!
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https://richardhaw.com/2017/05/05/repair-auto-nikkor-p-c-105mm-f2-5/
just updated one of my most popular articles :o :o :o
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get the Sonnar version :o :o :o
sorry, just my preference...i am a Sonnar lover ::)
the Ai is better-built but no hood
I have a hood on mine. HS-4, which specifically states it is for the 105 2.5, 135 3.5 & 105 4.
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For my 105/2.5 lenses, I us HN-8, which is a screw-in not snap-on type. The latter always is prone to falling off at the most inconvenient of times.
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i am sure that i have one of those hoods here somewhere...my house is too messy :o :o :o
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I have a Nikkor-P 105mm f/2.5 (pre Ai, but retrofitted and chipped). It's a Gauss type one i.e minimal focus distance = 1m, and 7 rounded diaphragm blades. Works perfectly with the D850. Careful: aperture should be dialled in on the lens (non linearity of the aperture dial), otherwise you start to be over-exposed on smaller openings. ;)
(https://live.staticflickr.com/65535/47690658852_4249616027_h.jpg)
I bought it new in 1973....