Nikon Nikkor 105mm 2.8 vs Nikon AF Nikkor 105mm 2.8D

Discussion in 'Photography Equipment & Products' started by jands, Apr 19, 2011.

  1. jands

    jands TPF Noob!

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    I guess I liked the idea that I could do both. But maybe I'm thinking about wrong. Your suggestion is definitely cheaper.


     
  2. jands

    jands TPF Noob!

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    Derrel, should I be too concerned with AI vs AI-S? Research is telling me that there really is not a difference (especially on my camera), but that the AI feels more durable. Any insight?
     
  3. j-dogg

    j-dogg TPF Noob!

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    I have a Canon EF system with L lenses and an adapter to use my old Nikkor pre-AI glass. I just got a 105 f2.5 pre-AI from like the 60's, I'll post up some results here

    What separates pre-AI, from AI and AI-S is a couple small things, and they all have to do with mounting.

    Pre-AI lens have no ring on the mount to tell the camera it's max aperture, it uses a bayonet (most Nikon lenses up into the 80's have this bayonet)

    AI has the bayonet AND a ring on the bottom of the lens to be used with AI cameras like Nikon FG and Nikon F3, anything after 1977. AI stands for Automatic Indexing.

    AI-S does away with the bayonet mount for the pre-AI bodies like the Nikon F and the Nikkormat (The Nikkormat FT3 is an AI body) I think there are a couple other small differences but those are the big ones, I'm a pre-AI Nikon guy and a Canon EF guy, so Derrel or any of the other Nikon buds here will correct me if I'm wrong.

    There is a website that tells you which digital bodies take which old manual lenses and I can't remember it but it's been posted here before.
     
    Last edited: Apr 19, 2011
  4. Derrel

    Derrel Mr. Rain Cloud

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    The Ai series lenses have a somewhat different "feel" to them than the Ai-S series. The Ai lenses have stiffer focusing ring travel, typically slower (more degrees of turn) focusing travel, and in the 105/2.5's case, the AI model has no built-in lens shade. The exterior mechanics (barrel and focusing rings) of the Ai series is subtly different.

    The 105/2.5 Ai-S has a shorter focusing throw, different cosmetics externally, a built-in sliding lens hood, an a feather-touch focusing movement; the Ai's focusing action is much stiffer. The AiS lenses all have a second, smaller f/stop scale, useful for cameras that have ADR (aperture direct readout) in their viewfinders.

    One difference is the way the lens diaphragms actuate: the Ai-S models have a linear diaphragm action, the Ai ones do not. As far as feeling more durable--the stiffer focusing mechanisms that the Ai series had does make them feel, well, in a way, more "durable" to some people.

    BOTH Ai and Ai-S lenses came with the meter coupling prong AKA "Buckhorns".
     
  5. j-dogg

    j-dogg TPF Noob!

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    How come my Series E 50mm AI-s doesn't have the meter coupling prong? Was that a Series E only thing?

    **** you could learn something new everyday on here
     
  6. djacobox372

    djacobox372 No longer a newbie, moving up!

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    The ais/manual focus version is actually superior IMO. Provided you have a d200/300/700/7000/3 which fully support it.

    It's just as good optically, built better, and has a superior feel when manually focusing--which is more important then when doing macro work.
     
  7. jands

    jands TPF Noob!

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    I appreciate everyone's suggestions and info. I scored an Ai on Adorama for less than 150 bucks. Quality was "Very Good", so we'll see if it was a good deal or not. I know that's a little bit different direction then the thread started out to be, but I sure did learn a lot.

    I'm anxious to get out and have some fun with it. I might like it... or I might turn around and say "screw this manual focus nonsense!". I guess I better start practicing on my other lenses until it gets here!

    Hmmm... a challenge. No AF until the 105 gets here. Interesting...
     
  8. manaheim

    manaheim Jedi Bunnywabbit Staff Member Supporting Member

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    Er, ok but what does that have to do with my post? :)
     
  9. Derrel

    Derrel Mr. Rain Cloud

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    YES, that's right--eliminating the meter coupling prong was done on each Series E model. And all the Series E designs have the Speed notch machined into the rear of the mount, which is the "S" in Ai-S. The "NIKKOR" line of Ai and Ai-S lenses had the meter-coupling prong on them,so that they would connect to the light meters in older Nikkormat and Nikon bodies.
     
  10. djacobox372

    djacobox372 No longer a newbie, moving up!

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    That price seems too low for adorama, are you sure it's the f2.8 micro ai and not a f2.5 ai. The later is a good lens but not a macro lens.

    They have a f4 micro 105mm for about what u paid, it doesn't make sense that the 2.8 version would be the same price
     
  11. EJA64

    EJA64 TPF Noob!

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    From all that I have read / heard, the old AF-D version of the 105mm f/2.8 is a bit sharper than the older AI-S version, and as sharp as the newer AF-S version. The D version is also said to have less Distortion, and Chromatic Aberration, than either the AI-S, or AF-S, versions. Even if not entirely true, it would seem that the differences are so slight as to not make one worth hundreds of dollars more than the others. When I shoot either macros, or portraits, I use a tripod, so VR is not needed. As such, the newer AF-S version is not worth the extra money to me. With the AF-D lens, you can shoot in Auto Focus, or Manual Focus, as you choose. I don't have this AF-D lens, yet, but am convinced by all I have learned in research that it is worth having. So, I am buying it next month, and will then put it through it's paces. I can let you know more later on.
     

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