28/2 AI vs AIS

Discussion in '35mm Cameras and Accessories' started by jmal, Dec 15, 2007.

  1. Richard S. (rich815)

    Richard S. (rich815) Member

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    Yup, got it. Did not understand the way you first put it but now do. Thanks.
     
  2. vlasta

    vlasta Member
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    But awful corners up to 5.6-8.
     
  3. Ihmemies

    Ihmemies Member

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    All the "chrome" rings in Nikkors are bare aluminium... also materials are cheap as **** starting from first F lenses in 1959 till Nikon switched from metal to plastic in 80's. You can only dream of seeing brass helicoids in Nikkors...

    At least in pre-Ais lenses Nikon also used crappy low quality helical greases unlike some quality brands like Pentax or Tamron, whose lenses are still silky smooth while all old Nikkors are terrible if unserviced.

    The only difference beteen pre-ais and Ais lenses is unnceccessarilyy complicated ("fiddly") construction in earlier lenses. Servicing them is a tedious task compared to simpler Ais lenses.

    The amount of bayonet screws does not matter with lighter lenses, Nikon kept using 5 screws in heavier telephoto lenses where it mattered.

    I would look for other lens makers if I wanted high mechanical quality. Nikkors are tolerable (I own 11 manual focus Nikkors) because of the low prices and good selection of different lenses.
     
  4. chip j

    chip j Member
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    bump
     
  5. RalphLambrecht

    RalphLambrecht Subscriber
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    24mmf/2.8 AI,AIs orAF all good!
     
  6. chip j

    chip j Member
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    I want to know more about the "crappy" grease Nikon is supposed to have used, anyone??
     
  7. jimjm

    jimjm Subscriber
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    The focus feel seems to be a bit lighter for some lenses, but I've never come across a manual-focus Nikkor with stiff or rough focus. They were made to hold up to professional use, and even some of the Series E lenses are not too bad. I've owned over 50 MF Nikkor lenses and seen some zoom creep, but that's about it. I have a 1960 50/2 Rigid Summicron that gummed-up and needed a total overhaul even though it's in excellent cosmetic condition, and it's a lot more expensive than any Nikkor I've owned. With AI/AIS and later, Nikon began introducing some plastic into the lenses, but so did every other lens maker around that time.

    However, the nicest lenses I've ever used are the M42 Pentax Super-Takumar and SMC Takumar lenses. Those lenses are like buttah!
     
  8. RalphLambrecht

    RalphLambrecht Subscriber
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    they sold it to Canon
     
  9. dynachrome

    dynachrome Member
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    I have a number of 28/3.5 Nikkors including a 2.8cm model and two AI lenses. The AI lenses are very sharp and show less corner darkening than the earlier 3.5s. I think I also have a pre-AIS 28/2.8 somewhere too. The last of my 28 Nikkors is a 28/2 'K'. That's also very sharp. The f/2.8 AIS is a lens I don't have and may not get. The CRC is a nice feature but if I need to get close I'll use a 55/3.5 or 552.8 Micro Nikkor and the results will be better than anything I might get with a close focusing 28. The 28/1.8 UC Hexanon I have for my Konicas is sharp at every distance, has close focusing and is fast but periodically the oil likes to migrate to the aperture blades. When this isn't happening it's my favorite 28.
     
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