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  1. #11

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    Quote Originally Posted by copake_ham View Post

    Oh, and the "mat" in the Nikkormat nomenclature indicates they all have built-in metering systems.
    Except for the FS!
    Heavily sedated for your protection.

  2. #12
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    Quote Originally Posted by John Koehrer View Post
    Except for the FS!
    Aha! That's the one I couldn't remember. But wasn't it a NikkOmat rather than a NikkORmat?

    I remember there was one weird, cheapo and unreliable pseudo-model made by a company in HK under a short-lived license from Nikon. A marketing mistake that Nikon quickly and quietly "forgot" about...

  3. #13

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    Quote Originally Posted by copake_ham View Post
    Aha! That's the one I couldn't remember. But wasn't it a NikkOmat rather than a NikkORmat?
    Actually, Nikomat and Nikkormat are the same cameras. Nikomat is the name used in Japan. However, it sounded like Ikomat which was a trade name of Zeiss Ikon, so in some foreign markets, Nikomats were renamed Nikkormats to avoid problems with trademark infringement.

    Here's a reference:

    http://www.mir.com.my/rb/photography...rmat/index.htm

  4. #14

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    There are a some exceptions to the "one size fits all" Nikon mount. True enough, the mounts have not changed over the years and any SLR lens made today will fit on any Nikon SLR ever made. If the only problem is that there is no metering prong, stop down metering can be used. A bit of an inconvenience, but it works well.

    There are a couple of lenses, I think they're called "G" lenses, that have no aperture ring. F/stop settings are made by electro-mechanical means via the camera body. Obviously, these are pretty much useless if mounted onto an older camera body without the electrical contacts for the aperture.

  5. #15

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    Quote Originally Posted by fschifano View Post
    There are a some exceptions to the "one size fits all" Nikon mount. True enough, the mounts have not changed over the years and any SLR lens made today will fit on any Nikon SLR ever made. If the only problem is that there is no metering prong, stop down metering can be used. A bit of an inconvenience, but it works well.

    There are a couple of lenses, I think they're called "G" lenses, that have no aperture ring. F/stop settings are made by electro-mechanical means via the camera body. Obviously, these are pretty much useless if mounted onto an older camera body without the electrical contacts for the aperture.
    Also, it can be dangerous to mount a pre-Ai lens on an Ai body. Ai lenses have a notch cut out in the aperture ring that mates with a small tab on the edge of the mount. A pre-Ai lens doesn't have this notch - as a result, the aperture ring will collide with this tab and either damage the lens or the camera. The higher end Ai bodies - like the F3 allow you to move the tab out of the way so you can use a Pre-Ai lens in stop-down mode. However, the tab is fixed on the less expensive models - like the Nikkormats.
    Interestingly, the consumer AF bodies that won't meter with non-CPU lenses don't have this tab because they get all the information from the CPU. As a result, you can mount Pre-Ai lenses on these bodies.

  6. #16

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    This guy:
    http://www.aiconversions.com/
    Will put a prong on your AF lens so it can be used with a Pre-Ai Body

  7. #17

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    Quote Originally Posted by dslater View Post
    Also, it can be dangerous to mount a pre-Ai lens on an Ai body. Ai lenses have a notch cut out in the aperture ring that mates with a small tab on the edge of the mount. A pre-Ai lens doesn't have this notch - as a result, the aperture ring will collide with this tab and either damage the lens or the camera. The higher end Ai bodies - like the F3 allow you to move the tab out of the way so you can use a Pre-Ai lens in stop-down mode. However, the tab is fixed on the less expensive models - like the Nikkormats.
    Interestingly, the consumer AF bodies that won't meter with non-CPU lenses don't have this tab because they get all the information from the CPU. As a result, you can mount Pre-Ai lenses on these bodies.
    Actually, both of the AI Nikkormats have the flip-up tab, as do the FE and FM which replaced the AI Nikkormats. The first AI body without the tab was the budget EM, and the only post-1970's bodies to feature the flip-up AI tab were the F3 and F4, although you could get a factory mod for the F5 to add this capability. It's mostly irrelevant as getting a pre-AI lens AI modified is relatively cheap and easy (Used to be easier when factory AI rings were still available).

    Oddly, the current cheapo digi models (D40/D40X) are the first non-pro models introduced with the ability to mount unmodified pre-AI lenses since the FE/FM of 1978. They changed the minimum aperture detection switch used on bodies which lack the AI tab from a slide switch to a pushbutton switch, which won't be damaged by pre-AI lenses.

  8. #18

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    Quote Originally Posted by mawz View Post
    Oddly, the current cheapo digi models (D40/D40X) are the first non-pro models introduced with the ability to mount unmodified pre-AI lenses since the FE/FM of 1978. They changed the minimum aperture detection switch used on bodies which lack the AI tab from a slide switch to a pushbutton switch, which won't be damaged by pre-AI lenses.
    Actually, if you read this site:
    http://www.aiconversions.com/

    he claims that you still can't put an unmodified Pre-Ai lens on these bodies.

  9. #19
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    Copake ham has it nearly all right. The first "low end" Nikon mount camera sold by Nikon in the USA was the Nikkorex F. IIRC, it was made by Richo for Nikon. It was not highly regarded. The Nikkormat (Nikkomat outside the USA) came after the much despised Nikkorex. I believe Nikon also used the Nikkorex appellation for a fixed mount Nikon with the earliest 43-86 zoom lens permanently stuck on it. IIRC.

  10. #20
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    Quote Originally Posted by Anscojohn View Post
    Copake ham has it nearly all right. The first "low end" Nikon mount camera sold by Nikon in the USA was the Nikkorex F. IIRC, it was made by Richo for Nikon. It was not highly regarded. The Nikkormat (Nikkomat outside the USA) came after the much despised Nikkorex. I believe Nikon also used the Nikkorex appellation for a fixed mount Nikon with the earliest 43-86 zoom lens permanently stuck on it. IIRC.
    Thanks for clarifying.

    BTW: occassionally you see a Nikkorex pop up on eBay - probably a "must have" for the uber-collector.

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