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Let's see those Manual Focus lenses
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<blockquote data-quote="F &amp; F2 Man" data-source="post: 658301" data-attributes="member: 9463"><p>Okay, there seems to be some confusion about the camera mount and the lens mount configuration.</p><p></p><p>Cameras that have a permanently placed AI pin on the lens mount cannot Mount any non AI lenses, because when you mount the lens, the lens will tear off the AI pin on the camera lens mount. That's why on the early hybrid F Mount cameras, the Nikon FM the Nikon Fe the Nikon F3 and I believe the Nikon F4 which is not really a hybrid camera mount at that point, has a fold-up type AI pin on the camera's lens mount via a small push button that allows the AI pin on the camera to be out of the way so the lens has clearance to mount when you turn it in locking position.</p><p></p><p>Because it's very difficult now to find a eye conversion kits for the old lenses, the person would have to literally cutaway a small portion of the lens mount so that there is a ridge that is left on the lens in the correct position of the AI pin on the camera.</p><p></p><p>So, a non AI lens does not have the ridge that extends off the mount for about 1/6 or so, of the lenses diameter.</p><p></p><p>So in review, the camera's lens mount must have a fold-up AI pin in order to mount a non AI lens or the camera's lens mount type in will be damaged, or the older lens mount on the lens will have to be modified by cutting most of it away for about an eighth of an in-depth except for where the AI pin would connect. Which I don't want to do these are classic lenses and I will not mutilate the mount. If I could find AI conversion kits for these lenses that would be great, but the chance of that is near zero at this point in time.</p><p></p><p>Sent from my SM-G955U using Tapatalk</p></blockquote><p></p>
[QUOTE="F & F2 Man, post: 658301, member: 9463"] Okay, there seems to be some confusion about the camera mount and the lens mount configuration. Cameras that have a permanently placed AI pin on the lens mount cannot Mount any non AI lenses, because when you mount the lens, the lens will tear off the AI pin on the camera lens mount. That's why on the early hybrid F Mount cameras, the Nikon FM the Nikon Fe the Nikon F3 and I believe the Nikon F4 which is not really a hybrid camera mount at that point, has a fold-up type AI pin on the camera's lens mount via a small push button that allows the AI pin on the camera to be out of the way so the lens has clearance to mount when you turn it in locking position. Because it's very difficult now to find a eye conversion kits for the old lenses, the person would have to literally cutaway a small portion of the lens mount so that there is a ridge that is left on the lens in the correct position of the AI pin on the camera. So, a non AI lens does not have the ridge that extends off the mount for about 1/6 or so, of the lenses diameter. So in review, the camera's lens mount must have a fold-up AI pin in order to mount a non AI lens or the camera's lens mount type in will be damaged, or the older lens mount on the lens will have to be modified by cutting most of it away for about an eighth of an in-depth except for where the AI pin would connect. Which I don't want to do these are classic lenses and I will not mutilate the mount. If I could find AI conversion kits for these lenses that would be great, but the chance of that is near zero at this point in time. Sent from my SM-G955U using Tapatalk [/QUOTE]
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