danilo_cerovic Posted October 13, 2016 Share Posted October 13, 2016 <p>So I just upgraded my 50/1.8 to a 1.4 in somewhat worse cosmetic condition but I was very happy about it. Brought it home to my A1 and it turns out that the focusing screen shows far-away objects are in focus when the ring is turned to a few milimeters less than infinity (an "at infinity" frame shows out of focus). <br> Now I don't suspect the camera really because the last roll of film was super sharp at all distances and definitely didn't show the same symptoms with the old lens. <br> Will this affect focus at distances other than infinity? Is there anything that can be done about it? Should I take it back!<br> Thanks so much for your help</p> Link to comment Share on other sites More sharing options...
danilo_cerovic Posted October 13, 2016 Author Share Posted October 13, 2016 <p>Just a small correction: I upgraded my FD 1.8 to an FD<strong>n </strong>1.4...</p> Link to comment Share on other sites More sharing options...
SCL Posted October 13, 2016 Share Posted October 13, 2016 <p>It's used on a single lens reflex where you focus thru the lens itself, so it shouldn't have an effect on the picture itself. In many cases I've encountered over the years, the distance ring can be adjusted by slipping off the rubberized focusing ring and there are usually 1-3 screws which zero the distance ring with a marker. In other cases, the marker itself is adjustable. Personally not worth worrying about, but if it really bothers you, and you can't fix it yourself, don't want to pay somebody else to fix it, then by all means return it. </p> Link to comment Share on other sites More sharing options...
User_1172872 Posted October 13, 2016 Share Posted October 13, 2016 <p>What you're describing may be the result of an amateur "repair." I would shoot a roll of film and have it processed immediately. If the pictures look good I wouldn't worry about it.</p> Link to comment Share on other sites More sharing options...
User_4754088 Posted October 14, 2016 Share Posted October 14, 2016 <p>Agree with everything stated above. With an SLR, if the camera is adjusted properly, whatever you see in the viewfinder will be what the film sees. So even if the lens "Overstrokes", what you see in the viewfinder is what you're gonna get on the film.</p> Link to comment Share on other sites More sharing options...
glen_h Posted October 15, 2016 Share Posted October 15, 2016 <p>As well as I know, it used to be usual on telephoto lenses to focus a little past infinity. Among others, the lens expands a little at warmer temperatures, and you want to still reach infinity.</p> <p>But that isn't usual on shorter lenses. It is nice to quickly focus to infinity by turning to until it stops. Otherwise, all of the above.</p> -- glen Link to comment Share on other sites More sharing options...
danilo_cerovic Posted October 16, 2016 Author Share Posted October 16, 2016 <p>Many thanks to all of you, very useful answers indeed. I got it for half of what it sells on ebay for, so I am inclined to keep it (to be decided after I shoot a roll of film of course). It just looks so cool wide open :D<br> The focusing ring isn't rubberized and doesn't seem to come off, so no idea how to adjust it. <br> There is another issue which I was aware of when buying it and don't consider it too serious - the aperture ring won't lock at the "A" position. It just stays there as at any other aperture position, but the little button doesn't pop out to lock in place. Is this potentially a DIY fix? I have tested and the camera definitely controls the aperture correctly, and the ring is pretty tight (too tight even - third issue) so there is no chance that it will slip away from "A" on its own.<br> So any links on adjusting the focus ring position and servicing the aperture ring would be highly appreciated.<br /><br />Thanks again</p> Link to comment Share on other sites More sharing options...
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