Stiff-Focusing Canon Zoom Lens FD
Hi, all.
Just got a Canon Zoom Lens FD 70-210mm 1:4 lens, one of the newer style "twist-on" breech lock mounts. It was advertised as not focussing properly, which I assumed meant one of the lens elements was out of place or something like that. However, it's not that bad: the focussing ring is just very stiff to twist. It's relatively smooth and slides back and forth on the barrel with only negligible binding. Focussing is good and sharp. Anyone have any experience working on these or similar lenses? What type of lube would I use when I disassemble it? I have a repair manual on the way but I'm trying to get some advance feel for what to expect. Thanks for the info! |
Stiff-Focusing Canon Zoom Lens FD
"Don Noble" wrote in message ... Hi, all. Just got a Canon Zoom Lens FD 70-210mm 1:4 lens, one of the newer style "twist-on" breech lock mounts. It was advertised as not focussing properly, which I assumed meant one of the lens elements was out of place or something like that. However, it's not that bad: the focussing ring is just very stiff to twist. It's relatively smooth and slides back and forth on the barrel with only negligible binding. Focussing is good and sharp. Anyone have any experience working on these or similar lenses? What type of lube would I use when I disassemble it? I have a repair manual on the way but I'm trying to get some advance feel for what to expect. Thanks for the info! Das Machine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitzensparken. Ist nicht fur gewerken by das dummkopfen. Das rubbernecken sightseeren musten keepen das cotten-pickenen hands in das pockets - relaxen und watchen das blinkenlights. |
"Don Noble" wrote in message ... Hi, all. Just got a Canon Zoom Lens FD 70-210mm 1:4 lens, one of the newer style "twist-on" breech lock mounts. It was advertised as not focussing properly, which I assumed meant one of the lens elements was out of place or something like that. However, it's not that bad: the focussing ring is just very stiff to twist. It's relatively smooth and slides back and forth on the barrel with only negligible binding. Focussing is good and sharp. Anyone have any experience working on these or similar lenses? What type of lube would I use when I disassemble it? I have a repair manual on the way but I'm trying to get some advance feel for what to expect. Thanks for the info! Das Machine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitzensparken. Ist nicht fur gewerken by das dummkopfen. Das rubbernecken sightseeren musten keepen das cotten-pickenen hands in das pockets - relaxen und watchen das blinkenlights. |
"Don Noble" wrote in message ... Hi, all. Just got a Canon Zoom Lens FD 70-210mm 1:4 lens, one of the newer style "twist-on" breech lock mounts. It was advertised as not focussing properly, which I assumed meant one of the lens elements was out of place or something like that. However, it's not that bad: the focussing ring is just very stiff to twist. It's relatively smooth and slides back and forth on the barrel with only negligible binding. Focussing is good and sharp. Anyone have any experience working on these or similar lenses? What type of lube would I use when I disassemble it? I have a repair manual on the way but I'm trying to get some advance feel for what to expect. Thanks for the info! Das Machine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitzensparken. Ist nicht fur gewerken by das dummkopfen. Das rubbernecken sightseeren musten keepen das cotten-pickenen hands in das pockets - relaxen und watchen das blinkenlights. |
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