Canon Tilt Shift Lens?

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Ralphieboy

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Did Canon make an FDN or non SSC tilt shift lens? All I've seen in my search has been either 35mm E mount or 35mm SSC mount. I'm just not fond of the stopped down view with the old SSC mount.
 
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Ralphieboy

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reddesert

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Perspective control lenses for mechanical mounts typically use a manual, preset aperture, not an automatic aperture, because the front part of the lens where the aperture is, is free to move with respect to the mount and a mechanical linkage would be extraordinarily complex. PC lenses for mounts with electronically controlled apertures may get around this limitation. PC lenses take some time to operate, so manual aperture setting is just another step in the process.

I also think you might be talking about the difference between FL and FD mounts. There are FD breechlock lenses.
 

MattKing

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Guess I should have said breach lock type lens.

I would ask - why does it matter?
The FD mount didn't change between the breech lock era and the era that followed. All that really changed was how the lens, once mounted, was locked into that mount.
 
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Ralphieboy

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I would ask - why does it matter?
The FD mount didn't change between the breech lock era and the era that followed. All that really changed was how the lens, once mounted, was locked into that mount.

The only Canon breech lock I've used did not meter in aperture priority and was always in stop down mode on the F-1 which made focusing accuracy debatable. I never liked working in stopped down mode, but sometimes that just how it goes.
 
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Ralphieboy

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Perspective control lenses for mechanical mounts typically use a manual, preset aperture, not an automatic aperture, because the front part of the lens where the aperture is, is free to move with respect to the mount and a mechanical linkage would be extraordinarily complex. PC lenses for mounts with electronically controlled apertures may get around this limitation. PC lenses take some time to operate, so manual aperture setting is just another step in the process.

I also think you might be talking about the difference between FL and FD mounts. There are FD breechlock lenses.

And there is the answer! Thank you sir! Age seems to be catching up to me.
 

Craig

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The New FD shift lens was manual aperture control, not automatic like the other FD lenses.
 

MattKing

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The only Canon breech lock I've used did not meter in aperture priority and was always in stop down mode on the F-1 which made focusing accuracy debatable. I never liked working in stopped down mode, but sometimes that just how it goes.

Sounds like it was either a defective FD mount lens or an FL mount lens.
The chrome ring breech lock FD mount lenses provide open aperture metering on an F-1. With the right finder, they also permit auto exposure on the F-1. They were first made available with the F-1, which was followed by the TLb and the FTb and the TX and the EF, with the latter offering auto exposure.
The chrome ring breech lock FD lenses also provide open aperture metering and auto exposure with the AE-1, AE-1p and A1. The AE-1 offers shutter priority auto-exposure, the AE-1p adds a program mode and the A-1 further adds aperture priority automation - all with the chrome ring breech lock FD lenses.
When the AE-1 was introduced, Canon introduced a new version of the breech lock FD mount - the "new FD mount" - which behaved more like a bayonet mount lens, but technically remained a breech lock mount. The chrome ring disappeared and the process to mount a lens changed, but the mount itself was essentially unchanged - still offering open aperture metering, and the capability of providing shutter speed priority, aperture priority and program auto exposure.
Back in the day, I sold a whole bunch of FD mount cameras and lenses to a whole bunch of customers :smile:. I've used a few of them as well.
All of the above applies to the typical FD mount lens. However, as another poster has mentioned, a tilt-shift FD lens probably can't offer open aperture metering, because with the tilt-shift mechanism involved, there would be no way of maintaining the required mechanical connection between the aperture setting mechanism in the lens and the open aperture metering lever on the camera and mount.
 

Mackinaw

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However, as another poster has mentioned, a tilt-shift FD lens probably can't offer open aperture metering, because with the tilt-shift mechanism involved, there would be no way of maintaining the required mechanical connection between the aperture setting mechanism in the lens and the open aperture metering lever on the camera and mount.

This is correct. I have a breechlock TS 35mm lens and it's 100% manual. You turn the aperture ring, the lens stops down. There are no levers on the back of the lens, just the breechlock lens mount.

Jim B.
 
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