Very interesting document. Thanks for posting it. K.

The powerzooms were also capable of various zoom effects when paired with an appropriate body.

K.

Just found this info on the web:

1. Power Zoom

The zoom is motorized. The motor allows for three zooming speeds at a small twist of the zoom ring. The lens can also be zoomed manually by turning the zoom ring, a necessity with cameras that lack support for power zoom.

2. Lens Retraction

The zoom lens retracts to its shortest physical size when powered off.

3. Zoom Clip Mode

You can preset a focal length and you can then recall that focal length by pressing the zoom setting button on the lens.

4. Image Size Tracking Mode

You compose using the viewfinder so that an object (e.g. a child) fills the frame, say (a full body shot for example). When the object moves towards you or away from you the camera will zoom the lens so that the object maintains its image size.

5. Zoom Effect Mode

The lens will automatically zoom from wide angle to tele during exposure thus creating a special effect where the subject diffuses radially outward.

Which Camera Bodies Support Power Zoom?

All five modes are supported by the PZ series of film bodies.

Can't blame me for trying! You didn't say it had to be a sensible offer...

Good luck with the sale. K.

The FA is possibly the most butt-ugly lens I have ever seen. If the optical quality is the same I'd go for the F.

£100?

Wasn't me! Which episode was it? K.

I've tried my 1.7 with my 50-135 once or twice and have generally been rather disappointed with the results. The 50-135 gives such lovely images that adding in the teleconverter rather spoils them. On the other hand, I have only tried this once or twice, and never using a tripod, or trying to adjust the focus-wotsit so I wouldn't say you cannot get good results, just that it isn't quite as easy as just bolting it on and away one goes.

K.

It can be done but it is fully manual and only capable of close focusing as the adapter acts like an extension tube. I very much doubt it is worth the effort.

K.

I had completely missed all of this until now. I skipped to the end and found Gwyn's helpful post, and have now reserved my copy. I wondered what the white windows icon was that appeared on my computer recently!

Thanks Gwyn, the whole thing would have passed me by.

Best wishes, Kris.