Olympus started producing one touch zooms as a response to competition who
already had them on the market. Maitani prefered two touch and as I understand
it from (1980s) Olympus Service and Marketing meetings, was simply bowing to
pressure
John
Ken Norton wrote:
> >At 12:08 AM 10/9/98 -0400, Mark wrote:
> >Hmm.... Good point. I am actually interested in using this lense to
> >photograph aircraft demonstrations. Especially at airshows... The 85-250
> >might not be suitable for this. I have a Vivitar Ser 1 70-210, which I
> >guess is a 'one-touch' both focus and zoom with the same ring. At the
> >Mirimar airshow, the aircraft (and runway) were close enough that I had to
> >focus, and frame at the same time. I can not see doing this having to
> >adjust two rings.
>
> Experience and practice. I personally prefer the 2-touch zooms over 1-touch
> zooms. Havin done a few airshows with zooms of both types, I'd say that a
> 1-touch is easier to use but more difficult use precisely. The only time I
> would prefer a 1-touch is photographing a sporting event where the person is
> coming towards me and I'm doing a long exposure where I desire to follow
> focus and zoom out at the same time.
>
> I think it comes down to a mindset. Do you view your zoom lens as a
> variable focal length prime or as a creative zooming tool. I usually look
> at it as a variable focal length prime so therefore a 2-touch is far better
> for me.
>
> Ken N.
>
>
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