I have found the 1.4x convertor to be the best optical aide I own. A nice
boost in focal length that costs a stop and no more. I can not see any
image degradation. Highly recommended - its worth every penny.
For motor sport, unless you can get very priviliged positions, you will
always want for more focal length. Get all the lens you can. Lens speed is
vital. You can get good photos under bright conditions with f/5-ish lenses,
but your options go away fast when the cloud cover arrives. High speed
glass also allows you a far wider choice of films. I would sooner make a
compromise in lens maker than lens speed, evidenced by the fact I use a
300mm f/2.8 Tokina AT-X, which I like very much.
John P
______________________________________
My Grandfather taught me to live by two rules. Rule #1: Don't tell folks
everything you know.
Richard Dale <Richard_Dale@xxxxxxxxxxxxx> pondered:
>For a fast zuiko telephoto what would members of the list recommend:
>180 F2,
>250 f2
>or 350 f2.8
>with or without 1.4 converter. Does that degrade performance noticeably, eg
>180 + 1.4 compared with 250.
>I could only afford one, once my finances have settled down from the last
>batch of purchases.
>I would like to use it for motor racing/nature photography etc.
>I'm not sure if the 2nd hand prices are similar, dependent on condition
>etc.
>Is it worth splashing out or are the 180 f2.8 or 300 f4.5 nearly as good in
>practice.
>Thanks
>Richard
>
>
>
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