When I bought my 5D one of the main considerations was its adaptability
to my OM Zuikos. But have I ever really used them? Seldom is the
answer. When I first bought the camera I started off with a new Tokina
28-80/2.8 and shortly thereafter added a used Tokina 80-200/2.8. Other
than the Zuiko 80-250 I had nothing on the long end exceeding 200mm and
it didn't seem useful to use the slower Zuiko for the sake of 50mm. On
the short end the only Zuiko I had less than 28mm was the 24/2.8. That
did get used for a while as a landscape lens at f/11. Hyperfocal
methods obviated the need for focusing through the 5D's view finder.
That's difficult for me and the focusing scale works just fine for
hyperfocal stuff. Since then I've added a Tamron 24-135/3.5-5.6 which
has become the outdoor walk-around lens so the 28-80/2.8 usually stays
home. Then I added a Tamron 20-40/2.8-3.5 which meant that even the
Zuiko 24/2.8 now stays home. The Tamrons are old, film era Canon AF
mount. But they autofocus much better than my tired old eyes do
manually and I only paid about $200 for the pair of them. The only OM
mount lenses still used on the 5D are the Zuiko 50/3.5 macro and the
Vivitar Series 1 90/2.5 macro. And I shoot precious little macro.
Oops, I almost forgot the T-mount Orion 500/5.6 mirror lens/spotting
scope. I didn't like it on film since it has low contrast due to the
large secondary mirror. But I thought digital post-processing would
solve the contrast problem. So I bought a Canon EOS T2 mount to try it
out. So far it has never even been mounted on the camera. :-)
So much for lens adaptability.
Chuck Norcutt
On 1/11/2012 5:29 AM, Ralf Loi wrote:
> <<
> KT likes to use Pen F lenses on m43. These 'look' quite good (no thick
> adapter required) on these bodies. The results are OK.
>
> I think it makes sense not to think about 'crop factor', but just think
> about the function of the lens YOU use. When I use my Pen F 42mm 1.2 on a
> m43 I have a fast portrait lens. Who cares about the former life of this
> lens as standard lens?
>
> Your Zuiko's give you nice standard to tele equivalents on your m43 or
> other mirrorless body, even on the cheap, as few have a 250mm 2.8 Zuiko,
> but a 135mm 2.8....
>
> History was yesterday ;-)
>>>
>
> If you are a tele-guy it is OK, but if you use wide angles a lot, then
> all those crop factor cameras are useless: my 21/3.5 become suddenly
> a mere 31mm on a 1.5x camera and a normal 42mm on a 4/3 body :-(
>
> Ralf
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