The 5D Mk II (and most other Canon cameres) use the E series of dioptric
adjustment lenses. These only go to +2 which (I assume) is to be added
to the built-in max adjustment of +1. So that only gets to +3. But
looking on Adorama and B&H all of these things seem to be on backorder
anyhow. Except for the 0 power <http://www.adorama.com/CAD0E.html>
Since your optician would have to make you whatever you need anyhow
(since you can't get 4.5) maybe you can order one of these and replace
what I assume is a piece of flat glass. I've no idea why they would
sell these otherwise or even if there's a piece of glass in there.
Chuck Norcutt
SwissPace wrote:
> I have just been discussing this with a work colleague and while
> chatting I think I may have worked out why I get the inconsistencies,
> its good to talk.
>
> My new glasses are the frameless type with polished edges, I am sure
> under certain conditions there will be a lot of light leakage into the
> pentaprism via these lenses. I wonder if canon do diopter adjustment
> addons - I need a 4.5.
>
> BTW I am in no way criticising the tokina or your recommendation, just
> the fact that my problems were due to slow shutter speeds and I am
> looking for a way to set program mode (or something else) to not shoot
> at longer times than 1/125 to avoid camera shake with exposure
> compensation being done by auto iso. I guess I am asking too much
> though and will need to use manual mode.
>> I don't have any inconsistency problems with exposure with the 5D but,
>> like all DSLRs these days the metering cells are in the pentaprism area
>>
>
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|