Sorry, I didn't see your earlier post, my idea is really your idea.
Cory Papenfuss wrote:
>On Tue, 17 Oct 2006, Kostas Kavoussanakis wrote:
>
>
>
>>On Tue, 17 Oct 2006, Cory Papenfuss wrote:
>>
>>
>>
>>> I still think that's more confusing than what I'm thinking.
>>>
>>>
>>All I am saying is that what you are thinking is "confusing"
>>(user-unfriendliness is what I have experienced) and will not solve
>>the problem.
>>
>>
>>
>>> How exactly do you get 6 EV?
>>>
>>>
>>The camera meters at open no matter what you set the ring to. I set
>>the ISO 3 stops darker than the desired exposure, so it overexposes by
>>3 stops. This means that open+3 is the actual correct exposure, thus I
>>have 3 stops either side.
>>
>>Of course it's so user-unfriendly that I may have got the above wrong
>>even in the description, so I quickly bought a -5n. I very frequently
>>stopped down without fixing the compensation, and occasionally
>>compensated the wrong way.
>>
>>The linkage is the only way to do it fully and properly.
>>
>>
>>
> Ah... missed the fact that you were talking about film bodies.
>I'm talking about the DSLRs. Setting the ISO is automatically corrected
>for by the body, so you can only do it if the lens is within 3 stops of
>wide open.
>
> As far as what I'm suggesting being confusing, it certainly is to
>the uninformed. Of course, the GB hack is also confusing... especially
>since it ONLY works in 'M' mode. I have proposed two possible
>work-arounds that could be added as *additional* methods of using manual
>lenses:
>
>- Keep meter alive after GB trick, but the camera records the aperture
>"offset" from wide open. Only after changing the aperture ring would
>another hit of the GB be necessary.... could be mapped to the 'P' mode as
>somewhat intuitive.
>- Manually entering the max aperture and shooting aperture. Could be done
>in a somewhat "user-friendly" way, and would be intuitive as an 'Av' mode.
>
> Both of these are slightly different, and would definately take
>some understanding on the part of the user. They are easily implementable
>in addition to the GB hack, since that only works on 'M' anyway. They
>also reduce some of the fundamental problems with the stop-down metering
>of the GB hack:
>
>- Open aperture metering. Stopped down in my proposed "P+" mode could be
>done more accurately using *all* metering points in the camera, not just
>CW... since the camera isn't metering to expose, just metering to
>determine the difference between wide-open and stopped down. In my
>proposed "Av+" mode, everything is set by the user, so all information
>available for an 'A' lens is also known for the K/M (so long as the user
>keeps the two synced).
>- Continuous-metering. The only time adjustments have to be made or GB
>needs to be pushed is when the aperture ring is moved.
>- Split-prism focus aids aren't as debilitating of a metering problem.
>The center meters could be ignored when operating in my "P+" mode.
>
> All of this sounds more confusing than it actually is.
>
>-Cory
>
>
>
>
--
Things should be made as simple as possible -- but no simpler.
--Albert Einstein
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