This is a copy of a post from a few weeks ago - I re-send it because it is
relevent to what Todd was saying to Tania about using K mount lenses on an
MZ50. Note this is by Erwin Vereecken not myself. I think it's quite
clever though.
Peter
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Erwin Vereecken
> Sent: 16 February 2001 13:31
> To: [EMAIL PROTECTED]
> Subject: Re: time @ f-stop formula
>
>
> Just thinking of something,
>
> If you put your M50 f1.7 on your MZ-50, for more then just one occasional
> shot, you could do the following:
>
> Manually select an ISO speed of 2 and 2/3 stops lower then reality (ISO16
> for and ISO100film, ISO 32 for a 200film, etc..)
>
> With the camera on manual, the light meter will now show you
> which diaphragm
> to select. The middle of the meter range will be f4.0, one higher
> f5.6, one
> lower f2.8 etc, all the way from f1.4(which you don't have) to f11,
> including the half stops.
>
> Should work fairly quick, withouth calculations.
>
> There is a theoretical 1/6 stop overexposure, but that should'nt have a
> visible influence on the result. If you think your camera has a
> tendency to
> overexpose anyway, lower ISO speed by 2 and 1/3 stop, that will give a
> theoretical underexposure of 1/6 stop.
>
> It's not real easy, because if you would have several manual lenses, you
> would have to change ISO everytime you change lens, f.i. for a f2.8, lens
> ISO would have to be lowered 1 stop to keep f4 in the midle, and if you
> mount an automatic lens in between, you shouldn't forget to put
> ISO back to
> nominal.
>
>
> Just an idea,
>
> Erwin
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Todd Stanley
> Sent: 24 March 2001 18:29
> To: [EMAIL PROTECTED]
> Subject: Re: Subject: Re: Swan Song Photo!
>
>
>
> Yep, you have the idea there. I remember someone had a way of setting the
> ISO to a certain setting (depends on film and lens) and the little dots on
> the light meter scale would indicate the aperture, but I forgot
> the details
> as I don't have a MZ-50. Anyway, good luck with combo!
>
> Todd
>
> At 07:31 PM 3/24/01 +1000, you wrote:
> >
> >"Todd, thankyou so much for this! I had no idea that I could
> use it in TV
> >mode providing that it is wide open. I almost always shoot in manual and
> >hadn't even considered trying the other modes. I am so happy that I can
> >now use this lens! I was quite disappointed to find that the
> meter wouldn't
> >work with the lens and not having a handheld meter, I had rendered it
> >virtually useless on this camera! So basically, what you are
> saying is that
> >if I want to use it say on f5.6, then I just slow down the shutter speed
> >that
> >the camera advises by 21/2 stops? Makes sense now! I am renewed, I
> >can use my lens, and in actual fact, it may prove beneficial to my
> >learning to have to work this way for some time, as I will really have to
> >think about the relationship between the f-stops and the shutter
> speed. So,
> >there we go, there is a silver lining after all!"
> >
>
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>
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