Chuck,
I used one stop larger than the scale said with these exposures, and that
seemed sufficient for web work. I agree, two might be better.
Jim Nichols
Tullahoma, TN USA
----- Original Message -----
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
Sent: Monday, October 24, 2011 8:55 PM
Subject: Re: [OM] IMG: Leica 28mm Elmarit-R at the Airport
> Keep in mind that, if the 28mm Elmarit-R was designed for 35mm film, the
> DoF scales relate to 35mm and not 4/3 format. When shooting at f/8 the
> appropriate hyperfocal scale on 35mm format lens when used on 4/3 format
> is f/4. DoF is related to final image magnification and a 4/3 image
> needs to be magnified twice as much as a 35mm image to get the same
> output size. Therefore, the DoF parameters are twice as stringent. If
> you set it at f/8 then use the Dof Scale for f/4 or two stops larger
> aperture than the aperture you're actually using.
>
> Of course, if all you're doing is making web images instead of 8x10
> prints then the DoF requirements are considerably relaxed.
>
> Chuck Norcutt
>
>
> On 10/24/2011 3:27 PM, Jim Nichols wrote:
>> Hi Chuck,
>>
>> Thanks for the kind words. Yes, the lens has well-defined DoF scales, so
>> outdoor work is fine, just more frustrating than with longer lenses. The
>> subject you mention was busy today, so I didn't try any close-ups.
>>
>> Jim Nichols
>> Tullahoma, TN USA
>> ----- Original Message -----
>> From: "Chuck Norcutt"<chucknorcutt@xxxxxxxxxxxxxxxx>
>> To: "Olympus Camera Discussion"<olympus@xxxxxxxxxxxxxxxxx>
>> Sent: Monday, October 24, 2011 3:56 PM
>> Subject: Re: [OM] IMG: Leica 28mm Elmarit-R at the Airport
>>
>>
>>> Nice shots. I especially liked the DC-3 appropriately rendered in B&W.
>>> Depending on the assumption one makes for CoC the 28mm on the E-1 has
>>> a hyperfocal distance of from 13-20 feet at f/8. It should be rare to
>>> have to worry about critical focus for that combo unless taking close
>>> portraits of certain female attendants. :-)
>>>
>>> Chuck Norcutt
>>>
>>>
>>> On 10/24/2011 12:01 PM, Jim Nichols wrote:
>>>> I took the E-1 and Leica 28mm Elmarit-R to the airport today. This is
>>>> a
>>>> nice, sharp lens, but difficult to focus on the E-1 and E-510.
>>>> However,
>>>> zone focusing serves pretty well on a nice day.
>>>>
>>>> Vanderbilt Medical Center in Nashville has a permanent operation here,
>>>> to
>>>> serve the southern part of Middle Tennessee. This was one of two units
>>>> ready to respond:
>>>> http://gallery.leica-users.org/v/OldNick/Life+Flight+41.jpg.html
>>>>
>>>> I couldn't pass up a shot of the DC-3, shining nicely in the sunshine:
>>>> http://gallery.leica-users.org/v/OldNick/DC-3+50+BW.jpg.html
>>>>
>>>> The owner of this Lake amphibian was out getting in some takeoffs and
>>>> landings:
>>>> http://gallery.leica-users.org/v/OldNick/Lake+57.jpg.html
>>>>
>>>> Comments and critiques welcomed.
>>>>
>>>> Jim Nichols
>>>> Tullahoma, TN USA
>>> --
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>>>
>>
>>
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