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Re: [OM] Olympus E-P1 + Zuiko 40 F2

Subject: Re: [OM] Olympus E-P1 + Zuiko 40 F2
From: Chris Crawford <chris@xxxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 23 Dec 2009 23:05:25 -0500
Leica still makes a 75mm f1.4 Summilux and a 75mm f2.5 Summarit and there's
a Cosina Voigtlander 75mm f2.5 in screwmount.


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Chris Crawford
Fine Art Photography
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260-424-0897

http://www.chriscrawfordphoto.com  My portfolio

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On 12/23/09 10:54 PM, "Jim Nichols" <jhnichols@xxxxxxxxxxxxx> wrote:

> Chuck,
> 
> Back in the 1930s, Leica built a 73mm, f/1.9 Hektor for the screw-mount
> Leica rangefinders.  There were also a few 75mm lenses for RF cameras.  I
> never saw one at exactly 70mm, but I can get the same effect with a 35mm
> mounted on my E-1. ;-)
> 
> Jim Nichols
> Tullahoma, TN USA
> ----- Original Message -----
> From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
> To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
> Sent: Wednesday, December 23, 2009 8:40 PM
> Subject: Re: [OM] Olympus E-P1 + Zuiko 40 F2
> 
> 
>> I think I've asked here before, why is 70mm such an orphan focal length?
>>   If one builds a set of lenses around a factor of 2X differences in
>> focal length on can readily find 24, 50, 100, 200, and 400.  If one does
>> the same using 1.4X one can readily find 17/18(17.5), 24(25), 35, 50,
>> 70, 100, 135(140), 200... oops!  Umm, where is that 70mm lens that
>> belongs in the sequence?
>> 
>> Chuck Norcutt
>> 
>> 
>> Ken Norton wrote:
>>>> An interesting question. Gary Reese tested the 40/2 and found it low
>>>> contrast and soft in the corners at f2. It sharpened up quite a bit at
>>>> f2.8  Of course the 35-100/2 would run circles around it at 4omm and
>>>> f2--but at bit of a high price.
>>>> 
>>> 
>>> And don't forget the size difference between the 40/2 and the 35-100/2.
>>> Not
>>> exactly a fair fight.
>>> 
>>> The 40/2, which is blasted near perfect with film somehow doesn't seem to
>>> hold up quite as well with digital. It's still mighty fine (especially
>>> the
>>> bokeh), but hasn't been the ultra-lens that we'd hoped it would have been
>>> on
>>> digital.
>>> 
>>> I've been a fan of the the 50/1.8 and 50/1.4 on the E-thingies. When
>>> stopped
>>> down to F2.8, those two lenses seem to come into their own pretty well.
>>> The
>>> bokeh isn't as nice as the 40/2, but they have a nice edginess to the
>>> images.
>>> 
>>> But if I had to pick my favorite film Zuiko in this range for placement
>>> on
>>> an E-thingy, I vote for the lowly 35/2.8. This lens performs quite well
>>> wide-open for an equivalent of 70/2.8. Not shabby. Best thing about it is
>>> the bokeh. The bokeh of this lens really is special--perhaps one of the
>>> most
>>> underrated lenses in the entire line-up. Unfortunately, 70mm equivalent
>>> focal length is one of those unusable focal lengths as it is too long and
>>> too short at the very same time.
>>> 
>>> OK, must spout off on one lens, though.  The 35-80 F2.8 is absolutely
>>> glorious on the E-thingies. But not small or lightweight. (or cheep).
>>> 
>>> AG
>> -- 
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>> 
> 


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