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Re: [OM] Standard lens focal lengths, was: Nathan's PAD 26/1/2012: boke

Subject: Re: [OM] Standard lens focal lengths, was: Nathan's PAD 26/1/2012: bokeh and high ISO
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Fri, 27 Jan 2012 13:58:46 -0500
But when you're using it are you typically using it as a macro lens or 
as a more general purpose picture taker?

Chuck Norcutt


On 1/27/2012 12:41 PM, Jim Nichols wrote:
> Hi Chuck,
>
> I often use the ZD 35 Macro on my E-1, and it seems just fine.  That is the
> first "70mm" I have owned since I sold my Leitz 73mm f/1.9 Hektor from the
> 1930s.
>
> Jim Nichols
> Tullahoma, TN USA
> ----- Original Message -----
> From: "Chuck Norcutt"<chucknorcutt@xxxxxxxxxxxxxxxx>
> To: "Olympus Camera Discussion"<olympus@xxxxxxxxxxxxxxxxx>
> Sent: Friday, January 27, 2012 5:12 AM
> Subject: [OM] Standard lens focal lengths, was: Nathan's PAD 26/1/2012:
> bokeh and high ISO
>
>
>> I've always considered the omission of prime lenses of about 70mm focal
>> length a bit of an oddity in 35mm photography.  If we consider 50mm the
>> de-facto standard and we wanted to build a set of primes that doubled or
>> halved the image area at each step we'd choose a set with:
>> 17,5mm, 25mm, 35mm, 50mm, 70mm, 100mm, 140mm, 200mm, 280mm, 400mm.
>>
>> Typical prime lens availability options from the manufacturers usually
>> come pretty close to this set except for the 70mm option.  Instead of
>> 70mm we jump to the portrait or macro range of 85-90mm.  How come?  Why
>> the hole in angular coverage of primes?  There's another oddity in that
>> the next most common lens down from 35mm is 28mm and not 24/25mm.  But I
>> think that's a manufacturing price break thing as well as a
>> consideration for limiting distortion.
>>
>> Of course, some would say that the standard lens should be 43mm and not
>> 50mm which would place the next focal length up the scale at 60mm but
>> that's a different story.
>>
>> Chuck Norcutt
>>
>>
>> On 1/27/2012 12:48 AM, Chris Barker wrote:
>>> That works well, Nathan.
>>>
>>> But apart from the low light performance, what other use is there for
>>> a lens with the efl of around 65mm?  I would love to have an excuse
>>> to save up for one :-)
>>>
>>> Chris
>>>
>>> On 26 Jan 2012, at 22:09, Nathan Wajsman wrote:
>>>
>>>> We had our monthly wine tasting at the office this evening, which
>>>> provided a good opportunity to show off my 1.9/43mm Pentax lens
>>>> wide open:
>>>>
>>>> http://www.greatpix.eu/All/Picture-A-Day/4253606_kdsZ6C#!i=1687409995&k=FMxHGG5&lb=1&s=O
>>>>
>>>>
>> http://www.greatpix.eu/All/Picture-A-Day/4253606_kdsZ6C#!i=1687410074&k=W8W7cR7&lb=1&s=O
>>>>
>>>> I find its bokeh quite pleasing, and the performance of the K5 at
>>>> ISO 6400 is much better than my other camera's ;-)
>>>
>> --
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>>
>
>
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