Archived posting to the Leica Users Group, 1998/03/26

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Subject: Re: [Leica] which 90mm lens for the M?
From: D Khong <dkhong@pacific.net.sg>
Date: Thu, 26 Mar 1998 17:52:39 +0000

I really cannot answer this question.  Based on my experience,  the 2.8 is
a more contrasty lens.  Contrast itself can enhance the perception of
sharpness.  There are pros and cons between the 2.0 and the 2.8 lens.
Given the choice, I like  the pics that I get from the 2.0 and I would not
hesitate to use it wide open, like my Noctilux.  When travelling, I would
take my 2.8 and be careful not to have too much back light which will cause
the Tele Elmarit to flare.

Dan K.

At 08:13 AM 25/3/98 -0800, you wrote:
>Quality wise, though, would you still say the 2.0 presents better quality
>enlargements than the 2.8?  I have been told that the 2.8 is sharper
>and contrastier at 2.8 than the 2.0 at 2.8....do you agree?
>
>
>At 06:31 PM 3/25/98 +0000, D Khong wrote:
>>At 09:12 AM 24/3/98 -0800, you wrote:
>>>I have an M6 0.85 with a 35/2 ASPH and a 50/2.
>>>I am ready to buy a 90mm for the M6.  Which
>>>version will give me the highest quality images 
>>>from f/2.8 to f/8?  I do not have to have the f/2 if it
>>>is not the best since I already have 2 f/2 lenses.
>>>F/2.8 would be fine.  Some have told me that the
>>>2.0 is soft wide open and the 2.8 is sharp and
>>>contrasty wide open.  Any more comparisons
>>>on these lenses?
>>>
>>>
>>>Francesco Sanfilippo,
>>
>>I have used both the 2.8 and the 2.0.  I still think the f2 version is
>>better, if you are not too concerned about the weight.  Firstly, I take
>>mainly people pics and portraits and so the f2 gives me the effects that I
>>want.
>>
>>Secondly, I have used two versions of f2.8 (the small second version and
>>the current version), and I find the both the lenses somewhat more flary
>>than the summicron.
>>
>>The only reason I carry my 2.8 around is when I have weight constrains and
>>would rather carry a smaller lens.  Otherwise I would prefer to take pics
>>with my summicron.
>>
>>Dan K.
>> 
>
>
>Francesco Sanfilippo,
>Five Senses Productions
>webmaster@5senses.com
>
>
>http://www.5senses.com/
>