Archived posting to the Leica Users Group, 2010/04/15

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Subject: [Leica] M Lenses on GF-1
From: r.s.taylor at comcast.net (Richard Taylor)
Date: Thu, 15 Apr 2010 19:15:34 -0400
References: <j2x6e74b3701004150617q6674f861n2e043329e2e08ce5@mail.gmail.com> <5564A951-14E1-4477-A297-C1AD95FD1AE6@comcast.net> <CDE7B56DB012459BAC2A5B8D992DCC66@jimnichols> <3DBE0CFF-F301-43BE-8E22-1A060F2A4244@comcast.net> <B3D336C5-AFAC-40A7-8F50-BF719BC57A1C@frozenlight.eu> <EE3E5A89-0F5A-48F1-95F0-9641A4057DFD@comcast.net> <C15414D7-E342-4F81-BD3B-8832EB5C91D9@gmail.com>

Yes, it's rare to hear such unstinting praise.   I'm really looking forward 
to getting it.  Let's hope it live up to its reputation.  :-)  

Regards, 

Dick



On Apr 15, 2010, at 4:11 PM, Jeffery Smith wrote:

> I have yet to see a disparaging comment about the Panasonic 7-14. It 
> apparently is able to keep things undistorted despite its wide angle. For 
> those who like ultrawide to wide, it seems like a fantastic lens.
> 
> Jeffery
> 
> 
> On Apr 15, 2010, at 12:12 PM, Richard Taylor wrote:
> 
>> I just ordered the Panasonic 7-14 and hope to have it tomorrow.  I had 
>> been putting off extending my micro-4/3rds system but finally decided I 
>> wanted something considerably wider than the 20 and it seemed to be the 
>> best choice.  
>> 
>> Regards, 
>> 
>> Dick
>> 
>> 
>> 
>> On Apr 15, 2010, at 12:48 PM, Nathan Wajsman wrote:
>> 
>>> The only M lens I use a lot on my GF-1 is the 90mm Elmarit, partly 
>>> because I am not too keen on it on my M8 (prefer the 75mm there). It 
>>> does fine, but in fairness I use it mostly for far-away subjects, i.e. 
>>> on infinity or thereabouts. Given the I have the 20mm pancake, I have 
>>> not felt the need to try the shorter M lenses in my stash.
>>> 
>>> Next month I will pick up either the 7-14mm Olympus or the new 9-18mm to 
>>> complete my GF-1 outfit on the wide end.
>>> 
>>> Nathan
>>> 
>>> Nathan Wajsman
>>> Alicante, Spain
>>> http://www.frozenlight.eu
>>> http://www.greatpix.eu
>>> http://www.nathanfoto.com
>>> 
>>> Books: http://www.blurb.com/bookstore/search?search=wajsman&x=0&y=0
>>> PICTURE OF THE WEEK: http://www.fotocycle.dk/paws
>>> Blog: http://www.fotocycle.dk/blog
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> On Apr 15, 2010, at 5:08 PM, Richard Taylor wrote:
>>> 
>>>> There should be.  SLR lenses need to be further away from the sensor 
>>>> than M lenses in order to clear the mirror, are usually retrofocal, and 
>>>> should have better image quality on 4/3rds sensors.  
>>>> 
>>>> I was tempted to buy an 20mm R lens to try on the G-1 but after the 
>>>> introduction of the 20mm Lumix pancake I put that off because the Lumix 
>>>> was such a good performer and far smaller than the R lens. 
>>>> 
>>>> I think there were some postings on R lenses on micro 4/3rds cameras 
>>>> but can't remember when.  I search of the archives might turn them up.  
>>>> 
>>>> Regards, 
>>>> 
>>>> Dick
>>>> 
>>>> 
>>>> 
>>>> On Apr 15, 2010, at 10:48 AM, Jim Nichols wrote:
>>>> 
>>>>> Hi Richard,
>>>>> 
>>>>> I use Leica-R lenses on my Olympus E-1.  Is there a lot of difference 
>>>>> between the Summicron-R and the Summicron-M design?
>>>>> 
>>>>> Jim Nichols
>>>>> Tullahoma, TN USA
>>>>> ----- Original Message ----- From: "Richard Taylor" <r.s.taylor at 
>>>>> comcast.net>
>>>>> To: "Leica Users Group" <lug at leica-users.org>
>>>>> Sent: Thursday, April 15, 2010 9:42 AM
>>>>> Subject: Re: [Leica] M Lenses on GF-1
>>>>> 
>>>>> 
>>>>>> The best way to think about this is to think of each pixel as a tiny 
>>>>>> bucket with steep sides and the light sensitive area at the bottom.  
>>>>>> Light must go straight in in order to be detected.  Light arriving at 
>>>>>> anything other than almost straight in is either lost or scattered.
>>>>>> 
>>>>>> That's why the sensors in the M8 and M9 have the offset lenses on top 
>>>>>> of the sensor.
>>>>>> They allow the sensor to respond better to the off-axis light coming 
>>>>>> out of M-type lenses.
>>>>>> 
>>>>>> SLR lenses are usually retrofocus designs that send the light close 
>>>>>> to straight in to the sensors and therefore work better on the micro 
>>>>>> 4-3rds cameras than M lenses do.
>>>>>> 
>>>>>> Dick
>>>>>> 
>>>>>> (Who works with sensors like these in the infrared for space 
>>>>>> missions.)
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> On Apr 15, 2010, at 9:17 AM, Simon Ogilvie wrote:
>>>>>> 
>>>>>>>> I'm also perplexed at how Contax G lenses can be materially better 
>>>>>>>> on
>>>>>>>> Micro Four Thirds than are Leica M lenses, or even CV lenses for 
>>>>>>>> that
>>>>>>>> matter. While I haven't used all on Micro Four Thirds I have used 
>>>>>>>> them
>>>>>>>> all on film and for the most part they're all pretty good. Thus I'm
>>>>>>>> curious as to why the performance would be so different on Micro 
>>>>>>>> Four
>>>>>>>> Thirds. What kind of adapters are you using?
>>>>>>> 
>>>>>>> I agree - one of the primary reasons I bought into the 4/3 system was
>>>>>>> because it allowed me to use my Leica M (and Voigtlander) lenses 
>>>>>>> which
>>>>>>> don't see much use any more as I shoot very little film these days.
>>>>>>> The results using these lenses were very disappointing.  The 
>>>>>>> Panasonic
>>>>>>> 14-45 covers the range of nearly all of my M lenses anyway, so as the
>>>>>>> results seem better and it's much more convenient to use, I stick 
>>>>>>> with
>>>>>>> the zoom.    I was surprised that the results from the Contax G 
>>>>>>> lenses
>>>>>>> looked so much nicer.  Why this is the case when the Leica lenses are
>>>>>>> so nice with film I cannot explain.  The adapters are the Voigtlander
>>>>>>> one for the Leica-M lenses, and an adapter imported from Hong Kong 
>>>>>>> for
>>>>>>> the Contax G with a little manual focus wheel that engages with the
>>>>>>> focussing drive on the lenses.
>>>>>>> 
>>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> _______________________________________________
>>>>>> Leica Users Group.
>>>>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> _______________________________________________
>>>>> Leica Users Group.
>>>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>>> 
>>>> 
>>>> _______________________________________________
>>>> Leica Users Group.
>>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>>> 
>>> 
>>> 
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
> 
> 
> _______________________________________________
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> See http://leica-users.org/mailman/listinfo/lug for more information



In reply to: Message from simon.ogilvie at gmail.com (Simon Ogilvie) ([Leica] M Lenses on GF-1)
Message from r.s.taylor at comcast.net (Richard Taylor) ([Leica] M Lenses on GF-1)
Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] M Lenses on GF-1)
Message from r.s.taylor at comcast.net (Richard Taylor) ([Leica] M Lenses on GF-1)
Message from photo at frozenlight.eu (Nathan Wajsman) ([Leica] M Lenses on GF-1)
Message from r.s.taylor at comcast.net (Richard Taylor) ([Leica] M Lenses on GF-1)
Message from jsmith342 at gmail.com (Jeffery Smith) ([Leica] M Lenses on GF-1)