Archived posting to the Leica Users Group, 2010/09/20

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Subject: [Leica] Fuji's rangefinder sort of looking digital
From: benedenia at gmail.com (Marty Deveney)
Date: Mon, 20 Sep 2010 18:38:13 +0930
References: <AANLkTi=cc-2ZEAA0Y3EN4byAThSdb3qmxLTKcGi8xp_q@mail.gmail.com> <C8BC95E4.3B19%mark@rabinergroup.com>

At f4 with a 35 or 50 mm lens you get enough but not too much depth of
field.  I like that area.  If the autofocus is fast enough and the
viewfinder isn't too squinty this camera will be a must for me.

Marty


On Mon, Sep 20, 2010 at 6:09 PM, Mark Rabiner <mark at rabinergroup.com> 
wrote:
> I can compromise at f4 fore sure Marty!
> I grew up looking at countless pop photo and modern photo lens tests. And
> sure many of them peaked way before f8. The curve curves but it does curve.
>
> And from what I know now every lens is made faster than the lens designers
> would prefer them to be. They are as fast as they are because the marketing
> people insist on it. As they are competing with the competition down the
> street; Oberkochen.
>
> --------------------
> Mark William Rabiner
> Photography
> mark at rabinergroup.com
>
>
>> From: Marty Deveney <benedenia at gmail.com>
>> Reply-To: Leica Users Group <lug at leica-users.org>
>> Date: Mon, 20 Sep 2010 15:05:06 +0930
>> To: Leica Users Group <lug at leica-users.org>
>> Subject: Re: [Leica] Fuji's rangefinder sort of looking digital
>>
>> The .pdfs for the camera with the lens MTFs show clearly that the lens
>> improves when stopped down from f2 to f4, but showing f4 as the second
>> aperture stop on the MTF charts suggests strongly that it is at its
>> best there and that further stopping down either does not improve its
>> performance or makes it worse.
>>
>> Marty
>>
>>
>> On Mon, Sep 20, 2010 at 2:40 PM, Mark Rabiner <mark at rabinergroup.com> 
>> wrote:
>>> When ever I read or hear that stopping down a lens makes NO IMPROVEMENT I
>>> take it with a bit of a grain of thought as from all I know this is 
>>> basic to
>>> optics that some improvement is going to show itself when you this to any
>>> lens. I think such statements is a wishful thinking extention off the
>>> concept that if you pay enough money for a lens the wide open performance
>>> will be nothing to be embarrassed about. Quite usable. And even stellar. 
>>> I
>>> think stopping down ANY lens one or two can do nothing but but get rid 
>>> of a
>>> few aberrations and contusions. Let alone actually get the thing you're
>>> shooting in focus. I'm a f 5.6 and be there kind of guy for the most 
>>> part.
>>> Sure I shot wide open when I need the extra narrow DOF for effect or 
>>> when I
>>> need the shutter speed. Like when its dusk or indoors.
>>>
>>> --------------------
>>> Mark William Rabiner
>>> Photography
>>> mark at rabinergroup.com
>>>
>>>
>>>> From: Peter Cheyne <geordiepete211 at yahoo.co.uk>
>>>> Reply-To: Leica Users Group <lug at leica-users.org>
>>>> Date: Mon, 20 Sep 2010 11:01:00 +0900
>>>> To: Leica Users Group <lug at leica-users.org>
>>>> Subject: [Leica] ?Fuji's rangefinder sort of looking digital
>>>>
>>>> That 'rewind lever' on the front cold be to set the built-in ND
>>>> filter. ?I suppose it slides in and out behind the lens.
>>>>
>>>> Looks like an elegant little camera. ?I hope the auto-focus is faster
>>>> than the elegant little Fujifilm Klasse (f2.6, 38mm) I have.
>>>>
>>>> I think something got lost in translation here:
>>>> ? "In addition, the lens features not only the large F2 aperture
>>>> value, but also an optical architecture that maintains a high degree
>>>> of resolution even when closed by 1 to 2 stops." ?Italics on 'even
>>>> when closed by 1 to 2 stops.' ?I think they meant 'that gets even
>>>> better', not 'even'.
>>>>
>>>> Peter Cheyne
>>>>
>>>> _______________________________________________
>>>> 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.
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>
>
>
> _______________________________________________
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>


Replies: Reply from mark at rabinergroup.com (Mark Rabiner) ([Leica] Fuji's rangefinder sort of looking digital)
In reply to: Message from benedenia at gmail.com (Marty Deveney) ([Leica] Fuji's rangefinder sort of looking digital)
Message from mark at rabinergroup.com (Mark Rabiner) ([Leica] Fuji's rangefinder sort of looking digital)