Archived posting to the Leica Users Group, 2011/04/12

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Subject: [Leica] DOF of 80/1.4 at 1.4 slimmer than 50mm at 1.4?
From: benedenia at gmail.com (Marty Deveney)
Date: Wed, 13 Apr 2011 07:32:29 +0930
References: <747098.9554.qm@web82101.mail.mud.yahoo.com> <BD38DC430E434F79B63832050B44DA53@jimnichols> <BANLkTinCi_aYvnyQwfM+g=DF=yB+4gFX4Q@mail.gmail.com> <BLU0-SMTP63FFBE73F8419F8D7EEA128CA80@phx.gbl> <476BA3A4-0AC3-4E8C-8B55-B586467EEF9B@btinternet.com> <91AB7555-0351-45BB-A8F2-1D7FF81A9F0E@gmail.com>

Yes, Lluis - the Nocti is definitely easier to focus than the Summilux 75.

Marty

On Wed, Apr 13, 2011 at 6:53 AM, Lluis Ripoll
<lluisripollquerol at gmail.com> wrote:
> Really Frank?
>
> A Summilux 75 is more difficult to focus than a Nocti (both wide open) ?
>
> I've never tried a Nocti, I love the fine focusing of pictures I've saw 
> from
> Steve, Rei and others, as well the creamy effect, and I usually discarded 
> it
> from my thaughts thinking that it would be very difficult to focus, I use
> the Lux 75, it is not easy properly focus at 1.4 but not impossible.
>
> Saludos
> Lluis
>
>
> El 11/04/2011, a las 14:35, Frank Dernie escribi?:
>
>>
>> On 11 Apr, 2011, at 12:41, Vick Ko wrote:
>>
>>> Hello
>>>
>>> I've been playing with my DMR with the 80mm f1.4.
>>>
>>> I'm finding it a lot more difficult to use and capture proper focus at
>>> f1.4 than I expected.
>>>
>>> Is the dof of an 80mm at f1.4 thinner than the dof of a 50mm at f1.4?
>>
>> Yes, noticeably.
>>
>>>
>>> And is this typical of what people found, using their rf 75mm Summiluxes
>>> - very difficult to capture proper focus?
>>
>> More difficult than a Noctilux, but not impossible.
>>
>>>
>>> I suppose it didn't help, trying to photograph a 7 month old boy, who
>>> doesn't quite understand sitting still yet ? :-)
>>
>> Fast lenses wide open with children is a 1 in 50 strategy...
>>
>>>
>>> Vick
>>>
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>
>> Frank
>>
>>
>> _______________________________________________
>> 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
>


Replies: Reply from lluisripollquerol at gmail.com (Lluis Ripoll) ([Leica] DOF of 80/1.4 at 1.4 slimmer than 50mm at 1.4?)
In reply to: Message from rgacpa at yahoo.com (Bob Adler) ([Leica] IMG: Foothill Park)
Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] IMG: Foothill Park)
Message from richard at imagecraft.com (Richard Man) ([Leica] IMG: Foothill Park)
Message from vick.ko at sympatico.ca (Vick Ko) ([Leica] DOF of 80/1.4 at 1.4 slimmer than 50mm at 1.4?)
Message from Frank.Dernie at btinternet.com (Frank Dernie) ([Leica] DOF of 80/1.4 at 1.4 slimmer than 50mm at 1.4?)
Message from lluisripollquerol at gmail.com (Lluis Ripoll) ([Leica] DOF of 80/1.4 at 1.4 slimmer than 50mm at 1.4?)