Archived posting to the Leica Users Group, 2015/12/02

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Subject: [Leica] Leica 24-90 SL lens question
From: rgacpa at gmail.com (Robert Adler)
Date: Wed, 2 Dec 2015 20:11:50 -0800
References: <BLU404-EAS277FA7E81E415A7B34728A0B80F0@phx.gbl> <CAAsXt4MFN-s7xjbCp9HGJdrrRfRJ8x2C2he9PQyiH6YaO2KONg@mail.gmail.com> <BLU173-DS99887BB1618EC7A81ADD2B80E0@phx.gbl>

Tina,
Does the EVF allow you to focus stopped down at night? In other words, does
the EVF brightness adjust for such conditions?
Thanks,
Bob the Ignorant

On Wed, Dec 2, 2015 at 9:06 AM, Aram Langhans <leica_r8 at hotmail.com> 
wrote:

> Thanks, Bob.  I use the live view in Nikon now.  It is a PITA.  Try to
> find a star, then focus with a loupe.   Then if I change focal length  I
> have to do it all over again.
>
> I have no problem with hard stop infinity on the R 35-70/4.  The stars are
> perfectly sharp wide open.  Much more so than with either of my Nikon zooms
> focused as stated above.  Wide open they are no match for the R lens.  And
> I can zoom with impunity.  But I most often need something wider than 35mm
> than on the longer side.
>
> Aram
>
> -----Original Message----- From: Robert Adler
> Sent: Tuesday, December 01, 2015 3:55 PM
> To: Leica Users Group
> Subject: Re: [Leica] Leica 24-90 SL lens question
>
> Hi Aram,
>
> For astro landscape photography, you will not want to depend on the lens'
> hard stop at infinity with such a terrific EVF: just use the EVF and manual
> focus to make the stars sharp.
> With the M's you don't have a choice but to depend on the hard stop. On
> other camera's with a good EVF or LCD (use a loupe) it's best to see your
> focus on the stars.
> Hope this helps chip away at spending all your $ on the SL.   I certainly
> am considering it except that for my WA lenses don't play well with it. So
> in addition to the SL I would need a 35/1,4 ASPH and a 21/1,4 ASPH. Add
> that to the autofocus 24-90 and basically I am SOL!
> :-)
> Best,
> Bob
>
>
>
> On Tue, Dec 1, 2015 at 1:10 PM, Aram Langhans <leica_r8 at hotmail.com>
> wrote:
>
> Tina and anyone else with this new camera.  I have a question.  Does this
>> lens have a hard stop at infinity or does it focus past infinity in manual
>> mode?  I am thinking of night astrophotography.  My35-70/4 has a hard
>> focus
>> at infinity.  I just turn till it stops and I am all set, no matter what
>> focal length I am using.  Not so on my Nikon AF lenses.  Not sure it this
>> is the way a lens has to be designed for AF, or if it is just cheaper to
>> do
>> so.
>>
>> Also, in manual focus,  if you focus on an object at 90mm, does the focus
>> change as you zoom out to 24?  In other words, does the focus change as
>> you
>> move through the zoom range?  Again, the 35-70/4 does not change focus as
>> you zoom, but all my Nikon zooms do.  The 16-36/4, the 24-120/4 and the
>> 70-200/4.  The worst offender is the 24-120.  My love to hate lens. Again,
>> I am thinking of astrophotography.  If the 24-90 SL lens does not have a
>> hard infinity,  I would like to be able to focus once on a star then not
>> have to refocus if you change the focal length.  Hard infinity would be
>> best, but this would also work after the initial focusing.
>>
>> I looked at the review by Dowling.  I really need to stop looking.  It
>> really makes me want one  in spite of the size.  It looks like a very
>> impressive camera with a great viewfinder, the thing I really dislike
>> about
>> the other mirrorless cameras.  But I know I should not spend that much
>> money, if I had it, and just enjoy what I have now for a while.
>>
>> Thanks.
>>
>> Aram
>>
>> Aram Langhans
>> (Semi) Retired  Science Teacher
>> & Unemployed photographer
>>
>> ?The Human Genome Project has proved Darwin more right than Darwin himself
>> would ever have dared dream.?   James D. Watson
>>
>>
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>>
>
>
>
>
> --
> Bob Adler
> www.robertadlerphotography.com
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information




-- 
Bob Adler
www.robertadlerphotography.com


In reply to: Message from leica_r8 at hotmail.com (Aram Langhans) ([Leica] Leica 24-90 SL lens question)
Message from rgacpa at gmail.com (Robert Adler) ([Leica] Leica 24-90 SL lens question)
Message from leica_r8 at hotmail.com (Aram Langhans) ([Leica] Leica 24-90 SL lens question)