Archived posting to the Leica Users Group, 2010/03/26

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Subject: [Leica] OT: Another maybe not so stupid GH1 question
From: hopsternew at gmail.com (Geoff Hopkinson)
Date: Fri, 26 Mar 2010 23:16:04 +1000
References: <daaeb97e1003251901x39685bb5w60bb366bf9ca4089@mail.gmail.com> <a3f189161003252005y54471dadm7a899184f4656a8@mail.gmail.com> <daaeb97e1003252014q462910c5yefac14166cf0ae48@mail.gmail.com> <a3f189161003252054y79906939o1a220e432c04a26c@mail.gmail.com> <19b6d42d1003252129t4f187030h3c55760ac01e99b@mail.gmail.com> <eb6799211003252204n6fb843fblb96565e0931ad77a@mail.gmail.com> <19b6d42d1003260030r45049a51rd16732edcf098182@mail.gmail.com> <eb6799211003260055o19325a60jb7267d251309394b@mail.gmail.com> <19b6d42d1003260113g15b3a95bx4e1cf0a2b4cac69e@mail.gmail.com> <eb6799211003260122x1a2b504bsccd54a7b2f51fd09@mail.gmail.com>

Howard grabbed this shot over dinner recently, no doubt intent on showing me
consuming dessert.
The next shot is with my 50 on the M9 (pointing across the table the other
way but about the same distance).
http://gallery.leica-users.org/v/hoppyman/1/P1010223.jpg.html



Cheers
Geoff
http://www.pbase.com/hoppyman


On 26 March 2010 18:22, Richard Man <richard at imagecraft.com> wrote:

> DoF I meant as Depth of Field (Death of Field?), i.e. the amount of
> "in-focus" zone, which is related to the focal length, distance to subject,
> distance of viewing, and size of print, and of course, the circle of
> massive
> confusion.
>
> On Fri, Mar 26, 2010 at 1:13 AM, Vince Passaro <passaro.vince at gmail.com
> >wrote:
>
> > That's what I thought you meant. But ain't that DofF?
> >
> > I'm going to make a pronouncement now: nobody really understands this
> crop
> > factor thing in a rational way: some of us (not I, but others, among you
> > guys) know from practice how a 35mm lens will look on a full frame M9
> > versus
> > a 1.3 M8 versus a 1.5 Nikon versus a 2X G series, but no one can explain
> > it.  The fabulous and popular new 20/1.7 for all you G-sters is a good
> > starting point. I look up and see new postings from the lens every day.
> And
> > the images don't look like 20mm images and they don't look like 40mm
> images
> > either, except when they've been cropped even further on PS or LR.
> >
> > On Fri, Mar 26, 2010 at 3:55 AM, Richard Man <richard at imagecraft.com>
>  > wrote:
> >
> > > Perspective as in .... the vanishing point!!
> > >
> > > e.g. if you take a photo of a person with a building way behind them.
> On
> > a
> > > 40mm perspective, the building will appear one size, but a 20mm
> > perspective
> > > will (I'm pretty sure) make the building look smaller.
> > >
> > >
> > > On Fri, Mar 26, 2010 at 12:30 AM, Vince Passaro <
> passaro.vince at gmail.com
> > > >wrote:
> > >
> > > > Richard: I understand "closeness" and "frame" and DofF here, but I
> > don't
> > > > know what you mean by "perspective" in this case. Can you explain the
> > > > perspective part?
> > > >
> > > > On Fri, Mar 26, 2010 at 1:04 AM, Richard Man <richard at 
> > > > imagecraft.com
> >
> > > > wrote:
> > > >
> > > > > Vince, try this:
> > > > >
> > > > > You are getting a ~40mm closeness, e.g. if you want to frame a
> > > headshot,
> > > > > you
> > > > > will end up ~where you would be if you are using a 40mm lens on a
> > 35mm
> > > > > camera, but the perspective (and DoF) would still be 20mm. Hence
> the
> > > look
> > > > > is
> > > > > not quite like straight 40mm on a 35mm camera.
> > > > >
> > > > >
> > > >
> > > > _______________________________________________
> > > > Leica Users Group.
> > > > See http://leica-users.org/mailman/listinfo/lug for more information
> > > >
> > >
> > >
> > >
> > > --
> > > // richard <http://www.imagecraft.com/> blog: <
> > > http://imagecraft.wordpress.com>
> > > // portfolio: <http://www.imagecraft.com/pub/PICS/AnotherCalifornia2>
> > > // mailing lists: <http://www.imagecraft.com/contact.html>
> > > [ For technical support on ImageCraft products, please include all
> > previous
> > > replies in your msgs. ]
> > >
> > > _______________________________________________
> > > 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
> >
>
>
>
> --
> // richard <http://www.imagecraft.com/> blog: <
> http://imagecraft.wordpress.com>
> // portfolio: <http://www.imagecraft.com/pub/PICS/AnotherCalifornia2>
> // mailing lists: <http://www.imagecraft.com/contact.html>
> [ For technical support on ImageCraft products, please include all previous
> replies in your msgs. ]
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>


Replies: Reply from passaro.vince at gmail.com (Vince Passaro) ([Leica] OT: Another maybe not so stupid GH1 question)
In reply to: Message from digiratidoc at gmail.com (James Laird) ([Leica] OT: Another maybe not so stupid GH1 question)
Message from sonc.hegr at gmail.com (Sonny Carter) ([Leica] OT: Another maybe not so stupid GH1 question)
Message from digiratidoc at gmail.com (James Laird) ([Leica] OT: Another maybe not so stupid GH1 question)
Message from sonc.hegr at gmail.com (Sonny Carter) ([Leica] OT: Another maybe not so stupid GH1 question)
Message from passaro.vince at gmail.com (Vince Passaro) ([Leica] OT: Another maybe not so stupid GH1 question)
Message from richard at imagecraft.com (Richard Man) ([Leica] OT: Another maybe not so stupid GH1 question)
Message from passaro.vince at gmail.com (Vince Passaro) ([Leica] OT: Another maybe not so stupid GH1 question)
Message from richard at imagecraft.com (Richard Man) ([Leica] OT: Another maybe not so stupid GH1 question)
Message from passaro.vince at gmail.com (Vince Passaro) ([Leica] OT: Another maybe not so stupid GH1 question)
Message from richard at imagecraft.com (Richard Man) ([Leica] OT: Another maybe not so stupid GH1 question)