Archived posting to the Leica Users Group, 2011/04/18

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Subject: [Leica] OT: Technical Question- Panning vs WA Lens
From: ricc at embarqmail.com (Ric Carter)
Date: Mon, 18 Apr 2011 16:01:07 -0400
References: <687547.86382.qm@web82108.mail.mud.yahoo.com> <p0624080ec9d23dfd23eb@[192.168.1.106]> <FBECA949-7199-48C4-B148-145EE1AC6A0E@yahoo.com>

maybe

turn it vertical and shoot three or four frames

ric


On Apr 18, 2011, at 3:54 PM, Bob Adler wrote:

> Thanks Herb. 
> 
> So to ensure I understand for my situation, if I were to take a shot with 
> a 40mm lens on a 6x4.5  sensor( film, ccd, etc.) in landscape orientation, 
> I could get pretty much the same coverage with a shot taken with an 80mm 
> lens on 6x4.5 in portrait orientation (using panning)?  Might have to step 
> back a bit to get the same vertical area? 
> 
> If I were to use a longer than 80mm lens (say a 120) I would have to step 
> back further than with the 80?  
> 
> Thanks again,
> Bob
> 
> Bob Adler
> http://www.rgaphoto.com
> 
> On Apr 18, 2011, at 12:18 PM, Herbert Kanner <kanner at acm.org> wrote:
> 
>> Bob,
>> 
>> The perspective depends on where you are, not on the focal length of the 
>> lens. There is a conception that a wide-angle lens produces an 
>> exaggerated perspective. Not true. The exaggeration is because, for the 
>> same image size, you photograph from closer with a WA. However, if you 
>> use a WA, you are wider both vertically and horizontally, so for a pan 
>> effect, you are forced to crop out foreground and sky. For the same size 
>> final picture, therefore, you should be better off panning and stitching 
>> with a longer lens. More work, of course.
>> 
>> I say all this based on theory. I've never tried stitching--I assume 
>> that's a Photoshop operation.
>> 
>> Herb
>> 
>> 
>> 
>>> I am trying to understand if I can take a wide angle photo using
>>> panning/stitching with a normal lens that would look like it was
>>> taken with a WA
>>> lens. My specific question is if I can get the same coverage and 
>>> perspective
>>> using an 80mm Hassy lens and panning/stitching 3 or 4 overlapping shot 
>>> as I
>>> could with the 40mm Hassy.
>>> 
>>> If so how would this best be accomplished? Standing back further with 
>>> the 80
>>> than with the 40 or just at the same spot with the panning. Would the 
>>> image's
>>> perspective be the same?
>>> 
>>> Thanks to all who can help,
>>> Bob
>>> Bob Adler
>>> Palo Alto, CA
>>> http://www.rgaphoto.com
>>> 
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
>> -- 
>> Herbert Kanner
>> kanner at acm.org
>> 650-326-8204
>> 
>> Do not meddle in the affairs of cats,
>> for they are subtle and will pee
>> on your computer!
>> 
>> _______________________________________________
>> 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 rgacpa at yahoo.com (Bob Adler) ([Leica] OT: Technical Question- Panning vs WA Lens)
In reply to: Message from rgacpa at yahoo.com (Bob Adler) ([Leica] OT: Technical Question- Panning vs WA Lens)
Message from kanner at acm.org (Herbert Kanner) ([Leica] OT: Technical Question- Panning vs WA Lens)
Message from rgacpa at yahoo.com (Bob Adler) ([Leica] OT: Technical Question- Panning vs WA Lens)