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SportsShooter.com: Member Message Board

Focal length Selection for portraits?
Delane B. Rouse, Photographer, Photo Editor
Washington | DC | US | Posted: 6:10 PM on 08.01.11
->> Does anyone know of a web resource that illustrates the same object (preferably a person) photographed at different focal lengths. I'm mostly interested in 35mm-300mm lengths.

I'm sure I've seen this on the web before but can't find it right now so I figured I'd post here.

Thanks in advance!
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Michael Granse, Photographer
Urbana | IL | USA | Posted: 6:30 PM on 08.01.11
->> Delane, I think that I have seen the tool of which you speak and one of these even demonstrated the same photo at different f-stops and shutter speeds, but I can not remember where I saw this. It showed the difference in exposure AND the change in bokeh, which is something that I wish I had seen when I was first learning how to shoot, but the old Apple IIe computer would not have been able to run a program like that!

I will post a link here if I can find the thing.
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Michael Granse, Photographer
Urbana | IL | USA | Posted: 6:37 PM on 08.01.11
->> I found it:

http://www.photonhead.com/simcam/shutteraperture.php

HOWEVER . . . the one that I am linking to only shows the change of the photo in terms of f-stop and shutter speed. This one does NOT, as I had incorrectly remembered, adjust for focal length but it is still a great representation of what happens to exposure, motion blur vs sharp, and bokeh with a fixed focal length.
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Delane B. Rouse, Photographer, Photo Editor
Washington | DC | US | Posted: 7:47 PM on 08.01.11
->> boom...found one:

http://stepheneastwood.com/tutorials/lensdistortion/strippage.htm


Michael...I like the tool you posted as well...thanks!

D
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Mark Peters, Photographer
Highland | IL | USA | Posted: 7:56 PM on 08.01.11
->> these two are different focal lengths with the same framing:

http://www.mcpactions.com/blog/2010/07/21/the-ideal-focal-length-for-portra.../

http://stepheneastwood.com/tutorials/Tutorials_Lens_Perspective.htm (Scroll down the page)

7th page of PDF (Page numbered 127 - girl in red)
http://software.canon-europe.com/files/documents/EF_Lens_Work_Book_7_EN.pdf
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Mark Loundy, Photo Editor
San Jose | CA | USA | Posted: 10:56 PM on 08.01.11
->> Throughout my career, short telephotos have generally been considered as "portrait" lenses. I think I first heard it articulated in Photo 101.

--Mark
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Delane B. Rouse, Photographer, Photo Editor
Washington | DC | US | Posted: 11:26 PM on 08.01.11
->> Thanks Mark (Peters)...very helpful!!!

Delane
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David Harpe, Photographer
Denver | CO | USA | Posted: 12:38 AM on 08.02.11
->> A 100mm (or 105mm depending on brand) Macro does a fine job as a portrait lens.
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Delane B. Rouse, Photographer, Photo Editor
Washington | DC | US | Posted: 1:12 AM on 08.02.11
->> For the record, I'm wasn't looking for recommendations on which lens to use (but thanks David). Personally I prefer longer focal lengths (150-200) for the compression.

I was looking for a resource to share with a someone that hasn't been shooting that long and hasn't completed Photo 101.

This page
http://stepheneastwood.com/tutorials/lensdistortion/strippage.htm is exactly what I was looking for.
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Nina Zhito, Photographer
bay area | CA | | Posted: 8:07 AM on 08.02.11
->> Ken Kobre's photojournalism texts have this illustrated, as I recall.
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Thread Title: Focal length Selection for portraits?
Thread Started By: Delane B. Rouse
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