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jamonation · 03-23-2009, 07:56 PM

Someone posted a link a few weeks back (or an image itself, I can't recall) showing the various crop marks representing different fields of view for different focal lengths.

I think the widest was 10-12mm and the centre of the image was a telephoto crop that would represent 200mm or so. Does anyone recall what that link was or have a copy of the image? Does anyone know what I'm talking about at all? TIA

jamonation · 03-24-2009, 10:58 AM

Bumpity bump?

k100d · 03-24-2009, 11:11 AM

i posted something similar before, check out the portrait link too
https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/36957-focal-le...son-tools.html

jamonation · 03-24-2009, 02:55 PM

Those work well, thanks!

Pentaro · 03-25-2009, 01:19 PM

I distinctly remember the picture, but cannot locate it.

I think the photo was posted in 2007, perhaps around summer. I believe that the discussion was about how significantly 1mm of focal length affects FOV in wide angle compared to telephoto. A poster posted a photo (of his creation?) which had maybe 10mm FOV, and had a series of concentric red rectangles drawn on, representing FOVs at different focal lengths.

**Just1MoreDave** · 03-26-2009, 09:37 AM

I am pretty sure the original post was done by Richard Day, but I can't find it.

Pentaro · 10-19-2009, 08:25 AM

Could it be this one?

03-23-2009, 07:56 PM	#1
jamonation Veteran Member Join Date: Jun 2008 Location: Toronto Photos: Gallery Posts: 364	Link to Wide->Telephto FOV Image from a while back? Someone posted a link a few weeks back (or an image itself, I can't recall) showing the various crop marks representing different fields of view for different focal lengths. I think the widest was 10-12mm and the centre of the image was a telephoto crop that would represent 200mm or so. Does anyone recall what that link was or have a copy of the image? Does anyone know what I'm talking about at all? TIA

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03-24-2009, 10:58 AM	#2
jamonation Veteran Member Join Date: Jun 2008 Location: Toronto Photos: Gallery Posts: 364 Original Poster	Bumpity bump?

03-24-2009, 11:11 AM	#3
k100d Veteran Member Join Date: Feb 2008 Location: Toronto Posts: 3,911	i posted something similar before, check out the portrait link too https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/36957-focal-le...son-tools.html

03-24-2009, 02:55 PM	#4
jamonation Veteran Member Join Date: Jun 2008 Location: Toronto Photos: Gallery Posts: 364 Original Poster	Those work well, thanks!

03-25-2009, 01:19 PM	#5
Pentaro New Member Join Date: Apr 2008 Location: Washington, DC Posts: 21	I distinctly remember the picture, but cannot locate it. I think the photo was posted in 2007, perhaps around summer. I believe that the discussion was about how significantly 1mm of focal length affects FOV in wide angle compared to telephoto. A poster posted a photo (of his creation?) which had maybe 10mm FOV, and had a series of concentric red rectangles drawn on, representing FOVs at different focal lengths.

03-26-2009, 09:37 AM	#6
Just1MoreDave Site Supporter Join Date: Feb 2007 Location: Aurora, CO Photos: Gallery \| Albums Posts: 6,340	I am pretty sure the original post was done by Richard Day, but I can't find it.

10-19-2009, 08:25 AM	#7
Pentaro New Member Join Date: Apr 2008 Location: Washington, DC Posts: 21	Could it be this one?

Link to Wide->Telephto FOV Image from a while back?

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