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FORUMS Photography Talk by Genre People Talk 
Thread started 19 Jul 2011 (Tuesday) 19:16
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Portrait pics with a 50mm

 
x3ntaur
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Jul 19, 2011 19:16 |  #1

The 50mm (f1.8) is probably my fave lens at the moment and wanted to get some advice on optimal usage.

If I am standing between 3-5 metres from a person, is there an optimal f stop to use for a head/shoulder shot and also for full head-to-toe shot?


Many thanks


Canon rebel xsi (450D), Canon 18-55mm f/3.5-5.6 IS, Canon 50mm f/1.8 II, Canon 28-105mm f/3.5-4.5 USM, Canon 55-250mm f/4-5.6 IS,
Tamron 55-200mm f/4-5.6, Sigma 70-300mm f/4-5.6 APO, Raynox DCR-250, Yongnuo YN-465, Yongnuo YN-460 II

  
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Frugal
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Jul 19, 2011 23:30 |  #2

I don't know which camera you have or depth of field you want but you can calculate it here: http://www.dofmaster.c​om/dofjs.html (external link)


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x3ntaur
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Jul 20, 2011 01:08 |  #3

Frugal wrote in post #12789744 (external link)
I don't know which camera you have or depth of field you want but you can calculate it here: http://www.dofmaster.c​om/dofjs.html (external link)

Thank you! Looks like the perfect tool for me (got a Rebel Xsi )


Canon rebel xsi (450D), Canon 18-55mm f/3.5-5.6 IS, Canon 50mm f/1.8 II, Canon 28-105mm f/3.5-4.5 USM, Canon 55-250mm f/4-5.6 IS,
Tamron 55-200mm f/4-5.6, Sigma 70-300mm f/4-5.6 APO, Raynox DCR-250, Yongnuo YN-465, Yongnuo YN-460 II

  
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LeeRatters
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Jul 22, 2011 08:09 |  #4

x3ntaur wrote in post #12788453 (external link)
The 50mm (f1.8) is probably my fave lens at the moment and wanted to get some advice on optimal usage.

If I am standing between 3-5 metres from a person, is there an optimal f stop to use for a head/shoulder shot and also for full head-to-toe shot?


Many thanks

it'll also come with experience what f/stop to use. i shoot a lot at 50mm & it's not often i have to retake because i haven't got the dof or f/stop that i want.


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Nomofica
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Jul 25, 2011 23:42 |  #5

You can install DOF calculator apps on iOS devices (iPhone, iPod Touch, iPad, etc), and (I'm assuming) android devices. I've used them before.


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ThatJamesGuy
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Jul 26, 2011 00:40 |  #6
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depends on the effect you want really, and the lighting you have to work with.


Body: 1D Mark II
Lenses: 24-70 2.8 L, 70-200 4 L
Flash: 430 EX

  
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michelle3
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Jul 26, 2011 09:36 |  #7

Thanks for that site Frugal.. definitely will be using that!


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Tweet
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Jul 31, 2011 23:44 |  #8

Sharpness is through the roof from f5 to f8...
http://www.dpreview.co​m …n_50_1p8_ii_c16​/page4.asp (external link)




  
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Broomdude
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Aug 04, 2011 00:45 |  #9

Nomofica wrote in post #12823165 (external link)
You can install DOF calculator apps on iOS devices (iPhone, iPod Touch, iPad, etc), and (I'm assuming) android devices. I've used them before.

I also can benifit from some aids for setting DOF. I didn't know there are apps for that. Downloading one right now :)


60D, 15-85mm, 70-300mm, 50mm f1.8, 430ex II

  
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at7815
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Aug 04, 2011 09:57 as a reply to  @ Broomdude's post |  #10

I can really use some help in this area as well. Thanks for starting this thread!




  
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miccullen
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Aug 07, 2011 13:11 as a reply to  @ at7815's post |  #11

Thanks for the link!


Noob Gear: EOS Rebel XT, 18-55mm, 50mm 1.8, 35-80mm, 55-250mm IS, and a bag full of other stuff.

  
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PMesritz
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Aug 11, 2011 09:21 as a reply to  @ miccullen's post |  #12

I want to tack on a question to this thread since it's kind of in the same vein:

Once you've taken a picture and are reviewing, at what level magnification do you look at the eyes/target to determine whether it's sharp enough?


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ThatJamesGuy
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Aug 11, 2011 12:25 |  #13
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I look at 66% in photoshop which is usually about 1700xwhatever, bigger than I'd ever show on my site.


Body: 1D Mark II
Lenses: 24-70 2.8 L, 70-200 4 L
Flash: 430 EX

  
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LeeRatters
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Aug 11, 2011 15:49 |  #14

resize > 100%


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Aressem
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Aug 12, 2011 13:31 |  #15

If you want a balance of thin DOF and sharpness, try shooting at f/4. It's no good wide open but at f/4 I find it deadly sharp. Here's an example...

IMAGE: http://aressem.squarespace.com/storage/post-images/doug_balcony.jpg?__SQUARESPACE_CACHEVERSION=1308753485223

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Portrait pics with a 50mm
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