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Focus issues on Canon 500d

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Paul Hodson is onlineSilver Member
22 July 2012 09:05
mph
Photographer
mph
Location
United Kingdom
Cheshire
Crewe

Quote from Modernman
Possibly,MPH,but Im not certain what the problem is yet.



Well trying that should rule out one possible problem (assuming good tripod, mirror lock up and delayed action firing)

Bear in  mind of course that the camera/lens may need adjustment. My 5D and the 24-105 were both back focussing when I got them.  (as was my 10D!)
Amateur - happy to do TF with models with potential and enthusiasm. Website: www.mphodson.co.uk


Frank Sinnott is off-line
22 July 2012 09:12
frankpht
Photographer
frankpht
Location
United Kingdom
London


I don't know this camera but it probably has settings for sharpness contrast and saturation. If it has or you already know this. Check it anyway


Dominic Thurmer is off-linePlatinum Member
22 July 2012 09:32
dominicdgt
Photographer
dominicdgt
Location
United Kingdom
Kent
Gillingham

I'd also suggest a controlled set up with tripod! (borrow one) and printed text on a box, larger the better, mark a spot either a word or letter and focus on that area each time, go through a range of aperture settings, check results on a PC magnify no more than 200% will show straight away if results are consistent, good or bad, repeat the same test off tripod and see how hand help compares!

There are so many variables when focusing, shallower depth of field that we often realise, model moves slightly, you move slightly as you take the picture, all relevant if you focus lock to recompose the picture,more camera shake then we realise,

try also manual focusing, its much harder than you realise but it also shows you how little change on the focus ring has a massive impact!

If all that proves nothing try a forward/back focus test, (google will show you how) and if needed send camera off for inspection if its a problem across more than one lens! Good luck.
Dominic


22 July 2012 10:57
Modernman
Photographer
This member has been suspended


Thanks lads seeing a few optionshere.

http://cameralightlens.com/newsblog/?p=264


22 July 2012 11:40
Modernman
Photographer
This member has been suspended


Thanks again all,maybe being too critical of the camera/lens/my abilities,

Theres one of my boy swimming and its 1/500 sec f6.3,the action is basically frozen and the splashes are stopped,no shake there.
Most of it seems in focus but then where did I focus ?Thatsthe question.
I could maybe put this down to my distance from the subject and was I using the appropriate lens,on some occasions there is a sky and never flash filled the subject,so I would imagine that the focus/composition would have to suffer there.
Im so greatful for digital.
Anyway any more ideas of what would help would be gratefully accepted.
Illdo the focus test tomorrow


Steven Jardine is off-linePlatinum Member
22 July 2012 11:43
RedChecker
Photographer
RedChecker
Location
United Kingdom
Buckinghamshire
Stoke Mandeville

Quote from Modernman
Most of it seems in focus but then where did I focus ?



Load up the RAW file into Canon's Digital Photo Professional and it will highlight the corresponding focus point that locked on for that picture.

 - load image
 - click 'View' menu
 - click 'AF point'
If you can't dazzle 'em with brilliance, baffle 'em with bullshit


22 July 2012 15:12
Modernman
Photographer
This member has been suspended


Getting there,thanks everyone for your help.


Paul thomas Ford is off-lineSilver Member
23 July 2012 05:21
paulford
Photographer
paulford
Location
United Kingdom
South Yorkshire
Doncaster

Have you tried using the lens/lenses on a different body? trying your lens/lenses on a different body, Might eliminate somthing. If possible on a 500d to eliminate all variables, You could try resetting camera to factory setting in the menu, Might be somthing there.


Orson Carter is onlineGold Member
23 July 2012 05:37
orsoncarter
Photographer
orsoncarter
Location
United Kingdom
Somerset
near Frome

Quote from Modernman
Hi there,I'm looking for advice on how to obtain good focus on the 500d as I'm having trouble and feel I'm wasting many family memories.

Having just come back from holiday Ive looked at some and theyre at first glance ok,but then when you blow up to an acceptable level they become,well,,,waxy,

I have tried various methods ,ie plenty light make sure faster than 1/60 to elim camera shake ,focus on the subjects eye with the centre red dot,tried various f stops to alter dof,  
I dont think it is strictly the camera as I done studio shoot 3 years ago,but Im open to any suggestions.

Have used the 18-55 stabilised kit lens and also the 50mm prime f1.8.

Anybody advise anything I'd be your friend forever.



I used to have the same problems with my 450D with the kit zoom and a 50mm f1.8   Then I saw this article: http://visual-vacations.com/Photography/focus-recompose_sucks.htm

FWIW, virtually all my model pics are taken on the 50mm in low light at around 1/30 sec at around f2.8, and since reading that article my problems have lessened considerably. 
If it walks like a duck and quacks like a duck, it is a duck


Orson Carter is onlineGold Member
23 July 2012 05:39
orsoncarter
Photographer
orsoncarter
Location
United Kingdom
Somerset
near Frome

Quote from Modernman
Thanks again all,maybe being too critical of the camera/lens/my abilities, Theres one of my boy swimming and its 1/500 sec f6.3,the action is basically frozen and the splashes are stopped,no shake there. Most of it seems in focus but then where did I focus ?



In Canon DPP, if you go into 'view' the drop down menu gives you the option of seeing where your AF point(s) were. 
If it walks like a duck and quacks like a duck, it is a duck



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