W wizz747 New Member Feb 27, 2010 210 0 0 37 Singapore Oct 10, 2010 #21 sf_kang said: Not practical to do an indepth technical explanation here. Suggest you look up this link http://en.wikipedia.org/wiki/Depth_of_field Fred Click to expand... Alright matey, thank you.
sf_kang said: Not practical to do an indepth technical explanation here. Suggest you look up this link http://en.wikipedia.org/wiki/Depth_of_field Fred Click to expand... Alright matey, thank you.
Diavonex Senior Member Sep 23, 2008 3,641 0 36 Admiralty Oct 10, 2010 #22 Depth Of Field is affected by: 1. Aperture 2. Subject distance 3. Focal length 4. Sensor format
A android17 Senior Member Sep 27, 2009 945 0 16 Oct 11, 2010 #23 SamTac said: Bigger F number = deeper DOF? Smaller F number = shallower DOF? Click to expand... sorry...bigger number = shallower DOF. :sweat:
SamTac said: Bigger F number = deeper DOF? Smaller F number = shallower DOF? Click to expand... sorry...bigger number = shallower DOF. :sweat:
ZerocoolAstra Senior Member Mar 13, 2008 9,517 1 38 rainy Singapore Oct 11, 2010 #24 ZerocoolAstra said: errrr... because DOF is also a function of focal length? Click to expand... giantcanopy said: Actually in the instance if the apertures were the same, a telephoto lens will have the same dof as a wide lens. http://www.clubsnap.com/forums/newreply.php?do=newreply&p=6578893 http://www.cambridgeincolour.com/tutorials/depth-of-field.htm Ryan Click to expand... ahhh thanks for the correction. Yes it didn't occur to me that I'm technically incorrect. It's because when using telephoto lenses, the subject tends to occupy more of the frame, hence affecting other parameters which in turn affect DOF.
ZerocoolAstra said: errrr... because DOF is also a function of focal length? Click to expand... giantcanopy said: Actually in the instance if the apertures were the same, a telephoto lens will have the same dof as a wide lens. http://www.clubsnap.com/forums/newreply.php?do=newreply&p=6578893 http://www.cambridgeincolour.com/tutorials/depth-of-field.htm Ryan Click to expand... ahhh thanks for the correction. Yes it didn't occur to me that I'm technically incorrect. It's because when using telephoto lenses, the subject tends to occupy more of the frame, hence affecting other parameters which in turn affect DOF.
chiangkxv Senior Member Jul 5, 2008 1,842 41 48 39 Tiong Bahru www.flickr.com Oct 11, 2010 #25 [youtubehd]OUYuUs1aaCU[/youtubehd] watch this for explanation and illustration. ;p