Not correct, if bad eyesight leads to a percieved COC larger than the generally defined COC, a larger deviation from the focal plane is needed to see a reduced sharpness, hence the percieved DOF is larger.

JC OConnell wrote:
no, they have less DOF since they see less in focus

JC O'Connell
hifis...@gate.net

-----Original Message-----
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Derby Chang
Sent: Wednesday, April 08, 2009 5:43 PM
To: Pentax-Discuss Mail List
Subject: Re: Trading resolution for depth of field


Jos from Holland wrote:
Exactly! Thats why people with poor eyesight are lucky: they have a
larger COC


MARK!


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