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Lack of sharpness at f1.8 on Canon 50mm STM

Started 4 months ago | Discussions thread
davel33 Senior Member • Posts: 2,978
Re: Lack of sharpness at f1.8 on Canon 50mm STM

KenMT wrote:

If you are looking at focusing at 2m (6 ft) at f 1.8 then the depth of field (eg acceptable sharpness) is 9mm or 3/8 of an inch. Drop to 1 m and DOF drops to 2mm. Could this be a part of the problem?

That's a nice way to put it

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Dave

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Canon EOS R Canon EOS R6 Canon RF 35mm F1.8 IS STM Macro Canon RF 24-240mm F4-6.3 Canon RF 85mm F2 Macro IS STM +29 more
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