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Moving from Canon to X-t3--lens suggestions for Fuji

Started Dec 6, 2021 | Discussions thread
Jerry-astro
MOD Jerry-astro Forum Pro • Posts: 19,920
Impact of stopping down more than necessary

buckeyevet wrote:

KAAMBIC wrote:

buckeyevet wrote:

Single focus point was the mermaid's face

Single focus point was my dog's left eye. She wasn't moving.

User error. 1/3 and 1/8 is too slow for a non stabilized shot at that focal length. The mermaid shot is also at f/22 which causes a lot of diffraction softening. The battery issue i cant speak on but in these shots there is nothing wrong with the gear.

Duly noted. I was using a tripod for the dog photo, but I did not use a cable release. Good to know about f22 being soft. This is new information for me.

A photography couse I took said to use f22 if the desire is to have more of the subject in focus, which is what I was going for. I'm always willing to learn. Thanks for the feedback!

There can an image quality price to be paid for stopping down, particularly at greater extremes, such as f/22. Diffraction can become an issue at small apertures and can further impact image quality. That's a good reason to be cognizant of DOF at different apertures (and focal lengths) and to try to keep your aperture no smaller than needed to ensure that the areas that need to be sharp are in focus. Just using f/22 to "be safe" sort of works, but your overall image quality may well suffer as a result and the impact might show up, particularly if you decide to print large.

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Jerry-Astro
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