In almost any area of life, if something is described as “sharp,” it’s generally a good thing. If you’re preparing food, you’ll want to use a sharp knife since you’re paradoxically more likely to cut yourself with a dull one.
I’d also certainly rather be considered to have a sharp wit than to be a dullard, and it would be nice if people occasionally described me as a “sharp-dressed man” (alas, my wardrobe and footwear choices will likely preclude that from ever happening).
And, of course, this preference for sharpness also extends to photography, where most of us want our pictures to be sharp and clear.
Unless you’re deliberately trying to shoot blurry pictures for artistic effect or to use for the cover of a 90s alternative rock album, you’re generally going to aim for sharp photos. However, that’s often easier said than done, and there are many factors that can decrease the sharpness of your photos. If you don’t want the people looking at your pictures to wonder whether they should schedule an appointment with their eye
