As the aperture number gets smaller (for example, from f/16 to f/11) the aperture opening gets larger and the image gets lighter. The reason you don't usually see this effect in your images is because when you or the camera change the aperture, the camera changes the shutter speed to keep the exposure constant.
Button Squash Cucurbita pepo Cucurbitaceae The fruit of the button squash is literally only 'button' if you pick the fruit when very young.There is a temptation to let them ripen but that would be a mistake as they will just continue to grow until you end up with pumpkins.utton Squash Cucurbita pepo Cucurbitaceae The fruit of the button squash is literally only 'button' if you pick the fruit when very young.
The secret to harvesting any type of summer squash is harvest early and harvest often. Once a squash plant begins to produce check it every day for harvestable fruit. Yellow squash and zucchini are harvested when they're 4-8 inches long; any longer and they begin to get bitter. Patty pan squash can be harvested when they're very small.