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.
What they all have in common are a soft, thin, edible skin with soft seeds inside (which actually make them a fruit by the way) and the fact that they can be eaten raw, unlike their cousins (winter squash). Zucchini is the most well known in the summer squash category. Summer squash includes zuccini (black, green or yellow), crooked neck, straight neck, scallop, butter blossom, gourmet globe and sun drops.