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 best time when to harvest squash of these varieties is while they are still small. The size of summer squash when it is ready to be picked is around 6 inches long or wide, if it is the patty pan variety. Beyond this size, summer squash begins to develop a think skin and becomes bitter. The flavor is not the best for cooking. Frequent harvesting will also encourage the plant to produce more fruit.