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.
Start harvesting as soon as the leaves are big enough to eat, about 4 to 5 inches (10-12 cm) long. You can pick the large outer leaves or slice the entire plant off about 1 inch (2.5 cm) above the soil line, prompting the plant to send out new growth, which will reach eating size in another 3 to 5 weeks.arvest summer squash when immature and still tender, and not more than 6 to 8 inches (15-20 cm) long and 2 inches (5 cm) in diameter. Harvest patty pan, or scallop types when they are 3 or 4 inches (7.6-10 cm) in diameter.