Other tricks are as follows:
Use a high F number. This gives a larger depth of field so more of the image is in focus. A consequence of this will be that the exposure gets longer, so use a tripod and a remote release to stop camera shake. If you don’t have these, blue tac the camera to a suitable support and use the timer function. Don’t try to hand hold the camera as you won‘t keep it still.
Next, use a mid toned background. Using light or dark backgrounds fool the camera sensor into under or over exposing the image.....the sensor sets camera exposure so that the majority tone of the image is a mid grey. Photo shopping an image is useful, but it’s better to try and get the exposure right in the first instance....
Lastly, use the histogram....you need a good spread on this for a nice image....watch out for blown highlights as they are lost detail that cannot be retrieved. Better to shoot slightly under and brighten the image under post processing.....
cheers
Tim