Q–What is the B setting on the shutter speed dial used for? A–This enables the use of longer exposures than those marked in fractions on the dial. On the setting, the shutter will remain open ...

Itching to try out a new camera or lens but it's pouring with rain? Head underground and discover the delights of the ...

What is shutter speed in photography? A camera needs to let light into the sensor to take a photograph. Cameras have a shutter, which stops light from reaching the sensor until activated.

These are shutter speed, aperture and ISO. How to understand f-stops Even if you've never changed the f-stop on your lens or through your camera, you've probably noticed this setting at some point.

Shutter speed, aperture, and ISO: explained! ... As your f-stop number goes down, your aperture gets wider. That means an f-stop of f/2.8 is wider than f/3 but narrower than f/2.

That means f/2.8 is four times darker than f/1.4, although all you really need to know is the number of stops: If you open the aperture by 2 stops, you’ll need to change the shutter speed or ISO ...

Set the shutter speed to the value you want to test accuracy for. The fastest you can measure is 1/500th of a second. Wind the advance lever of your SLR and then tap the aperture icon on the app.

Your dSLR's (or ILC's or enthusiast compact's) Shutter-priority mode is perfect when you care about shutter speed beyond all else. Here's what you need to know to use it.

Whether you have traditional camera equipment or a mobile phone, there are some basic rules for making a perfect picture of fireworks.