What is flash angle?

Bounce flash photography is the use of an external flash unit (also known as hot shoe-mounted flash) to reflect the appropriate amount of light onto your subject so that your shot appears bright and sharp. The Speedlite has a rotatable head that can be adjusted to face a wall or ceiling.

What does flash coverage mean?

The angle of coverage, also known as the flash angle, refers to the area that the light from a flash can cover in terms of the lens angle-of-view (focal length). Built-in flashes have an angle of coverage designed to cover an angle-of-view equivalent to the wide-end of a standard zoom lens.

How do you angle an external flash?

Angle it toward the ceiling, giving you a large light-colored surface to reflect down off of, creating a giant pseudo soft-box. Rotate it to the left or right to bounce it off a wall; angle it and rotate it into a corner. Try some different things, and see the results of the soft, diffuse light it creates.

What is flash bouncer?

What is bounce flash? Bounce flash is when, rather than firing your flashgun pointing directly at your subject, you point it elsewhere typically up or at an angle, bouncing off a wall or ceiling. The objective is to “bounce” light to soften it before it hits your subject.

https://www.youtube.com/user/1978flash

What kind of gradient is produced by flash?

FLASH uses radio frequency excitation pulses with a low flip angle (less than 90 degrees) and subsequent reading gradient reversal for producing a gradient echo signal. The small flip angle pulses create equilibrium of longitudinal magnetization. Transverse magnetization is eliminated by a strong gradient (spoiler gradient).

What’s the difference between automatic flash and flash zoom?

Flash Zoom. Flash zoom refers to how wide your flash will spread the light. Some flash units do not have a zoom option. In an automatic flash zoom mode, the flash will detects the focal length of the lens mounted on your camera body, and adjust the light spread the flash emits to match the angle of view of your lens.

How is a fast low angle shot used in MRI?

Fast low angle shot (FLASH) is the most commonly used gradient spoiled gradient-echo MRI-sequence in abdominal imaging. FLASH uses radio frequency excitation pulses with a low flip angle (less than 90 degrees) and subsequent reading gradient reversal for producing a gradient echo signal. MRI image appearance

What do you mean by Bounce flash in photography?

What Is Bounce Flash? Bounce flash refers to a flash technique where you use the building interior as a reflector. In other words, instead of pointing the flash at your subject, you point it at a wall or a ceiling, then allow the reflected light to illuminate your subject.