sony hvl f20m hot shoe clip on flash
extends flash range beyond cameras built in flashthough compact and lightweight the hvl f20am has a maximum range twice that of the built in flash units on & x3b1 ; 230 & x3b1 ; 330 and & x3b1 ; 380 cameras . this is represented as the guide number gn of 20 with a 50mm focal distance at iso 100 . bounce flash enables shadowless indirect lightingwhen set to indoor shooting mode the flash points up to bounce light off the ceiling for shadowless illumination of your subject . when set to the outdoor shooting mode the flash directs light directly at your subject . built in diffuserwith the built in diffuser the flash illumination covers an angle of view of 27mm at the default standard position setting . if users want to to shoot at a greater distance they can rotate the dial on the side of the flash unit to the tele position . although this reduces flash coverage to an angle of view of 50mm it extends the range to illuminate more distant subjects . easy intuitive operationunlike most external flash units the hvl f20am has no dedicated on off switch . instead power is automatically switched on simply by raising the flash unit into the shooting position . in addition a switch on the side of the unit offers indoor and outdoor settings making it easy to obtain flash illumination that suits the shooting situation . a charging lamp indicates when the flash is ready to fire.light 90g 3.2 oz slim 24mm 1 ultra compact designwith a weight of only 90g approx . and a thickness of only 24mm 1 inch the hvl f20am is so compact it can simply be folded down and left mounted on the camera when it is not in use or detached and carried in a shirt pocket . when removed from the camera the flash units hot shoe can be folded to the side making the body even more compact . elegant and attractive stylingviewed from any angle the hvl f20ams revolutionary body is sleek slim and virtually protrusion free . the new design also eliminates the lcd display panel found on many conventional flash units further contributing to esy use simplicity and stylish design . adi flash metering systemthe adi advanced distance integration flash metering system offers the optimum flash metering and automatic white balance compensation regardless of the background conditions or the subjects reflectance . adi flash metering works in combination with & x3b1 ; cameras and lenses that incorporate a distance encoder . when used with these lenses the camera calculates a guide number to control ttl through the lens flash metering . this guide number is calculated according to distance from the subject ambient light and pre flash reflectivity of the subject and the background . wireless flash trigger function dslr a900 only when teamed with the & x3b1 ; 900 the hvl f20am can also be used to trigger wireless flash setups . please note however that this functionality is only available with dslr a900 and does not include luminosity ratio control .
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