The Aputure H198C is a must-have LED light that lets you create a larger light source for your subjects. It has 198 LEDs and provides a beam angle of 60° with a brightness ranging from 420 lux and 435 lux, at a distance of 3.3 feet. The light output can be adjusted from 0 to 100% with the help of the step-less dimming dial located at the back of the unit. The LED light comes with a slim, frameless design that ensures no unwanted light leaks or gaps for that flawless lighting. The swivel shoe mount adapter is useful for attaching the light to a camera, whereas the expansion slots let you connect up to nine lights for creating a larger light source. Finally, this light can be powered by either a Sony NP-style battery or six AA-type batteries.
Type of light such as Filament lamps: Incandescent, Halogen, Halogen-IR; Discharge Lamps: Fluorescent, HID (High Intensity Discharge); HID Lamps: Mercury, HPS (High Pressure Sodium), MH (Metal Halide) and CMH (Ceramic Metal Halide); LED lamps
5500 K: 1,780 lux @ 1.6' (0.5 m), 435 lux @ 3.3' (1 m), 115 lux @ 6.6' (2 m); 3200 K: 1,690 lux @ 1.6' (0.5 m), 420 lux @ 3.3' (1 m), 110 lux @ 6.6' (2 m)
Paper brightness affects the images printed on the paper, especially the vibrancy of the colors. The brightness of a piece of paper is typically expressed on a scale of 1 to 100 with 100 being the brightest. The multipurpose bond paper used in copy machines and desktop printers generally has a paper brightness in the 80s. Photo papers are normally in the mid to high 90s.