Tiffen 4 x 5.65" 80D Hot Mirror Filter M2 Slim By increasing your aperture or

By increasing your aperture or slowing your exposure time

Thin filter ring helps to prevent vignetting

An open slot in the center (similar to a slot in a mail/letter box) is flanked by diopter glass on either side

Rifa EX 66 and Rifa EX 88 lights to be repurposed at a low cost with the latest LED technology

Helps to reduce bluish hues and improve the vibrancy of skin tones

Tiffen 4 x 5.65" 80D Hot Mirror Filter M2 Slim By increasing your aperture orTiffen W4565080DHM Overview The Tiffen 4 x 5. 65" 80D Hot Mirror Filter is a combination of both a hot mirror infrared control filter and an 80D color temperature correction filter. HD camera's without an infrared control filter benefit from greater sensitivity to the red area of the spectrum, however in order to achieve this they are also more susceptible to infrared pollution; a hot mirror counters this by blocking infrared radiation from reaching