For a protracted whereas, digital single-lens reflex (DSLR) cameras have been the king of the fortress for skilled and newbie images. They introduced giant sensors, interchangeable lenses, and professional-level viewfinders to the digital world at approachable costs, after which cemented their lead once they began getting used to create video as properly. They’re experiencing a little bit of a decline now, although, as mirrorless cameras begin to dominate, and with that comes some distinctive alternatives. To connect a lens meant for a DSLR to a mirrorless digicam, an adapter housing have to be used, and [Ancient] discovered a technique to squeeze a pc and a programmable aperture into this tiny house.
The programmable aperture is predicated on an LCD display screen from an outdated cellphone. LCD screens are usually clear till their pixels are switched, and in most makes use of as shows a backer is put in place so somebody could make out what’s on the display screen. [Ancient] is eradicating this backer, although, permitting the LCD to be fully clear when switched off. The display screen is positioned inside this lens adapter housing in the course of a PCB the place a small laptop can also be positioned. The pc controls the LCD through a set of buttons on the skin of the housing, permitting the photographer to make use of this display screen as a programmable aperture.
The LCD-as-aperture has a variety of fascinating makes use of that might be not possible with an ordinary iris aperture. Not solely can it perform as an ordinary iris aperture, however it may do issues like cycle by totally different areas of the picture in sequence, open up arbitrary components or shut off others, and a variety of different distinctive choices. It’s value trying out the video under, as [Ancient] demonstrates many of those results in the direction of the top. We’ve seen a few of these results earlier than, though these have been in lenses that have been mechanically managed as a substitute.
Due to [kemfic] for the tip!
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