You've Never Seen Your Cheapo Camera Lens Like This Before

From Camera Technica, a pair of videos showing the aperture blades of a Canon 18-55mm kit lens - the kind of lens you get in a cheap DSLR bundle - opening and closing in slow motion. The mechanics of even this cheapo lens look amazingly sophisticated seen like this.

Aperture blades must not only be precise in the amount of light they allow through, they must be lightning fast. In the split second that you press the shutter button, the razor thin aperture blades must close to a precisely sized hole, await the shutter exposure, and then snap back into the wide open position before you can blink your eye.

Eye-opening, in a manner of speaking.

[Camera Technica via Petapixel]



    Would love to see this in even slower motion

    Can you at least qualify by saying that this lens is cheap compared to professional level lenses??

    This lens is better quality glass than every lens offered on a compact camera. which is the vast majority of the market.

    Its a bit misleading calling this cheap

    Interesting video & I'll add that the whole single lens reflex system with flipping mirror & shutters that open & shut at 1/8000th of a second is truly an engineering feat

    Buy any old manual apeture SLR lens (cheep), waggle the f-stop setting and see exactly the same - and you won't need slow-mo :-)

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