![]() As the name suggests, mirrorless cameras eschew the moving mirror and instead rely on a real-time read out from the camera’s imaging sensor for composing shots. The 3.1-megapixel D30 started a DSLR feud with Nikon that would escalate drastically for more than a decade.Įventually, mirrorless cameras arrived promising smaller bodies with more advanced features, which drastically cut into the DSLR market share. It had a built-in vertical grip like Nikon’s current flagship, the D6.Ĭanon’s first commercial DSLR debuted in 2000. The 2.7-megapixel D1 (a decent resolution at the time) used the same basic layout as the company’s flagship D5 film camera. The transition to digital started as early as the 1980s, but it was the Nikon D1 that really kicked off the mainstream DSLR movement in 1999. Looking back on the camera history timeline, the DSLR was a natural evolution from the film SLRs that came before them. TLRs, as they’re known, have two lenses stacked on top of each other.The top lens composes and focuses your shot, then the bottom lens contains the actual shutter for letting light into the film. The “S” in DSLR stands for “single,” which differentiates it from earlier twin-lens reflex cameras like the Rolleiflex or the Mamiya C-series. You’ll see more than 90-percent of the total scene in the viewfinder, but the final image will typically include extra information around the edges you couldn’t see while shooting. When shooting with a DSLR, it’s worth noting that the viewfinder typically won’t show you the entire image that the sensor captures. This diagram shows how light travels through a DSLR. That’s because the mirror is no longer in place to reflect the image up to your eye. When taking a picture with a DSLR, you’ll notice that the viewfinder goes black for a brief millisecond during the exposure. When you’re not taking a photo, the mirror reflects the image coming through the lens, into a glass prism (or more mirrors) in the viewfinder and eventually into your eyeball.Īs soon as you push the shutter button to take a picture, the mirror quickly flips up out of the way to let light through the shutter and onto the digital sensor. The “reflex” bit of the DSLR category refers to a mirror inside the camera body that sits between the back of the lens and camera’s film plane and shutter. That designation does have a specific meaning, and it’s relatively simple to tell the difference once you know what you’re looking for. For several decades, the vast majority of digital system cameras fit into the digital single-lens reflex category. Learn more ›įor many people outside the photography community-and even some within it-the term “DSLR” has long been used to describe just about any digital camera with interchangeable lenses. We may earn revenue from the products available on this page and participate in affiliate programs.
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