Facts about DSLRs

1. 07

   Autofocus systems in modern DSLRs use phase-detection sensors with 45 to 153 focus points across the viewfinder, enabling tracking of fast-moving subjects at speeds up to 14 frames per second.

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2. 06

   Sony's Alpha 7 series, introduced in 2013, pioneered full-frame mirrorless technology that eventually pressured major DSLR manufacturers to transition away from mirror-based designs.

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3. 05

   Pentax's K-mount system, introduced in 1975, remains compatible with modern DSLRs released over 45 years later, making it the longest continuously compatible camera mount in history.

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4. 04

   Mirror mechanisms in DSLRs can cycle up to 150,000 times before mechanical failure, making shutter durability a critical specification for professional photographers.

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5. 03

   Nikon's D70, released in 2004 at 999 dollars, became the first affordable DSLR under 1000 dollars and democratized digital photography for amateur enthusiasts worldwide.

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6. 02

   Canon's EOS 5D Mark II, released in 2008, was the first DSLR to record full 1080p video, revolutionizing the camera market for filmmakers and content creators.

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7. 01

   The first digital SLR camera, the Kodak DCS 100, was released in 1991 and cost approximately 13,000 dollars with a 1.3-megapixel sensor.

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