The EOS 7D was something new for Canon. When it was released in 2009, it didn't replace the then-current EOS 50D, but rather it slid into an entirely new niche above it.
Up to that point, the two-digit EOS bodies had occupied an unusual spot in Canon's marketing strategy. Because of the high cost of the pro-oriented 5D and 1D bodies, the two-digit line had to serve two audiences: Enthusiasts who wanted a feature-laden camera, as well as pros on a tight budget.
So they were rugged metal-bodied cameras, fairly weather resistant, but also had the various "Basic Zone" modes like Sports, Portrait, Landscape, et cetera, that are beloved by more casual users.
When the 7D appeared, it was essentially a pro-grade 5D Mark II body, but with an 18MP APS-C sensor in place of the 21MP full frame unit. Gone were the Basic Mode settings, replaced by a battery of user-programmable presets.
Over time, the two-digit line lost its metal body and weather-sealing while the 7D and later 7D Mark II carried the torch as crop-sensor pro bodies, popular with airshow and wildlife photographers for their frame rate and the effective 1.6X focal length bump they gave Canon's big telephotos.
The pictures above were shot with an EOS 7D and Canon's excellent
EF-S 17-55mm f/2.8 IS USM zoom lens, which is an "L" lens in all but name. They're straight-out-of-camera monochrome JPEGs.
The 7D remained in the catalog nearly five years before being superseded by the Mark II version and
used ones today can be found for well under two hundred dollars, which is an incredible amount of bang for the buck.
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