Canon EOS 40D (2007)

At 740 grams, it lands in your hands like a tool that means business—solid, deliberate, and built to last.

Overview

The Canon EOS 40D, released in 2007, occupies a quiet throne in the lineage of prosumer DSLRs—fifth in its line after the D30, D60, 10D, 20D, and 30D. It wasn't a revolution, but a refinement: the kind of camera that doesn't shout about its upgrades but delivers them in the quiet rhythm of a shutter that just works. With a 10.1 MP APS-C sensor and a burst rate of 6.5 FPS, the specs look modest by modern standards, but owners report it was never about the numbers. It was about how the camera disappeared into the act of shooting—how the grip felt, how the controls responded, how the 3" LCD finally stopped being an afterthought.

Compared to its predecessors, the 40D took tangible steps forward in build and usability. The body, while dimensionally similar to earlier models at 146 x 108 x 74 mm and 740 g, gained a "rubberier" cover that collectors note made a real difference in grip and handling, especially during long sessions. It traded the "nasty hard plastic" of the 20D and 30D for a more tactile, secure feel. Weather sealing improved too—the CF card door now featured foam seals, a small but meaningful upgrade for shooters working in less-than-ideal conditions.

Inside, the 10.1 MP sensor (10,077,696 pixels) delivered image quality nearly indistinguishable from other Canon DSLRs of the era. According to user reports, the final output from the 40D held up just as well as that from the 5D or Rebel XTi, even if the specs suggested otherwise. The real differentiators were experiential: the 95% viewfinder with a legible bottom display, the 3" LCD that users described as "big, bold, bright and vivid" compared to the dim screens of earlier models, and the quieter, smoother shutter operation that reduced hand vibration. One photographer put it plainly: "The 40D just gets out of your way better and faster than its very similar predecessors."

Specifications

Manufacturer	Canon
Product type	DSLR
Pixel count	10,077,696
Megapixel rating	10.1
Resolution	10.1 MP
Burst rate	6.5 FPS
LCD screen size	3"
Original price	$1,299.99
Sensor size	APS-C (1.6x crop)
ISO range	100-1600 (expandable to 3200)
Shutter speed range	1/8000 to 30 seconds, Bulb
Viewfinder coverage	95%
Autofocus system	9-point, all cross-type
Storage media	CompactFlash (CF)
Battery	BP-511A
Dimensions	5.7 x 4.2 x 2.9" (146 x 108 x 74 mm)
Weight	26 oz (740 g) body only
Lens mount	Canon EF-S mount
Compatible lenses	Canon EF and EF-S-mount lenses
Number of compatible native lenses	333
Shutter life expectancy	150,000 images
Built-in flash guide number	43 feet (13 meters) at ISO 100
Construction	Built-in flash
Accessory	Battery grip model BG0-2EN

Key Features

Rubberized Grip and Improved Weather Sealing

The 40D’s body wasn’t just a reshaped shell—it was a response to years of user feedback. The "rubberier" cover wasn’t a marketing term but a direct quote from shooters who’d endured the slippery, hard plastic of the 20D and 30D. Combined with foam seals on the CF card door, the 40D offered noticeably better resistance to dust and moisture than the 5D, making it a more reliable companion in field conditions. It wasn’t fully sealed like a 1D-series body, but it was a meaningful step up for a mid-tier DSLR.

Three Custom Camera State Memories (C1, C2, C3)

One of the 40D’s underappreciated strengths was its three fully customizable shooting modes—C1, C2, and C3—that stored every camera setting, not just exposure. This allowed photographers to switch instantly between complex configurations: studio lighting, outdoor action, or macro setups, for example. Unlike earlier models that required manual resetting, the 40D let users lock in complete workflows, a feature typically found on higher-end bodies at the time.

3" LCD Screen with Vivid Display

While many DSLRs of the era still shipped with dim, low-resolution screens, the 40D’s 3" LCD was a revelation. Owners consistently praised it as "two or three classes above" the displays in the 30D and even the 5D. Bright, bold, and color-accurate enough for quick review, it made chimping less of a chore and improved confidence in manual focusing and composition. For a time, it set a new standard in the prosumer bracket.

Tabbed Menu System from the 1D Mark III

Canon lifted the 40D’s menu layout directly from the professional-grade 1D Mark III, introducing a tabbed interface that made navigation faster and more intuitive. This was a significant upgrade over the linear menus of the 20D and 30D, reducing the number of button presses needed to change settings. For photographers switching from entry-level models, it felt like stepping into a more serious cockpit.

Historical Context

The 40D was positioned as the successor to the 30D and 20D, continuing Canon’s strategy of iterative refinement in its prosumer DSLR line. As the fifth generation in the series—following the D30, D60, 10D, 20D, and 30D—it bridged the gap between enthusiast and professional use. It was eventually replaced by the Canon 50D, which pushed resolution and processing further. By 2013, some reviewers noted the 40D was "long in the tooth," yet still called it a "formidable camera" for its class—a testament to its enduring design.

Collectibility & Value

As of 2024, the Canon EOS 40D trades for about $100 used on eBay, reflecting its status as a well-built but outdated DSLR. While it lacks modern features like video or live view, it remains functional for still photography and appeals to users seeking a tactile, mechanical shooting experience. Common issues include shutter failure—a known point of wear given its 150,000-cycle rating—and autofocus problems, with some users reporting focus hunting or inconsistent lock, often linked to misalignment. Firmware version 1.1.1 is available, and shutter count can be checked via the camera’s firmware, aiding maintenance. Some units fail to format memory cards or produce soft, out-of-focus images, though these are not universal.