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What’s Inside A Canon Lens? Here Is A Full RF 28mm f/2.8 STM Teardown

RF 28mm F/2.8

That’s a truly interesting video we are featuring here today. The teardown of the recently released Canon RF 28mm f/2.8 STM pancake lens.

RF 28mm f/2.8 STM at a glance ($299):

  • Full-Frame | f/2.8 to f/22
  • Classic Wide-Angle Prime
  • Gear-Type STM AF Motor
  • Super Spectra Coating
  • Three Aspherical Elements
  • Customizable Control Ring
  • AF/MF Control Switch
  • Full-Time Manual Focus Capability
  • Rounded 7-Blade Diaphragm

Gordon Laing got the unique chance by Canon itself to tear down their recently released RF 28mm f/2.8 STM lens. Says Mr. Laing:

Find out what’s inside one of Canon’s latest lenses in this teardown! In a rare behind the scenes opportunity, Canon invited me to film the disassembly of a brand new lens and explain what’s behind each of the major parts. If you’re interested in how lenses work and modern optical design, you’ll enjoy this video even if you own a different system! Filmed in 4k with a pair of Canon EOS R6 II bodies, fitted with RF 70-200 f4L and RF 100mm f2.8L Macro lenses.

And here is the teardown video.Enjoy.

Canon RF 28mm f/2.8 STM:

America: B&H Photo, Amazon USA, Amazon Canada, Canon Canada, Canon USA
Europe & UK: Amazon DE, Amazon UK, Amazon IT, Canon IT, WEX Photographic, Canon FR, Canon UK, Canon DE

We featured other lens and camera teardowns in the past, they are listed here.

Compact, lightweight, and close-focusing, the Canon RF 28mm f/2.8 STM is an exceptionally lightweight and affordable pancake-style lens for full-frame cameras. This classic wide-angle lens is excellent for travel, street photography, and video and is a great entry point for full frame RF-mount cameras. An ideal lens for every day, walkaround shooting, this 28mm f/2.8 is characterized by its bright design for available light shooting and apt depth of field control.

Lightweight and affordable pancake wide-angle prime lens is designed for use with full-frame Canon RF-mount mirrorless digital cameras

Everyday 28mm coverage for stills and video with full-frame cameras with an equivalent to approx. 45mm coverage when used on cameras with APS-C size image sensors

Bright f/2.8 maximum aperture suits working available lighting conditions, helps control depth of field, and contributes to the sleek form factor

Three aspherical elements help control distortion and promote a high degree of sharpness. Super Spectra Coating minimizes flare and ghosting for improved contrast and color fidelity when working in strong lighting conditions

A gear-type STM motor offers fast, quiet, smooth, and accurate autofocus performance that is ideal for video recording as well as still shooting

Minimum focusing distance of 9.1″, along with a maximum magnification of 0.17x, makes this a unique option for close-up shooting while retaining great depth of field

Configurable Control Ring can be used to adjust a variety of exposure settings, including aperture, ISO, and exposure compensation

Seven-blade diaphragm contributes to a pleasing bokeh quality

Separately available EW-55 threaded lens hood

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