The Canon EF 400mm f/4 IS USM DO is a distinctive super-telephoto lens built for photographers who want reach in a more compact form factor. This lens is in good condition and offers a practical option for wildlife, sports, and distant subject work with Canon EF-mount cameras.

• 400mm Super-Telephoto Reach: Ideal for isolating distant subjects with strong subject separation.
• f/4 Aperture: A bright maximum aperture for a lens of this focal length, helping with light gathering and background blur.
• Image Stabilization: Helps reduce the effects of camera shake when shooting handheld or in challenging light.
• USM Autofocus: Fast, quiet autofocus performance suited to action and wildlife photography.
• EF Mount Compatibility: Designed for Canon EF-mount DSLR systems.
• DO Optics Design: Canon's Diffractive Optics design helps keep the lens more compact than many traditional super-telephoto options.
• Portable Telephoto Handling: A strong choice for photographers who need long reach without carrying an oversized setup.

If you are looking for a capable long lens with a unique design and proven reach, this Canon 400mm is ready to help you capture distant scenes with confidence.

Condition Notes

Lens is in very good condition with normal wear. Exterior shows noticeable use with paint scuffs, a couple knicks in the weather sealing gasket, and it is missing the front cap. The glass is overall in great condition with a couple very small scratches and a little dust under the front element that should not affect image quality. Everything is working as it should.
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