Tag: diffractive optics

  • Review: Canon RF 800mm f/11 IS STM

    Review: Canon RF 800mm f/11 IS STM

    I’ve been reviewing a lot of Canon’s interesting light weight consumer-grade optics as of late, and continues with today’s review of the Canon RF 800mm f/11 IS STM. The 800mm f/11 was announced alongside the similar 600mm f/11 lens, providing super-telephoto reach with a slow aperture and an affordable price. Like many of Canon’s lower…

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