Reflex 300mm F6.3 ED UMC CS
Canon EF-S
Samyang/Rokinon Reflex 300mm F6.3 ED UMC CS

About

This is a cropped frame Canon EF-S mount lens introduced by Samyang/Rokinon 10 years ago. Its focal length is 486mm FFE with an aperture of ƒ/6.3. You can find a review of it on DPReview.

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New
Used
Starting at $79
KEH is American and has slightly higher grading standards, while MPB is originally from the UK. Both are global leaders in used lens trading.