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Spec drill · Min focal

RF 24-70mm f/2.8L IS USM vs 150-500mm f/5-6.7 Di III VC VXD

A side-by-side readout for min focal.

Canon · RF 24-70mm f/2.8L IS USM
24mm
Tamron · 150-500mm f/5-6.7 Di III VC VXD
150mm
▲ Lead
Verdict150-500mm f/5-6.7 Di III VC VXD wins on min focal.
Context

Understanding min focal

Min focal is a numeric spec measured in mm. On this metric, higher values are generally better, but returns diminish past category-typical thresholds — going from a low value to a mid value usually matters far more than going from a mid value to a high one. When comparing two products, focus on the percentage gap rather than the raw delta: a 200-unit lead means something very different at the low end of the range than at the high end. Pay attention to the unit, too — manufacturers sometimes quote peak or burst figures that are not sustained in real-world use. Cross-check the published number against independent measurements where possible, especially for performance and battery claims. Finally, remember that a single spec rarely tells the whole story; the Mars Score weighs min focal together with the rest of the spec sheet so one outlier doesn't distort the verdict.

This matchup150-500mm f/5-6.7 Di III VC VXD's 150mm is roughly 525% higher than RF 24-70mm f/2.8L IS USM's 24mm (a 126mm gap). Whether that gap is noticeable depends on workload — small percentage gaps rarely change day-to-day experience, while gaps of 20% or more usually do.

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Other specs on this comparison

See the full Camera Lenses category for all products ranked by Mars Score.