Best Pick

Sigma 300-600mm f/4 DG OS Sports

87.2 Professional Score
300-600mmf/4L-MountISWeather Sealed
Why we recommend this

A constant f/4 aperture across a 300-600mm zoom range provides consistent light gathering and subject isolation that competing super-telephotos typically sacrifice. The optical design prioritizes portraiture and distant subject compression, achieving a 45.5/100 portrait score despite lacking stabilization and weather sealing. This lens suits portrait and sports photographers who can rely on a monopod or high shutter speeds and don't require sealed construction.

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Great Alternatives

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Leica Summicron-SL 50mm f/2 ASPH.

56.4 Professional Score
50mmf/2L-MountWeather Sealed
Why we recommend this ▼

The 12-element optical design with three aspherical elements delivers apochromatic correction for exceptional sharpness and contrast across the full-frame image circle. Its fast, near-silent Dual Syncro Drive autofocus pairs with a weather-sealed, AquaDura-coated brass barrel built to "Made in Germany" standards for reliable field use. This 50mm f/2 prime is best for portrait photographers who demand reference-grade rendering and robust build quality over lightweight travel convenience.

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