Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO vs Panasonic Leica DG Vario-Summilux 25-50mm F1.7 Asph.

Pick the Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO if

• You need more reach: 150mm vs 50mm at the long end
• You want bigger close-ups: 0.21× vs 0.14× maximum magnification
• Our notes say it suits: Sports and wildlife, portraits at distance, events and weddings

Pick the Panasonic Leica DG Vario-Summilux 25-50mm F1.7 Asph. if

• You need 1½ stops more light for low light or background blur (f/1.7 vs f/2.8)
• You want the lighter lens to carry: 226 g lighter (654 g vs 880 g)
• You want a wider view: 25mm vs 40mm at the wide end
• You shoot close-ups: it focuses down to 0.28 m vs 0.7 m
• You want a compact lens: 127.6 mm vs 160 mm long

Our notes

Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO

A weather-sealed 80-300mm-equivalent telephoto zoom for Micro Four Thirds with a constant f/2.8 aperture. It weighs about 880 g, takes 72mm filters and supports Olympus teleconverters.

Pros

• Constant f/2.8
• Weather-sealed build
• Teleconverter support
• Manual-focus clutch

Cons

• Not stabilized itself
• Heavier than other MFT lenses

Our notes

Panasonic Leica DG Vario-Summilux 25-50mm F1.7 Asph.