The short verdict
Scores pending
We haven’t scored these yet. Use the measured differences and full specs below.
ECM-W3—
FE 400mm F4.5 GM OSS—
Key differences
Measured differences only. Ties and tiny gaps are left out.Full specs
Side-by-side specifications
Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.
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