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LK Samyang / Rokinon AF 24-60mm f/2.8 FE review: A downsized delight with a relatively fast and constant aperture rating

The LK Samyang / Rokinon AF 24-60mm f/2.8 FE is the second collaborative effort with input from Schneider-Kreuznach, putting a different spin on standard zooms for Sony cameras ...

Ex-Post Explained: Understanding Returns, Calculation, and Ex-Ante Comparison

Discover what ex-post means in finance, how it is calculated, and how it differs from ex-ante. Use historical data to better ...