Is the laowa 15mm f 5 cookie ff hard to focus manually?

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From Laowa 15mm f/5 Cookie FF: Laowa 15mm f/5 Cookie FF: A prime lens by Laowa for Full frame cameras, 15mm f/5. A pancake ultra-wide for full frame. Specs - Maker: Laowa - Focal length: 15mm (prime) - Maximum aperture: f/5 - Made for: Full frame sensors - Mounts: Sony E, Nikon Z, Canon RF, L-Mount, Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Nikon Z, Canon RF, L-Mount, ...

From Buying used: Checking a camera body: - Shutter count. Shutters wear out eventually. Ask for the count, or read it from a test photo's metadata with an online tool where the brand supports it, and compare with the rated life for that model. - The sensor. Take a photo of a plain sky at f/16 and look for dark spots (dust is fixable; scratches are not). - Ports, buttons and dials. Try every button, the card ...

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