Is the 7artisans m 35mm f 1 7 seagull hard to focus manually?

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From 7Artisans M 35mm f/1.7 Seagull: 7Artisans M 35mm f/1.7 Seagull: A prime lens by 7Artisans for Full frame cameras, 35mm f/1.7. Made with Seagull, in silver only. Specs - Maker: 7Artisans - Focal length: 35mm (prime) - Maximum aperture: f/1.7 - Made for: Full frame sensors - Mounts: Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Leica M): as marked, 35mm. Cameras it fits - Leica M9: Full frame - ...

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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