Is the pentax hd fa 43mm f 1 9 limited good for street photography?

Here is what the site says about that.

From Pentax HD FA 43mm f/1.9 Limited: Pentax HD FA 43mm f/1.9 Limited: A prime lens by Pentax for Full frame cameras, 43mm f/1.9. Same optics as the earlier smc FA 43mm Limited. Specs - Maker: Pentax - Focal length: 43mm (prime) - Maximum aperture: f/1.9 - Made for: Full frame sensors - Mounts: Pentax K - Stabilised: no - Autofocus: yes What it frames like - On full frame (Pentax K): as marked, 43mm. - On APS-C (Pentax K): like 64mm on ...

From Street: Street: Street photography rewards a camera people don't notice and one you can shoot without thinking. Small and quiet beats megapixels every time.

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