Best budget lens for the leica tl?

Here is what the site says about that.

From Leica TL: Leica TL: A mirrorless camera by Leica with a 16-megapixel APS-C sensor, announced in 2016. An updated T with the same 16-megapixel sensor. Specs - Maker: Leica - Mount: L-Mount - Sensor: APS-C, 23.5 x 15.6mm, crop factor 1.5 - Resolution: 16 megapixels - Stabilisation: none in the body; use stabilised lenses for slow shutter speeds - Announced: 2016 - Type: mirrorless camera Focal lengths on it Lenses frame like 1.5 times ...

From Leica Summicron-TL 23mm f/2 ASPH: Leica Summicron-TL 23mm f/2 ASPH: A prime lens by Leica for APS-C cameras, 23mm f/2. A 35mm-equivalent everyday lens.

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