Best budget lens for the canon eos 5ds r?

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From Canon EOS 5DS R: Canon EOS 5DS R: A DSLR by Canon with a 50.6-megapixel full frame sensor, announced in 2015. The 5DS with its anti-aliasing effect cancelled, for slightly more detail. Specs - Maker: Canon - Mount: Canon EF - Sensor: Full frame, 36 x 24mm, crop factor 1.0 - Resolution: 50.6 megapixels - Stabilisation: none in the body; use stabilised lenses for slow shutter speeds - Announced: 2015 - Type: DSLR Focal lengths on it Full ...

From Canon EOS 5DS: Canon EOS 5DS: A DSLR by Canon with a 50.6-megapixel full frame sensor, announced in 2015. A 50MP landscape and studio body.

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