What lens is better for Pentax k-x SLR camera to shoot people? Thank you beginners.

Cheap items: Pentax M50 1.8 A50 2.0 dal 35 2.4 (full body or bust) dal50-200 dal55-300 (bust)

Sharp articles: Pentax 3 Princess Series da70 2.4 Budweiser 50- 135 f2.8 Sigma 50 1.4(82mm caliber)

Deluxe article: The legendary 80 1.2 has never been used, so it's hard to say.

Personally, I suggest the landlord buy a manual m50 1.8 or dal 35 2.4 if the budget is not enough. If the budget is around 3,000 yuan, we can consider Budweiser and da70. The former can give consideration to macro, while the latter is biscuit portrait, and the portrait is better than the former.