I don't see how anyone could answer this.. it seems impossible to find citations of how a man from the middle ages would perceive a modern pinup model, because it has never and will never (short of time travel) occur.

This thread somewhat answers the more answerable generalized question:

https://www.reddit.com/r/AskHistorians/comments/36vadl/if_i_were_to_show_a_manwoman_of_the_middle_ages_a/