The earliest records of known eyeglasses to us dates back to 13-14th century.
Spyglasses and other 'observatory aids' probably date to *roughly* somewhere medieval (without searching for it that's my guess atleast)
'Course, those wouldn't be anywhere near as sophisticated or good as today's, but they would serve a purpose and be good enough for that purpose.
@Qelix
Adventurer identification papers varies extensively from novel to novel. Some are this, some even more simple, some are blood-related , some are magically enchanted etc.
@Talismaster Yeah but technically he didn't really know her. He knocked the other two people out and he could of just done the same to her but instead he was just like let's just have sex with her. Well it still got the job done I guess