on apsc I used Sigma 70-300 / 4-5.6 APO DG Macro, then Pentax smc F 70-210 / 4-5.6, Pentax DA 55-300 / 4-5,8 ED, now on ff I use Pentax FA 80-320 / 4,5-5,6 silver version,
my recommendation for use on ff is Pentax FA 80-320 / 4,5-5,6 silver version if
Pentax DFA70-200 / 2.8 ED DC AW is not considered, to me is not clear why in the Pentax lens reviews, there is no particular review for Pentax FA 80-320 / 4,5-5,6 black (gray) and especially review for silver version, some differences certainly exist
some of my "attempts" may be helpful - some examples with the Pentax FA 80-320 / 4,5-5,6 silver version on the K1
Last edited by mbukal; 11-23-2019 at 11:20 AM.