[FLEON]

Anyone used this lens? Someone told me it is the best standard lens of Pentax and obviously it is very expensive as used lens...even more than a new FA50mm 1.4. Really like to know how is it compare to FA50mm 1.4 or the cheaper F50mm 1.7. Thanks.

[aegisphan]

https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/22185-what-s-5...igh-price.html

In short, it's more of the rarity premium than the actual optical performance. People, who are selling these lenses at premium price, usually point out the 4.6 photodo score of this lens compared to the 4.2 score of the FA50, which is probably due to sample variant.