Originally posted by neokind . . . . I'd recommend getting the 100mm macro over the 50mm macro, since you already aspire to own a 50mm prime. The 100mm will give you a tele focal length, and gives a 1:1 macro capability. I have that lens as well, and it is easily one of my very favorites. . . .
if the OP is thinking about a macro lens, I agree that the 100mm f2.8 macro is the way to go
it is a great lens, even when not used as macro
it allows you room between the lens and the target if you are trying macro
and best of all, you have different versions to look at which might help the budget -
" The optical design is the tried-and-proven formula of the previous generation
D FA 100mm F2.8 Macro lens, which in turn had inherited the optical design from the well-respected FA 100mm F2.8 and F 100mm F2.8 macro lenses introduced in 1991 and 1987, respectively. None of these earlier lenses had rounded aperture blades.
Read more at:
Pentax-D FA 100mm F2.8 WR Macro Review - Specifications | PentaxForums.com Reviews
you can find reviews of all of the following under " Lenses " above
SMC Pentax-D FA 100mm F2.8 Macro WR
SMC Pentax-D FA 100mm F2.8 Macro [ I have one of these ]
SMC Pentax-FA 100mm F2.8 Macro
SMC Pentax-F 100mm F2.8 Macro