Irix
150mm f/2.8 MACRO 1:1
(Pentax)
2018-09-24
Yes
599
595
840 gr.
87 x 87 x 135 mm.
KA
Full frame / 1.00x
Macro
No
150-150 mm.
150
1.00x
No
No / n.a.

Aperture

f/2.8
11
No
No
No

Focus

No
Yes
Direct
Yes
focus lock
35 cm.
1.00x

Build

No
12/9
4 high refractive index, 3 extra low dispersion
77 mm.
Yes
Yes