Irix 150mm f/2.8 MACRO 1:1 (Pentax)

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

Aperture

2.80
11
No
No

Focus

No
Yes
Direct
Yes
focus lock
35
1.00

Build

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