
220 Chapter 7
The 4:1 Primo Zoom is T2.3 with a focal length
range of 17.5–75mm, maintaining a constant
aperture through all zoom and focus positions. It
has continuous close focusing to macro 1:6 with
a minimum distance of 2½ feet. There is minimal
breathing when focusing at short focal lengths.
When using the optional Primo 1.4x extender
itbecomes a 24.5–105mm, T3.2 lens with a 1:4
macro magnication and a close focusing dis-
tance of 2 feet 10 inches.
11:1 Primo Zoom – SLZ11
Figure 7.226 Panavision 24–275mm 11:1 Primo
Zoom lens.
The 11:1 Primo Zoom is a high contrast ratio,
high-performance zoom. With ...