SPECIFICATION:

Zoom Ratio – 5X
T-Stop Range – T3.1-22
Close Focus from Lens Front – 2’4”
Lens Font Diameter – 144mm
Weight – 11.5 lbs

SPECIFICATIONS

•  25 – 250mm   T4   cf 5’6″
•  121mm Front Diameter
•  PL Mount
•  Legendary Vintage Lens

Unfortunately, it is not usable in 6K with the RED Dragon or 8K RED Helium etc, because it blurs at all lense lengths.