150mm Arri Signature Prime
The 150mm ARRI Signature Prime T1.8 is a long telephoto lens that delivers stunning optical performance with remarkable subject isolation and smooth, natural compression—perfect for close-ups, portraits, and selective framing in cinematic storytelling. Optimized for large-format sensors, it produces crystal-clear images with minimal distortion and high resolution across the frame. Its bright T1.8 aperture allows for exceptional low-light performance and refined depth-of-field control. Featuring the ARRI LPL LDS-2 mount, the lens supports LDS-1 and Cooke /i Technology, ensuring seamless metadata capture in professional production environments.
With a standard 114mm front diameter, the 150mm Signature Prime is compatible with industry-standard matte boxes and accessories. The 11-blade iris produces soft, circular bokeh, adding a cinematic feel to out-of-focus areas. Its wide T1.8 to T22 aperture range gives filmmakers the versatility to achieve creative and technical precision across diverse lighting conditions.
Focal Length
150 mm
S35 Equ. Focal
| Alexa LF 16:9 to | |||
| Signature Prime | Alexa 2.8k (mm) | Alexa 3.2k (mm) | Alexa 3.4k (mm) |
| 150mm | 113 | 124 | 133 |
| Conversion Factor | 1.33x | 1.21x | 1.12x |
| Alexa LF Open Gate to |
|||
| Signature Prime | Alexa 2.8k (mm) | Alexa 3.2k (mm) | Alexa 3.4k (mm) |
| 150mm | 97 | 107 | 115 |
| Conversion Factor | 1.54x | 1.40x | 1.30x |
Angle of View
13.9° / 9.7° / 16.9° (*H-V-D for LF Open Gate)
Close Focus
1.5 m / 5′
Front Diameter
114 mm
Image Circle
44.7 mm
Lens Mount
LPL
Length
178 mm / 7.01″
Weight
2.0 kg / 4.4 lb
