The Professional's Source Since 1973
  • Help
Ask Our Experts800.606.6969
Hello, Log InAccount & Orders
Video Chat with a Pro Video Expert - Live

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens (Sony E, Neutral Flares)

BH #SI40AF133XEN • MFR #40AF133X-EN
Print
Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens (Sony E, Neutral Flares)
Key Features
  • Covers Super 35 | T1.8-T22 Aperture
  • Selectable Manual and Autofocus
  • Neutral Streak Flares
  • Creates 2.35:1 Aspect Ratio in 16:9
Capture cinematic widescreen footage with the aid of an autofocus option using the Sirui Sony E-mount 40mm T1.8 1.33x S35 AF Anamorphic Lens. This innovative prime lens uses an STM motor for fast, accurate autofocus while offering manual focus for more complicated shots handled by a camera assistant/focus puller. It produces neutral flares that are a classic feature of the anamorphic format and has a fast T1.8 maximum aperture lens that is ideal for low-light capture and for creating distinctive bokeh effects.
More Details
New Release
In Stock
No Store Display
Free Expedited Shipping
Express Store Pickup
Protect Your Gear
Add a protection plan from $99.99
Flare Color
Ask an Expert
800.606.6969

Sirui 40mm T1.8 Anamorphic Overview

By B&H Photo's
Manual and Autofocus Anamorphic Prime
Capture cinematic widescreen footage with the aid of an autofocus option using the Sirui Sony E-mount 40mm T1.8 1.33x S35 AF Anamorphic Lens. This innovative prime lens uses an STM motor for fast, accurate autofocus while offering manual focus for more complicated shots handled by a camera assistant/focus puller. It produces neutral flares that are a classic feature of the anamorphic format and has a fast T1.8 maximum aperture lens that is ideal for low-light capture and for creating distinctive bokeh effects.
Super 35 Coverage
  • This anamorphic prime lens has a 1.33x squeeze factor.
  • It produces a widescreen 2.35:1 aspect ratio when shooting in a 16:9 mode.
Manual and Autofocus
  • The autofocus feature now lets you capture anamorphic footage as quickly as when using spherical lenses.
  • Select manual or autofocus using the switch on the lens.
  • Use the AFL button to lock the autofocus or create a custom setting.
High Optical Performance
  • One aspherical and five cylindrical elements contribute to the high optical quality of this lens.
  • Focus breathing and chromatic aberration are well controlled.
  • Supports EXIF metadata transfer and has a USB-C port for firmware upgrading.
Ideal for Low-Light Shooting
  • The maximum T1.8 aperture enables you to capture low-light scenes using lower camera ISO settings.
  • Choose between stepped and stepless aperture settings for smooth exposure adjustments.
  • Sharpness and optical quality are maintained even in night scenes.
Flares and Distinctive Bokeh
  • Shoot with a wide-open aperture to create a distinctive hexagonal bokeh.
  • Stop down to get an oval bokeh that is typical of the anamorphic look.
  • Create notable neutral flares that can be varied using different light sources.
All Around Prime
  • This all-around 40mm lens is ideal for portraits, landscapes, street scenes, and establishing shots.
  • Horizontally equivalent to 42mm in full-frame format.
Compact Cine-Style Form
  • This prime lens features a compact, lightweight design suitable for handheld and gimbal work.
  • Cine-style features include an 80mm front outside diameter, standard 0.8 MOD gears, and wide 360° focus rotation.

Sirui 40mm T1.8 Anamorphic Specs

Key Specs
Focal Length
40mm
Maximum Aperture
T1.8
Lens Mount
Sony E
Lens Format Coverage
Super35/APS-C
Filter Thread
77 mm x 0.75
Image Stabilization
No
Electronic Communication
Yes
Maximum Aperture
T1.8
Minimum Aperture
T22
Lens Mount
Sony E
Interchangeable Mount
No
Horizontal Squeeze (Anamorphic)
1.33x
Flare Color
Neutral
Lens Format Coverage
Super35/APS-C
Image Circle
37.0 mm
Angle of View
Super 35
Horizontal: 55°
Vertical: 25.4°
Optical Design
16 Elements in 12 Groups
Filter Thread
77 mm x 0.75
Minimum Focus Distance
From Unspecified Point in Lens: 1.97' / 60.05 cm
Maximum Magnification Ratio
Not Specified by Manufacturer
Diaphragm Blades
11
Image Stabilization
No
Gear Standard
Focus: 0.8 MOD
Iris: 0.8 MOD
Gear Rotation
Focus: 360°
Electronic Communication
Yes
Camera Connection
10 x Flat Contacts (EXIF) Data
Diameter
Front: 3.1" / 80 mm
Length
Not Specified by Manufacturer
Weight
1.4 lb / 614 g
Packaging Info
Package Weight
3.015 lb
Box Dimensions (LxWxH)
8.3 x 6.1 x 6"

Sirui 40mm T1.8 Anamorphic Reviews

See any errors on this page? Let us know