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Sirui 50mm T2.9 Full Frame 1.6x Anamorphic Lens (Leica L)

BH #SIFFEK6L • MFR #FFEK6-L
Key Features
  • Covers Full-Frame Sensor
  • Aperture Range: T2.9 to T16
  • 2.4:1 & 2.8:1 De-Squeezed
  • Blue Streak Effects
The Leica L-mount 50mm T2.9 Anamorphic 1.6x Lens, from Sirui, is designed for filling a theater screen with rich detail, cinematic bokeh, and artistic lens flairs. One of the signature features of this lens is that it produces horizontal blue streaks when pointed at a light source, giving your footage a dreamy or science fiction aesthetic. On full-frame cameras, this lens increases the horizontal angle of view by 60%, equivalent to a wider 31mm spherical lens, and it enables the camera to see well to the left and right of your subject. An image captured in 16:9 is de-squeezed to an anamorphic 2.8:1 aspect ratio, whereas shooting in 3:2 yields a 2.4:1 final image.
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Sirui 50mm T2.9 Anamorphic FF Overview

By B&H Photo's

The Leica L-mount 50mm T2.9 Anamorphic 1.6x Lens, from Sirui, is designed for filling a theater screen with rich detail, cinematic bokeh, and artistic lens flairs. One of the signature features of this lens is that it produces horizontal blue streaks when pointed at a light source, giving your footage a dreamy or science fiction aesthetic. On full-frame cameras, this lens increases the horizontal angle of view by 60%, equivalent to a wider 31mm spherical lens, and it enables the camera to see well to the left and right of your subject. An image captured in 16:9 is de-squeezed to an anamorphic 2.8:1 aspect ratio, whereas shooting in 3:2 yields a 2.4:1 final image.

A key aspect of anamorphic lenses is oval bokeh, which can gently distort objects and lights in the distance, providing an abstract background for your actors. Its T2.9 aperture produces a shallow depth of field, blurring everything in front or behind the specifically chosen focal plane. It features female 1/4"-20 threading for mounting versatility, and its focus and aperture rings are geared for use with a follow focus system.

Features
  • Robust lens with advanced optics for full frame cameras
  • Anamorphic design provides a 60% horizontal field of view increase over standard 50mm spherical lenses
  • Anamorphic 2.8:1 de-squeezed format from a 16:9 capture setting
  • German Schott optical glass
  • Super spectra coating
  • Horizontal blue streak effects
  • Ten aperture blades produce oval bokeh
  • 2.5' minimum focusing distance
  • 16 elements in 13 groups
  • M82 x 0.75 filter thread
  • Durable aluminum alloy lens housing

Sirui 50mm T2.9 Anamorphic FF Specs

Focal Length
50mm
Lens Mount
Leica L
Lens Format Coverage
Full Frame
Maximum Aperture
T2.9
Minimum Aperture
T16
Minimum Focus Distance
From Unspecified Point in Lens: 2.46' / 0.75 m
Optical Design
16 Elements in 13 Groups
Diaphragm Blades
10
Gear MOD & Pitch
Focus: 0.8 MOD / 32 Pitch
Iris: 0.8 MOD / 32 Pitch
Front Diameter
82 mm
Filter Thread
82 mm x 0.75
Focus Scales
Metric, Imperial
Focus Rotation
95.5°
Horizontal Squeeze (Anamorphic)
1.6x
Maximum Magnification Ratio
1:20.42
Image Stabilization
No
Dimensions (W x H)
3.5 x 5.5" / 88 x 140 mm
Weight
2.3 lb / 1048.6 g
Packaging Info
Package Weight
3.335 lb
Box Dimensions (LxWxH)
8.2 x 5.4 x 5.1"

Sirui 50mm T2.9 Anamorphic FF Reviews

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Is Sirui 50mm T2.9 Full Frame 1.6x Anamorphic ...

Is Sirui 50mm T2.9 Full Frame 1.6x Anamorphic Lens (Leica L) compatible with panasonic lumix Bgh1?
Asked by: Bao
No, the Panasonic BGH1 uses a Micro Four Thirds mount.
Answered by: Peterm
Date published: 2022-08-04

Is Sirui 50mm T2.9 Full Frame 1.6x Anamorphic ...

Is Sirui 50mm T2.9 Full Frame 1.6x Anamorphic Lens (Leica L) compatible with panasonic Bgh1?
Asked by: Bao
No, the Panasonic BGH1 uses a Micro Four Thirds mount.
Answered by: Peterm
Date published: 2022-08-04

Is there a similar lens for the CanonC70 which ...

Is there a similar lens for the CanonC70 which has 35mm sensor and not full ?
Asked by: Samir
There are Vazen Anamorphic Lenses: https://www.bhphotovideo.com/c/products/Shop-by-Brand-Vazen/ci/4/phd/6997/N/4294255798?filters=fct_mount-type_2380%3Acanon-rf-mount
Answered by: Nicholas
Date published: 2022-04-24

Is this lens adaptable to EF?

Is this lens adaptable to EF?
Asked by: BAIRN
No, unfortunately, the Sirui 50mm T2.9 Full Frame 1.6x Anamorphic Lens (Sony E), cannot be adapted or modified for use with an EF mount. Mirrorless lens must be closer to the sensor, and no adapter would be able to compensate.
Answered by: ericsc
Date published: 2022-04-10

What ND filter do you recommend for this one??

What ND filter do you recommend for this one??
Asked by: paula
An 82mm threaded ND filter, such as the Tiffen 82mm Variable Neutral Density Filter is recommended for use with the Sirui 50mm T2.9 Full Frame 1.6x Anamorphic Lens.
Answered by: ericsc
Date published: 2022-04-03

What's the outer diameter of this lens for ...

What's the outer diameter of this lens for mattebox use?
Asked by: Fabian
The Sirui 50mm T2.9 Full Frame 1.6x Anamorphic Lens (Sony E) lists a max diameter of 88mm.
Answered by: Richard
Date published: 2022-06-16

What is the image circle?

What is the image circle?
Asked by: Zak
The Sirui 50mm T2.9 Full Frame 1.6x Anamorphic Lens (Sony E) in order to say it is full frame, it must have an image circle of 43.4mm.
Answered by: Dennis L
Date published: 2022-02-21

What size ND filters go this sirui 50mm lens?

What size ND filters go this sirui 50mm lens?
Asked by: Brien
The Sirui 50mm T2.9 Full Frame 1.6x Anamorphic Lens (Canon RF) (B&H# SIFFEK6R) takes 82mm size filters.
Answered by: Yoni
Date published: 2022-02-17
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