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Sirui 1.25x Anamorphic Adapter

BH #SIADP125X • MFR #ADP125X
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Sirui 1.25x Anamorphic Adapter
Key Features
  • 1.25x Anamorphic Squeeze Adapter
  • For up to 85mm Front Diameter Lenses
  • Mounts on Lenses with 82mm Front Thread
  • Creates 16:9 Images on 4:3 Sensors
The Sirui 1.25x Anamorphic Adapter enables you to convert any spherical lens into an anamorphic or increase the squeeze ratio of an existing anamorphic lens. Use it to create a 1.25x anamorphic effect with a spherical lens or a 2x squeeze with a 1.6x anamorphic lens. This lightweight and compact adapter mounts on lenses via a rear 82mm thread and can be adapted using the included 92mm step-up, or 67, 72, and 77mm step-down rings.
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Sirui ADP125X Overview

The Sirui 1.25x Anamorphic Adapter enables you to convert any spherical lens into an anamorphic or increase the squeeze ratio of an existing anamorphic lens. Use it to create a 1.25x anamorphic effect with a spherical lens or a 2x squeeze with a 1.6x anamorphic lens. This lightweight and compact adapter mounts on lenses via a rear 82mm thread and can be adapted using the included 92mm step-up, or 67, 72, and 77mm step-down rings.

For Spherical and Anamorphic Lenses
  • Turns almost any spherical lens into an anamorphic or increases the squeeze ratio of an anamorphic lens.
  • Creates a 1.25x squeeze on spherical lenses.
2x Squeeze with 1.6x Lenses
  • Creates a super-wide 2x squeeze when used with a 1.6x anamorphic lens.
  • Increases anamorphic effects and enables reframing.
16:9 Aspect Ratio from 4:3
  • Creates a 16:9 aspect ratio when used with 4:3-sensor cameras.
  • Creates a 20:9 aspect ratio when used with spherical lenses in 16:9.
Wide Compatibility
  • Mounts via an 82mm rear thread and can be used with the included 92mm step-up and 67, 72, and 77mm step-down rings.

Sirui ADP125X Specs

General
Compatibility
Sirui 1.6x FF Anamorphic Lens 75, 100, 135mm Full Frame
Sirui 1.6x FF Anamorphic Lens 35, 50mm S35
Sirui 1.33x Series Anamorphic Lens 50, 75 APS-C
Sirui 1.33x Series Anamorphic Lens 24, 35mm M4/3
Sirui Jupiter FF Prime Cine Lens 50mm Full Frame
Sirui Jupiter FF Prime Cine Lens 35mm S35
Spherical Lenses 42-135mm Full Frame
Spherical Lenses 28-135mm APS-C
Spherical Lenses 24-135mm M4/3
Anamorphic Ratio
1.25x
Maximum Aperture
T2.9
Minimum Focus Distance
31.5" / 80 cm
Front Diameter
3.3" / 85 mm
Maximum Diameter
3.5" / 89.6 mm
Physical
Mounting
1x 82 mm 0.75 Rear Thread
Color
Black
Dimensions
3.5 x 2.3" / 89.6 x 58.5 mm
Weight
1.4 lb / 650 g
Packaging Info
Package Weight
2.04 lb
Box Dimensions (LxWxH)
5.4 x 5.3 x 4"

Sirui ADP125X Reviews

Amazing bang for buck

By Josh
Rated 5 out of 5
Date: 2025-11-17

Really nice piece of gear for this price.

Well built adapter for the price

By Luca
Rated 5 out of 5
Date: 2024-07-10

This is a great, well built adapter for anyone wanting to experiment with anamorphic filmmaking and not spend a ton of money on multiple lenses.

See any errors on this page?

How well would this work with Rokinon cine lenses ...

How well would this work with Rokinon cine lenses (EF) on a BMPCC 6k?
Asked by: David
The Sirui 1.25x Anamorphic Adapter can work with lenses up to 85mm Front Diameter Lenses. Depending on the Rokinon lens you are working with it should have a 77 or 72mm front thread that you can connect to. Using the included step rings should allow you to attach the Sirui 1.25x Anamorphic Adapter to your lens. The adapter includes the following step rings. 92mm Step-Up Ring 67mm Step-Down Ring 72mm Step-Down Ring* 77mm Step-Down Ring*
Answered by: Chris H
Date published: 2024-03-21

Does this adapter come with rings to attach to ...

Does this adapter come with rings to attach to the Saturn lenses?
Asked by: David
The Sirui 1.25x Anamorphic Adapter comes with the following adapter rings: 92mm Step-Up Ring 67mm Step-Down Ring 72mm Step-Down Ring 77mm Step-Down Ring
Answered by: John W
Date published: 2025-03-25

How well would this adapter work on gfx sensor ...

How well would this adapter work on gfx sensor cameras? Any strong vignette or something?
Asked by: Dan
The Sirui 1.25x Anamorphic Adapter will work on GFX sensors.
Answered by: Jonathan S
Date published: 2023-12-11

What is the smallest filter size recommended? Is ...

What is the smallest filter size recommended? Is a 62mm filter size lens on MFT too small for good results?
Asked by: Lee
With the Sirui 1.25x Anamorphic Adapter, a filter smaller than the front filter thread size of 82mm is not recommended.
Answered by: Dennis L
Date published: 2025-08-23

Can a step up ring be used to use the adapter on ...

Can a step up ring be used to use the adapter on a lens with a filter diameter much smaller than 82mm, like a lens with a 49 or 55mm filter diameter? Would it be fine to use one step up ring or should multiple be used? Will this affect the anamorphic effect at all?
Asked by: Andres
I used a single 82-52 step down and it did not work as the rear of the adapter contacted the step down ring and damaged both. Use multiple steps to ensure the rear of the adapter will not engage with the rings or with the lens surface.
Answered by: Kieran
Date published: 2025-11-30

Hi there! What's the front filter-thread diameter ...

Hi there! What's the front filter-thread diameter of the Sirui 1.25x anamorphic adapter?
Asked by: Ankit
The front filter thread size is 82mm on the Sirui ADP125X.
Answered by: Peterm
Date published: 2023-03-03

Is this compatible with the Sirui 1.33x ...

Is this compatible with the Sirui 1.33x anamorphic lenses?
Asked by: Alex
The following lens types are compatible with The Sirui 1.25x Anamorphic Adapter: Sirui 1.6x FF Anamorphic Lens 75, 100, 135mm Full Frame Sirui 1.6x FF Anamorphic Lens 35, 50mm S35 Sirui 1.33x Series Anamorphic Lens 50, 75 APS-C Sirui 1.33x Series Anamorphic Lens 24, 35mm M4/3 Sirui Jupiter FF Prime Cine Lens 50mm Full Frame Sirui Jupiter FF Prime Cine Lens 35mm S35 Spherical Lenses 42-135mm Full Frame Spherical Lenses 28-135mm APS-C Spherical Lenses 24-135mm M4/3
Answered by: ericsc
Date published: 2023-10-27

is this compatible/will it work on a Panasonic GH7

is this compatible/will it work on a Panasonic GH7 using the 10-25mm f/1.7 lens?
Asked by: john
Yes, the Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. Lens can be used with the Sirui 1.25x Anamorphic Adapter although its intention is to be used with 1.6x anamorphic lenses.
Answered by: Jonathan S
Date published: 2026-04-12
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