Sigma 50-120mm f/2.8 DC OS Contemporary

Sigma · 50–120 mm · f/2.8 · Contemporary · Image Stabilization

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General
Brand	Sigma
Release Year	2026
Pro Branding ⓘ Specific branding codes used for professional-tier lenses.	Contemporary
Lens Mount ⓘ The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.	Sony E
System ⓘ Indicates which camera system the lens is designed to attach to.	Sony E
Maximum Format ⓘ Largest sensor size compatible with the lens.	APS-C
Physical
Lens Weight	390 g
Lens Diameter ⓘ Width of the lens at its widest point	66.8 mm
Lens Length ⓘ How long the lens is from front to back.	99 mm
Front Filter Compatible ⓘ Some lenses are compatible with front filters, some are compatible with back filters and some are compatible with both. Front filters are usually more convenient to add and remove.	Yes
Front Filter Size ⓘ Diameter of attachable filters.	55 mm
Optics
Focal Range ⓘ Shortest to longest focal length of the lens (zoom range start - end )	50–120 mm
Aperture Range ⓘ Largest aperture at the lens's shortest focal length to longest focal length (aperture range start - end)	2.8
Focal Length Angle of View	31.7°–13.5°
Flange Focal Distance ⓘ Distance from lens mount to sensor.	18 mm
Diaphragm Type ⓘ Structure and design of the aperture	Automatic
Blades ⓘ Number of diaphragm blades in aperture	11020
Zoom Lens ⓘ Zoom allows you to vary the focal length, change between long shots and close-ups	Yes
Zoom Mechanism ⓘ System enabling zoom function	Manual
Zoom Ring ⓘ If zooming is adjusted using a zoom ring	Yes
Zoom Type ⓘ The design or approach to zooming	Rotary
Closest Focusing Distance ⓘ Minimum distance for a subject to be in focus.	23 cm01500
Maximum Magnification ⓘ Largest size a subject can be reproduced	0.33x
Autofocus Mode	Yes
Manual Mode	Yes
Manual Focusing Ring	Yes
Features
Weather Sealing ⓘ Weather sealing capabilities will give you more confidence when shooting in unfavourable conditions.	Yes
Built In Lens Hood	No
Lens Hood Type	Round
Zoom Lock ⓘ Zoom lock allows the zoom ring to be locked at the desired focal length	No
Image Stabilization	Yes
Construction
Elements ⓘ Lens elements refer to individual pieces of glass within the lens.	18
Groups	13
Aspherical Elements ⓘ The number of aspherical lens elements which can help correct aberrations such as spherical aberration.	4
Low Dispersion ⓘ Elements that reduce chromatic aberration	3