Sigma 28-105mm T3 FF AF Cine Zoom - Lens specs

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28-105mm

Focal length

f/2.8

Max aperture

1500 g

Weight

14mm35mm85mm200mm600mm

▲ 28-105mm

Max aperture

f/1.8

f/2.8

f/5.6

Constant Aperture

Zoom Ratio: 2.9x
Zoom Method: internal

Focal length70 mm

28 mm105 mm

Aperturef/2.8

f/2.8f/21

Near focus11' 9"

Far focus13' 3"

Total DOF1' 6"

Hyperfocal199' 3"

Subject distance12' 5"

Focal length70 mm

Aperturef/2.8

SensorFull Frame

Illustrative scene preview based on this lens's focal length, aperture, and sensor coverage.

This preview uses 70mm, f/2.8, and Full Frame. Subject distance is estimated to keep lens previews comparable.

Min aperture: f/21
Diaphragm blades: 13

Optics

Optical construction: 18 elements in 13 groups
Special elements: XA, ED, Aspherical

Focusing

Minimum focus: 40 cm
Max magnification: 0.32×
AF motor: HLA

Physical

Weight: 1500 g
Dimensions: ⌀95mm × 157.9mm
Filter thread: 82 mm
Color: Black

Handling & Controls

Custom Buttons: 1

Recommended Use

Ideal for: Portraits, Street, Travel, Vlogging, Walkaround / Daily, Weddings

Release year: 2026
Announced: Feb 25, 2026
Approx price: $3339 USD

Summary

The new Sigma 28-105mm T3 FF AF Cine Zoom from Sigma is a full-frame cinematic zoom that combines an extremely versatile focal range with a constant T3 aperture, ensuring uniform exposure throughout. Although it belongs to the cinema line, it inherits the optical DNA of the Art series, prioritizing high sharpness, good contrast and aberration control. Its coverage of 28 to 105 mm allows you to go from wide shots to close portraits without changing lenses, something especially attractive for those looking for efficiency in filming or dynamic sessions. One of its differentiating points is the incorporation of autofocus in a body with ergonomics and cinema standards: toothed rings compatible with follow focus (0.8M), clickless aperture and scales calibrated in T-stops. For a photographer interested in getting into video or hybrid production, this means being able to take advantage of the precision of AF on modern mirrorless cameras without giving up fluid manual controls when a more narrative approach is required. The T3 aperture also offers good capacity in medium light conditions and allows you to maintain a certain background separation in portraits or interviews. In terms of uses, this lens is especially suitable for documentaries, interviews, events, commercial content and corporate productions where versatility is key. For photographers, it may be interesting in hybrid environments where photo and video alternate—for example, weddings, social coverage, or digital content creation—although its design and T-shaped scale clearly orient it toward professional video. In short, it is a tool designed for creators looking for a solid bridge between the world of high optical quality photography and the operational demands of modern cinema.