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The Sigma DG DN I Contemporary I series is a collection of high-quality lenses designed specifically for use with mirrorless cameras. These lenses are designed to provide exceptional performance and versatility.

The I series features a variety of focal lengths, including 20mm, 24mm, 35mm, 45mm, 65mm, and 90mm, each with a fast maximum aperture. This makes them ideal for low-light shooting and creating beautiful, shallow depth-of-field effects. The lenses are also designed to be compact and lightweight, making them easy to carry and use on the go.

The DG DN designation indicates that these lenses are designed for full-frame mirrorless cameras, while the Contemporary designation means that they are part of Sigma's lineup of high-quality lenses that are designed for everyday use. As a result, these lenses offer exceptional image quality and reliability, whether you're shooting portraits, landscapes, or anything in between.

Overall, the Sigma DG DN I Contemporary I series lenses are an excellent choice for filmmakers who want exceptional image quality, versatility, and portability. With their fast apertures, compact size, and exceptional performance, these lenses are sure to be a valuable addition to any mirrorless camera setup.

The Sigma DG DN I Contemporary I series is a collection of high-quality lenses designed specifically for use with mirrorless cameras. Here are some of the features that make these lenses stand out:

• Wide range of focal lengths: The I series includes a range of focal lengths, including 20mm, 24mm, 35mm, 45mm, 65mm, and 90mm. This allows photographers to choose the perfect lens for their specific needs, whether they are shooting landscapes, portraits, or anything in between.
• Fast maximum aperture: Each lens in the I series features a fast maximum aperture, which allows for excellent low-light performance and the ability to achieve shallow depth-of-field effects.
• Compact and lightweight design: The I series lenses are designed to be compact and lightweight, making them easy to carry and use on the go. This is especially important for mirrorless cameras, which are often chosen for their portability.
• High-quality optics: The I series lenses feature high-quality optics that deliver exceptional image quality. This includes advanced coatings to reduce flare and ghosting, as well as aspherical and low-dispersion elements to minimize distortion and chromatic aberration.
• Weather-resistant construction: Many of the I series lenses are designed with weather-resistant construction, which helps to protect them from dust and moisture. This makes them a great choice for outdoor photography in challenging conditions.

Sigma 20mm F2.0 - Sony E

Compatible Mount: Sony E

Lens construction: 11 groups, 13 elements 

Angle of view: 94.5°

Number of diaphragm blades: 9 (rounded diaphragm)

Minimum aperture: F22

Minimum focusing distance: 22cm

Maximum magnification ratio: 1:6.7

Filter size: φ62mm

Dimensions (max diameter x length): φ70mm x 72.4mm

Weight: 370g

Sigma 24mm F/2 DG DN I C- E Mount

Lens Mount: Sony E Mount

Dimensions: 70mm × 74mm / 2.8in. × 2.9in.

Weight: 360g

Lens Construction: 13 elements in 11 groups

Angle of View: 84.1°

Number of Diaphragm Blades: 9(Rounded diaphragm)

Minimum Aperture: F22

Minimum Focusing Distance: 24.5cm / 9.7in.

Maximum Magnification Ratio: 1:6.7

Filter size: φ62mm

Sigma 35mm F2.0 - Sony E

Compatible Mount: Sony E Mount

Lens Construction: 10 elements in 9 groups

Number of Diaphragm Blades: 9 (round)

Minimum Aperture: F22

Minimum Focusing Distance: 27cm

Maximum Magnification Ratio: 1:5.7

Filter Size: φ58mm

Dimensions: φ70mm x 67.4mm

Weight: 325g

Simple Dust-and-Splash-Proof Mechanism: Mount with rubber sealing

Aperture Ring: Supported

Lens Optical Correction: Supported

Accessories: Knurled Metal Hood, Metal Cap

Sigma 45mm F2.8 DG DN - Sony E

Lens Mount: Sony E Mount

Lens Construction: 8 elements in 7 groups

Angle of view (35mm): 51.3°

Number of diaphragm blades: 7 (rounded diaphragm)

Minimum aperture: F22

Minimum focusing distance: 24cm / 9.4in

Maximum magnification ratio: 1:4

Filter size: φ55mm

Dimensions (diameter x length): φ64.0 x 46.2mm / φ2.5 x 1.8in

Weight: 215g / 7.5oz.

Sigma 65mm F2.0 - Sony E

Compatible Mount:                                        Sony E

Lens Construction:                                        12 elements in 9 groups

Number of Diaphragm Blades:                      9 (round)

Minimum Aperture:                                        F22

Minimum Focusing Distance:                        55cm

Maximum Magnification Ratio:                      1:6.8

Filter Size:                                                     φ62mm

Dimensions:                                                  φ72mm x 74.7mm

Weight: 405g

Simple Dust-and-Splash-Proof Mechanism: Mount with Rubber Sealing

Aperture Ring:                                               Supported

Lens Optical Correction:                                Supported

Accessories:                                                  Knurled Metal Hood, Metal Cap

Sigma 90mm F/2.8 DG DN I C- E Mount

Lens Mount: Sony E Mount

Dimensions: 64mm × 61.7mm / 2.5in. × 2.4in

Weight: 295g

Lens Construction: 11 elements in 10 groups

Angle of View: 27.0°

Number of Diaphragm Blades: 9(Rounded diaphragm)

Minimum Aperture: F22

Minimum Focusing Distance: 50cm / 19.7in.

Maximum Magnification Ratio: 1:5

Filter size: φ55mm