Sigma Introduces 24mm and 90mm I Series Primes

Sigma today revealed two new primes in its I series of lenses offered in L-mount and Sony E-mount, the Sigma 24mm F2 DG DN | Contemporary and 90mm F2.8 DG DN | Contemporary. The new lenses are priced at $639 each and have expected availability later this month.

Sigma 24mm F2 DG DN | Contemporary

The new lenses join the three I series primes introduced last year, the 24mm F3.5 DG DN | Contemporary, 35mm F2 DG DN | Contemporary and 65mm F2 DG DN | Contemporary. Sigma positions these lenses as premium models with compact designs and all-metal bodies, “built to the mechanical and operational standards of Sigma Cine lenses.” Both of the new lenses feature mechanical aperture control rings magnetic metal lens caps.

Sigma 90mm F2.8 DG DN | Contemporary

You can preorder the new lenses (24mm F2 DG DN / 90mm F2.8 DG DN) beginning today at B&H and other online retailers. For additional details, see the press releases below.

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Two stylish primes added to SIGMA I Series
SIGMA 35mm F2 DG DN ｜Contemporary – New
SIGMA 24mm F3.5 DG DN ｜Contemporary
SIGMA 45mm F2.8 DG DN ｜Contemporary
SIGMA 65mm F2 DG DN ｜Contemporary
SIGMA 90mm F2.8 DG DN ｜Contemporary — New

In the era of mirrorless cameras, the balance between performance and size is even more crucial. There is a growing demand for “compact, high-performance, high-quality lenses” and Sigma responds to this call with the introduction of the “I” series of full-frame mirrorless exclusive lenses.

Available for L-Mount and Sony E mount, DG indicates full-frame and DN indicates mirrorless-exclusive de-sign.

The I Series represent a new option: Premium Compact Primes that are stylish in appearance with impressive specifications and optical performance.

Built to the mechanical and operational standards of Sigma Cine lenses, in compact mirrorless form, the I se-ries have outstanding feel and tone in the hand. The feel of the manual focus ring, aperture ring, and switches embody true functional beauty.

Two new I series lenses are being announced:

• 24mm F2 DG DN | Contemporary
• 90mm F2.8 DG DN | Contemporary

The two new lenses join the The 24mm F3.5 DG DN | Contemporary, 35mm F2 DG DN | Contemporary, 45mm F2.8 DG DN | Contemporary, and 65mm F2 DG DN | Contemporary in the I series.

Key I series Lens Features:

• All I Series lenses feature an all-metal body, with high-precision metal internal parts, and a metal hood.
• All I Series lenses feature a manual aperture ring and knurled surfaces for an enjoyable tactile expe-rience.
• The F2 I series lenses have comparable MTF chart optical performance to SIGMA DSLR F1.4 Art lenses
• The 24mm F2, feature a newly-designed arc-type auto/manual focus switch, a dust and splash-resistant ount, a knurled lens hood, and magnetic lens caps, as do the 35mm F2 and 65mm F2.
• The 24mm F3.5 shares 055 filter thread diameter with the 45mm F2.8 DG DN C and the new 90mm F2.8 DG DN C, which makes for a very compact system that can accept the same filters and lens caps*, perfect for travel, adventure, etc where compactness and versatility really matter.

• An optional magnetic cap holder (CH-11) features a mini-carabiner for clipping on to a camera bag, jacket or belt loop, and has a donut-style center hole to easily pop off a cap when it is time to place back on the lens.

*45mm is not compatible with the metallic magnetic caps.

Additional Notes:

• The currently released I series lenses are in the Contemporary line, however there may be potential for Art and Sports lenses to be similarly constructed.
• The I series designation / nickname represents the build characteristics and styling of these new lenses. It is not a new product line alongside Art, Sports and Contemporary.
• Operational Note: Please ensure in-camera optical correction is [ON].
• Operational Note: Please set the electronic front curtain shutter to “OFF” before shooting.

New Product Specifications:

SIGMA 24mm F2 DG DN | Contemporary
Lens Construction: 11 groups, 13 elements (1 FLD, 2 SLD, and 2 aspherical lenses)
Angle of view: 84.1°
Autofocus Motor: STM
No. of Diaphragm Blades: 9 rounded
Min. Focus Distance: 24.5cm
Max. Magnification Ratio: 1:6.7
Filter Size: 62 mm
Dimensions (DxL): L-Mount: φ70mm×72mm
Weight: 365 grams

SIGMA 90mm F2.8 DG DN | Contemporary
Lens Construction: 11 elements in 10 groups, with 5 SLD and 1 aspherical lens elements
Angle of view: 27.0°
Autofocus Motor: STM
No. of Diaphragm Blades: 9 rounded
Min. Focus Distance: 50cm
Max. Magnification Ratio: 1:5
Filter Size: 55mm
Dimensions (DxL): L-Mount: φ64mm×59.7mm
Weight: 295g

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