New Sigma I Series Lenses For Full-Frame Mirrorless

Sigma introduced three new lenses for full-frame mirrorless cameras in its Sigma I series. Offered in the Leica/Panasonic/Sigma L-Mount as well as Sony E-Mount, Sigma positions these as premium lenses with “exceptional optical performance and stylish, compact design.”

The three new lenses in the Sigma I series are the 24mm F3.5 DG DN | Contemporary, 35mm F2 DG DN | Contemporary and 65mm F2 DG DN | Contemporary. They join the existing 45mm F2.8 DG DN | Contemporary. All of these lenses have an all-metal body as well as metal internal components, a manual aperture ring and an AF/Manual focus mode switch.

The 24mm F3.5 DG DN | Contemporary has a minimum focusing distance of 4.3 inches and magnification of 0.5x, so while it’s not a true macro lens, it is capable of very close focusing for wide compositions with prominent foreground subjects. It’s a very compact lens with the L-Mount version measuring 2.5 inches in diameter and 1.9 inches in length. (The E-Mount versions of all three lenses are 0.1 inches longer than the L-Mount.) List price: $549.

The 35mm F2 DG DN | Contemporary offers a minimum focusing distance of 10.6 inches and a magnification ratio of 1:5.7. It measures 2.8 inches and diameter and 2.6 inches in length (L-Mount). List price: $639.

The 65mm F2 DG DN | Contemporary has a minimum focusing distance of 21.7 inches and a 1:6.8 magnification ratio. With a diameter of 2.8 inches and a length of 2.9 inches (L-Mount), it’s the largest of the three new lenses, but still very compact. List price: $699.

All three lenses have expected availability of mid-January 2021. For additional details, see the press release below.

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SIGMA Introduces Full-Frame Mirrorless I series Premium Compact Prime Lenses

New Lenses Offer Outstanding Performance, Superior Build Quality and Elegant Design

Ronkonkoma, NY – December 1, 2020 – Today, SIGMA Corporation introduces the I series of lenses for full-frame mirrorless cameras. Pairing both for exceptional optical performance and stylish, compact design, the three new lenses – the 24mm F3.5 DG DN | Contemporary, 35mm F2 DG DN | Contemporary, and 65mm DG DN | Contemporary – join the previously released 45mm F2.8 DG DN | Contemporary to establish a new benchmark in compact performance lenses. Featuring all-metal construction for durability and cutting-edge optical designs, the I series lenses are available in L-Mount and Sony E-mount.

“When it comes to mirrorless cameras, striking the proper balance between performance and size is even more crucial. We believe there is a growing demand for compact, high-performance, high-quality lenses,” reports SIGMA America President Mark Amir-Hamzeh. “The introduction of the I series of full-frame mirrorless-exclusive lenses answers this call. The I series represents 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 series have outstanding feel and touch in the hand. The well-damped manual focus ring, aperture ring, and autofocus switches embody true functional beauty.

The I series is being announced with 3 new lenses:

• 24mm F3.5 DG DN | Contemporary (MSRP $549)
• 35mm F2 DG DN | Contemporary (MSRP $639)
• 65mm F2 DG DN | Contemporary (MSRP $699)

The three new lenses will be available for sale through authorized US retailers in mid-January, 2021.

The 45mm F2.8 DG DN | Contemporary, available now (MSRP $549), is also part of this series.

Key I series Lens Features:

• All I series lenses feature an all-metal body, with high-precision metal internal parts, and a metal lens hood. The 24mm F3.5 is a petal-type hood.
• All I series lenses feature a manual aperture ring and knurled surfaces for an enjoyable tactile experience.
• The 35mm F2 and 65mm F2 lenses feature a newly-designed arc-type auto/manual focus mode switch.
• The 24mm F3.5, 35mm F2 and 65mm F2 lenses all feature a dust and splash-proof mount
• The three new lenses each ship with both a plastic lens cap and a magnetic metallic cap.
• An optional magnetic cap holder (model CH-11, MSRP $29) features a mini-carabiner for clipping to a camera bag, jacket or belt loop, and has a donut-style center hole to easily remove the cap when it is time to place it back on the lens.

SIGMA 24mm F3.5 DG DN | Contemporary

Exceptional compact wide-angle prime | 1:2 close-up magnification | Lovely round bokeh | Stepping motor | Designed to minimize flare and ghosting | Super Multi-Layer Coating

Lens Construction:	10 elements in 8 groups (1 SLD, 3 aspherical)
Autofocus Motor:	STM
No. of Diaphragm Blades:	7 rounded
Min. Focus Distance:	4.3 in. (10.8cm)
Max. Magnification Ratio:	1:2 (half macro)
Filter Size:	55mm
Dimensions (DxL):	L-Mount: 2.5 x 1.9 in. (64 x 48.8mm) E-Mount: 2.5 x 2.0 in. (64 x 50.8mm)
Weight:	L-Mount: 7.9 oz. (225g) E-Mount: 8.1 oz. (230g)

 SIGMA 35mm F2 DG DN | Contemporary

Outstanding image quality and bokeh, compact size, perfect for everyday use.
Stepping motor | Designed to minimize flare and ghosting | Super Multi-Layer Coating

Lens Construction:	10 elements in 9 groups (1 SLD, 3 aspherical)
Autofocus Motor:	STM
No. of Diaphragm Blades:	9 rounded
Min. Focus Distance:	10.6 in. (27cm)
Max. Magnification Ratio:	1:5.7
Filter Size:	58mm
Dimensions (DxL):	L-Mount: 2.8 x 2.6 in. (70 x 65.4mm) E-Mount: 2.8 x 2.7 in. (70 x 67.4mm)
Weight:	11.5 oz. (325g)

SIGMA 65mm F2 DG DN | Contemporary

Sharp images with beautiful bokeh | High backlight performance with thorough flare & ghosting control | Stepping motor | Designed to minimize flare and ghosting | Super Multi-Layer Coating

Lens Construction:	12 elements in 9 groups (1 SLD, 2 aspherical)
Autofocus Motor:	STM
No. of Diaphragm Blades:	9 rounded
Min. Focus Distance:	21.7 in. (55cm)
Max. Magnification Ratio:	1:6.8
Filter Size:	62mm
Dimensions (DxL):	L-Mount: 2.8 x 2.9 in. (72 x 74.7mm) E-Mount: 2.8 x 3.0 in. (72 x 76.2mm)
Weight:	14.3 oz. (405g)

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