Sigma introduces new I series premium compact lenses for full-frame mirrorless cameras with three primes – 24mm, 35mm, and 65mm. Featuring high-quality optical performance and stylish, all-metal compact design, the new range includes the Sigma 24mm f/3.5 DG DN Contemporary, a 35mm f2 DG DN, and a 65mm f2 DG DN.
Furthermore, this trio joins the previously released 45mm F2.8 DG DN lens to establish a new benchmark in compact performance lenses.
Built for the Future, Built for Full-Frame Mirrorless
The new I series lenses are built to last thanks to an all-metal rugged design and feature the latest Sigma optical enhancements. The new Sigma premium compact prime lenses are available in either Leica L mount or Sony E mount.
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Sigma “I Series” Compact Lenses – Quick Features
- Durable construction – all-metal body
- with high precision metal internal parts
- metal lens hood (24mm has a petal-style hood)
- The I Series lenses have a manual aperture ring with ergonomic design
- 35mm f2 and 65mm f2 have a new arc type auto/manual focus mode switch.
- A dust and splash proof mount
- The three new lenses each ship with both a plastic lens cap and a magnetic metallic cap.
Furthermore, Sigma is also offering an optional magnetic cap holder for $29. It features a mini carabiner for clipping to a camera bag, jacket or belt loop.
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SIGMA 24mm F3.5 DG DN Specifications:
- Lens Construction:
- 10 elements in 8 groups (1 x SLD, 3 x Aspherical)
- Autofocus Motor: STM
- Number of Aperture Blades: 7 rounded
- Min. Focus Distance: 4.3 in. (10.8cm)
- Max. Magnification Ratio:
- 1:2 (Macro Magnification)
- Filter Size: 55mm
- Dimensions (D x L):
- L mount: 2.5 x 1.9″ (64 x 48.8mm)
- Sony E mount: 2.5 x 2.0″ (64 x 50.8mm)
- Weight:
- 7.9 oz. (225g) – L mount
- 8.1 oz. (230g) – Sony E mount
- Pre-order at B&H – $549 USD
- Available: January 2021

Sigma 35mm f2 DG DN – Specifications
- Lens Construction:
- 10 elements in 9 groups (1 x SLD, 3 x Aspherical)
- Autofocus Motor: STM
- Number of Aperture Blades: 9 rounded
- Min. Focus Distance: 10.6″ (27cm)
- Max. Magnification Ratio: 1:5.7
- Filter Size: 58mm
- Dimensions (D x L):
- L mount: 2.8 x 2.6″ (70 x 65.4mm)
- Sony E mount: 2.8 x 2.7″ (70 x 67.4mm)
- Weight: 11.5 oz. (325g)
- Pre-order at B&H – $639 USD
- Available: January 2021
Sigma 65mm f2 DG DN – Tech Specs:
- Lens Construction:
- 12 elements in 9 groups (1 x SLD, 2 x Aspherical)
- Autofocus Motor: STM
- Number of Aperture Blades: 9 rounded
- Min. Focus Distance: 21.7″ (55cm)
- Max. Magnification Ratio: 1:6.8
- Filter Size: 62mm
- Dimensions (D x L):
- L mount: 2.8 x 2.9″ (72 x 74.7mm)
- Sony E mount: 2.8 x 3.0″ (72 x 76.4mm)
- Weight: 14.3 oz. (405g)
- Pre-order at B&H – $699 USD
- Available: January 2021
Pricing and Availability
You can pre-order the new Sony E mount versions of the Sigma “I series” from B&H via the links below. Deliveries are expected to commence in January 2021:
- 24mm f/3.5 DG DN Contemporary – $549
- 35mm f/2 DG DN Contemporary – $639
- Sigma 65mm f/2 DG DN – $699
For more details and info head over to Sigma’s website.