The SIGMA 20mm F1.4 DG DN | Art lens is engineered specifically for full-frame mirrorless cameras, offering exceptional optical performance and versatility for a range of photographic applications, particularly astrophotography. Here’s a detailed overview of its features and specifications:

Key Features

Ultra-Wide Angle: With a focal length of 20mm, this lens provides a wide field of view (94.5°), making it ideal for landscape and architectural photography.

Bright Aperture: The maximum aperture of F1.4 allows for excellent low-light performance and depth of field control, enabling stunning images even in challenging lighting conditions.

Optical Quality: Comprising 17 elements in 15 groups, including two Special Low Dispersion (SLD) elements and three aspherical elements, the lens minimizes optical aberrations such as coma and distortion, ensuring sharpness from the center to the edges.

Astrophotography Focused: Designed with astrophotographers in mind, it captures stars as precise points of light, making it a top choice for night sky photography.

Filter Compatibility: The lens features a front filter thread (82mm) and a rear filter holder, allowing for the use of various filters without compromising image quality.

User-Friendly Features: Includes a Manual Focus Lock (MFL) switch to prevent accidental focus changes and a lens heater retainer to avoid condensation during cold shoots

The SIGMA 20mm F2 DG DN (C) is an ultra-wide prime lens designed for full-frame mirrorless cameras, notable for its compact design and exceptional optical performance. Here’s a detailed product description:

Key Features

Focal Length: 20mm

Maximum Aperture: F2, providing excellent low-light capabilities and beautiful background blur.

Construction: Comprises 13 elements in 11 groups, including 1 FLD (F Low Dispersion), 1 SLD (Special Low Dispersion), and 3 aspherical lens elements to minimize optical aberrations.

Angle of View: 94.5° for full-frame, 70.7° for APS-C sensors.

Minimum Focusing Distance: 22 cm (8.7 inches), allowing for close-up photography.

Maximum Magnification Ratio: 1:6.7.

Diaphragm Blades: 9 rounded blades for smooth bokeh.

Dimensions: Diameter of 70 mm and a length of 72.4 mm.

Weight: Approximately 370 g (13.1 oz), making it highly portable.

Filter Size: 62 mm.

The Sigma 23mm f/1.4 DC DN Contemporary Lens for Fujifilm X is a versatile and high-performance prime lens designed specifically for APS-C format mirrorless cameras. Below are the key features and specifications of this lens:

Key Features

Focal Length: 23mm (equivalent to 35mm on full-frame cameras), making it ideal for street photography, portraits, and landscapes.

Maximum Aperture: f/1.4, which allows for excellent low-light performance and beautiful bokeh effects due to its 9-blade rounded diaphragm.

Minimum Aperture: f/16, providing flexibility for various shooting conditions.

Minimum Focus Distance: 25 cm (9.8 inches), suitable for close-up photography.

Optical Design: Comprises 13 elements in 10 groups, including 3 Special Low Dispersion (SLD) and 2 aspherical elements to minimize aberrations and enhance image quality.

Autofocus System: Features a fast and accurate autofocus system powered by a stepping motor, making it effective for both stills and video applications.

Construction: Dust and moisture-resistant design, ensuring durability in various environments.

The Sigma 23mm f/1.4 DC DN Contemporary Lens is designed specifically for Sony E-mount mirrorless cameras, offering a versatile wide-angle perspective ideal for various photography styles, including landscapes, portraits, and tabletop shots.

Key Features

Focal Length: 23mm (equivalent to 35mm on full-frame)

Maximum Aperture: f/1.4, providing excellent low-light performance and depth of field control

Minimum Aperture: f/16

Lens Construction: 13 elements in 10 groups, including 3 Special Low Dispersion (SLD) and 2 aspherical elements, which help reduce aberrations and enhance image quality

Angle of View: 63.4°

Diaphragm Blades: 9 rounded blades for smooth bokeh

Minimum Focus Distance: 25 cm (9.8 inches)

Maximum Magnification Ratio: 1:7.3

Filter Size: 52 mm

Dimensions: 65.8 mm in diameter and 78.9 mm in length

Weight: 330 g (11.6 oz)

The SIGMA 24mm F2 DG DN | Contemporary lens is a premium compact prime lens designed specifically for mirrorless camera systems, available in both L-Mount and Sony E-mount versions. This lens is part of SIGMA's I series, known for its superior optical performance and robust build quality.

Key Features

Optical Design: The lens features a sophisticated construction of 13 elements in 11 groups, including two aspherical elements and one FLD (F Low Dispersion) element, which help to minimize chromatic aberrations and enhance image quality. The lens also utilizes a Super Multi-Layer coating to reduce flare and ghosting, ensuring high contrast and clarity even in challenging lighting conditions.

Aperture: With a maximum aperture of F2, the lens excels in low-light situations and provides beautiful background blur, making it ideal for portraiture and night photography. The rounded diaphragm consists of 9 blades, contributing to smooth bokeh.

Build Quality: Constructed entirely from metal, the SIGMA 24mm F2 DG DN offers a stylish yet durable design. It includes a manual aperture ring for precise control and an arc-type focus mode switch that enhances usability.

Performance: This lens is engineered for exceptional edge-to-edge sharpness, maintaining high resolution from the center to the corners of the frame. It is particularly suited for landscape, architectural, and interior photography due to its wide angle of view of 84.1°.

Compact Size: Weighing approximately 365g (12.9 oz) and measuring 70mm in diameter by 72mm in length, this lens is lightweight and portable, making it convenient for everyday use.

Minimum Focus Distance: The lens has a minimum focusing distance of 24.5 cm (9.7 in), allowing for close-up shots with a maximum magnification ratio of 

The Sigma 28mm f/1.4 DG HSM Art Lens for Sony E-mount is a versatile wide-angle lens designed for both full-frame and APS-C sensor cameras. Here’s a detailed overview of its features and specifications:

Key Features

• Focal Length: 28mm, equivalent to approximately 42mm on APS-C sensors.
• Maximum Aperture: f/1.4, allowing for excellent low-light performance and depth of field control.
• Minimum Aperture: f/16.
• Lens Construction: Comprises 17 elements in 12 groups, including:
  • 2 FLD (F Low Dispersion) glass elements
  • 3 SLD (Special Low Dispersion) glass elements
  • 3 aspherical elements
• Diaphragm Blades: 9 rounded blades for smoother bokeh.
• Angle of View: Diagonal angle of view is approximately 75.4 degrees.

The Sigma 30mm f/1.4 DC DN Contemporary Lens for Sony E is a versatile and high-performance prime lens designed specifically for APS-C-format Sony E-mount mirrorless cameras. Here’s an overview of its key features and specifications:

Key Features

Fast Maximum Aperture: The lens boasts a bright maximum aperture of f/1.4, which excels in low-light conditions and allows for significant control over depth of field, enabling beautiful background blur (bokeh) for portrait and event photography.

Optical Design: It incorporates two aspherical elements and one high-refractive index element to minimize spherical aberrations and distortion, ensuring sharp image quality with high clarity and definition. A Super Multi-Layer Coating further helps to reduce flare and ghosting, enhancing contrast and color accuracy in challenging lighting conditions.

Autofocus Performance: The lens features a stepping motor that provides fast, precise, and near-silent autofocus, making it suitable for both still photography and video recording.

Compact and Lightweight: Weighing approximately 265 grams (9.35 oz) and measuring about 64.8 mm x 73.3 mm, the lens is designed for portability, making it ideal for travel and everyday use.

Durability: The lens includes a dust and splash-resistant mount, enhancing its durability during outdoor shooting conditions

The SIGMA 30mm F1.4 DC HSM (A) for Nikon is a premium prime lens designed specifically for APS-C format digital SLR cameras. This lens is renowned for its large maximum aperture of F1.4, which allows for exceptional low-light performance and beautiful bokeh effects, making it a versatile choice for various photographic styles, including portrait and artistic photography.

Key Features

Aperture: Maximum of F1.4 for shallow depth of field and excellent low-light capability.

Angle of View: Equivalent to 45mm on a full-frame camera, closely mimicking human vision.

Lens Construction: Comprises 9 elements in 8 groups, ensuring minimal aberrations and high resolution.

Minimum Focusing Distance: Just 30 cm (11.8 in), allowing for close-up photography.

Diaphragm Blades: Features a rounded 9-blade diaphragm, which contributes to smooth bokeh.

Weight and Dimensions: Weighs approximately 435g (15.3 oz) with dimensions of φ74.2mm x 63.3mm.

The Sigma 35mm f/1.2 DG DN Art Lens for Sony E-mount is a high-performance wide-angle lens designed for full-frame mirrorless cameras. This lens is notable for being the first wide-angle autofocus lens with a maximum aperture of f/1.2, making it ideal for capturing stunning images with exceptional resolution and beautiful bokeh effects.

Key Features

Aperture: The lens has a wide aperture range from f/1.2 to f/16, allowing for excellent low-light performance and creative depth of field control.

Construction: It features a sophisticated optical design comprising 17 elements in 12 groups, including three SLD (Special Low Dispersion) elements and three aspherical elements, which help minimize various optical aberrations.

Angle of View: The lens provides a diagonal angle of view of 63.4°, making it versatile for various photography styles, including landscapes and portraits.

Minimum Focusing Distance: With a minimum focusing distance of 30 cm (11.8 inches), it allows for close-up photography, achieving a maximum magnification ratio of 1:5.

Physical Dimensions: The lens measures approximately 87.8 mm in diameter and 136.2 mm in length, weighing about 1,080 grams (38.1 oz)26. It has a filter size of 82 mm.

Build Quality: Designed with a dust- and splash-proof structure, it is suitable for use in challenging environments. The lens also includes an aperture ring with a de-click function, enhancing its usability for video recording

The SIGMA 40mm F1.4 DG HSM (A) for Nikon is a high-performance prime lens designed to meet the rigorous demands of both photography and cinematography. Here’s a detailed overview of its features and specifications:

Key Features

Optical Performance: This lens is engineered to deliver exceptional image quality across the entire sensor, making it suitable for professional use. It incorporates advanced optical technologies, including low-dispersion glass and a Super Multi-Layer Coating that minimizes flare and ghosting.

Design and Build: The lens features a dust and splash-resistant structure, ensuring durability in various shooting conditions. Additionally, the front element has a water and oil-repellent coating, facilitating easier maintenance.

Bokeh Quality: With its rounded 9-blade diaphragm, the lens produces soft and aesthetically pleasing bokeh, enhancing the visual appeal of out-of-focus areas in images.

Autofocus System: The Hyper Sonic Motor (HSM) allows for fast and silent autofocus, which is particularly beneficial for both still photography and video recording

The SIGMA 40mm F1.4 DG HSM (A) for Sony E Mount is a premium wide-normal lens designed to deliver exceptional optical performance, particularly suited for both photography and videography. Below are its key features and specifications:

Key Features

Optical Design: The lens features a sophisticated optical layout with 16 elements in 12 groups, including three FLD (F Low Dispersion) and three SLD (Special Low Dispersion) glass elements, which effectively minimize chromatic aberrations and enhance overall image quality.

Aperture: With a maximum aperture of F1.4, this lens excels in low-light conditions and provides a shallow depth of field, resulting in soft, beautiful bokeh effects12. The rounded 9-blade diaphragm contributes to this aesthetic quality.

Distortion Control: The lens boasts a distortion level of less than 1%, ensuring straight lines remain intact, which is crucial for architectural and landscape photography.

Durability: Designed with a dust and splash-resistant structure, it is built to withstand various shooting environments. Additionally, the front element has a water and oil-repellent coating for ease of cleaning.

Autofocus System: Equipped with a Hyper Sonic Motor (HSM), the lens offers fast and silent autofocus, making it suitable for both still photography and video recording.

Compatibility: This lens is compatible with full-frame Sony E-mount cameras, making it versatile for various shooting styles, including portrait, landscape, and street photography.

The SIGMA 45mm F2.8 DG DN (C) is a compact and versatile standard prime lens designed for full-frame mirrorless cameras, specifically compatible with Sony E-mount and L-Mount systems. Here’s a detailed overview of its features and specifications:

Key Features

Focal Length: 45mm, providing a natural perspective ideal for various photography styles.

Maximum Aperture: F2.8, allowing for good low-light performance and depth of field control.

Minimum Aperture: F22, enabling extensive depth of field for landscape photography.

Lens Construction: Comprises 8 elements in 7 groups, including 2 aspherical lenses to minimize aberrations and enhance image quality.

Diaphragm Blades: 7 rounded blades contribute to smooth bokeh effects, enhancing the aesthetic quality of out-of-focus areas.

Minimum Focus Distance: 24 cm (9.4 inches), suitable for close-up shots and tabletop photography.

The Sigma 50-100mm F1.8 DC HSM (A) lens for Canon is a premium mid-telephoto zoom lens designed specifically for APS-C format DSLRs. Here’s a detailed overview of its features and specifications:

Key Features

Focal Length: The lens offers a focal length range of 50-100mm, which translates to an equivalent of 80-160mm on APS-C cameras, making it ideal for portrait and event photography.

Aperture: It boasts a constant maximum aperture of f/1.8 throughout the zoom range, allowing for excellent low-light performance and greater control over depth of field for creative effects.

Optical Design: The lens incorporates advanced optical elements, including:

Three F Low Dispersion (FLD) elements and one Special Low Dispersion (SLD) element, which significantly reduce chromatic aberrations and color fringing.

A high-refractive index glass element that enhances clarity and sharpness across the focal range.

A Super Multi-Layer Coating that minimizes flare and ghosting, ensuring high contrast and color fidelity even in challenging lighting conditions.

Autofocus System: Equipped with a Hyper Sonic Motor (HSM), the lens delivers fast and quiet autofocus, with full-time manual focus override available at any time for precise control.

Construction: The lens features a robust build using Thermally Stable Composite (TSC) material combined with traditional metals, ensuring durability across varying temperatures. The brass bayonet mount adds to its longevity.

Diaphragm: It has a rounded nine-blade diaphragm that contributes to smooth bokeh, enhancing the aesthetic quality of out-of-focus areas in images.

Tripod Collar: A fixed rotating tripod collar is included for improved stability during prolonged shooting sessions, with 90° click stops for easy orientation adjustments

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