Sony SEL20F28

Overview

The Sony SEL20F28 is a wide-angle prime lens designed for APS-C E-mount cameras, offering a 20mm focal length that provides a 30mm equivalent field of view. Its bright f/2.8 aperture supports shooting in low-light conditions while maintaining image clarity. The lens’s slim pancake design, measuring just 0.8 inches in length and weighing 2.43 ounces, makes it highly portable and easy to carry for everyday photography, street scenes, and environmental portraits.

Key features

• Bright f/2.8 maximum aperture allows for sharp images in low-light environments without excessive ISO increase
• Compact pancake design ensures the lens is lightweight and unobtrusive, ideal for travel and casual shooting
• Three aspherical elements reduce distortion and maintain sharpness and contrast across the frame
• Quick and precise autofocus with a rear focusing system enhances responsiveness and accuracy
• Minimum focus distance of 7.9 inches enables detailed close-up shots and creative compositions
• Rounded seven-blade diaphragm produces smooth and pleasing bokeh to separate subjects from backgrounds
• Designed specifically for APS-C E-mount cameras, ensuring compatibility and optimized performance

Key specs

• Focal length: 20mm (30mm equivalent on APS-C)
• Maximum aperture: f/2.8
• Minimum focus distance: 7.9 inches (20 cm)
• Optical design: includes three aspherical elements
• Diaphragm blades: seven, rounded
• Lens length: 0.8 inches (20 mm)
• Weight: 2.43 ounces (69 grams)
• Mount type: Sony E-mount for APS-C cameras

Ideal uses and environments

This lens fits well in setups where portability and image quality are both priorities. It works well for photographers who enjoy street photography, travel, and environmental portraits, offering a natural perspective with minimal distortion. Its compact size and light weight make it a strong choice for those who want to carry a high-quality wide-angle lens without adding bulk to their gear. The bright aperture also supports shooting in dimmer settings, such as indoor events or early evening scenes.

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