Sony SEL28F20 Operating Instructions

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Year 2015

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Sony SEL28F20 Specification

The Sony SEL28F20 is a versatile full-frame prime lens designed for E-mount cameras, offering a wide-angle focal length of 28mm. It features a maximum aperture of f/2.0, providing excellent low-light performance and enabling the creation of a shallow depth of field for artistic bokeh effects. The lens construction consists of 9 elements in 8 groups, including three aspherical elements and two ED (Extra-low Dispersion) glass elements, which help minimize chromatic aberrations and ensure sharp, high-contrast images across the frame. The lens's linear motor drive enables fast, precise, and quiet autofocus, making it suitable for both still photography and video recording.

With a compact and lightweight design, the SEL28F20 is ideal for photographers seeking portability without compromising image quality. Its circular 9-blade aperture contributes to a pleasing, smooth bokeh. The lens also supports a minimum focus distance of 0.29 meters, allowing for closer perspectives and detailed shots. The exterior is constructed with a robust metal finish, ensuring durability and a premium feel. It includes a dust and moisture-resistant design, enhancing its reliability in various shooting environments.

The Sony SEL28F20 is compatible with optional ultra-wide and fisheye converters, expanding its versatility for creative photography. The lens has a filter diameter of 49mm and weighs approximately 200 grams, making it a practical choice for travel and everyday use. Its performance, combined with its build quality and adaptability, makes the SEL28F20 a popular choice among both amateur and professional photographers seeking a high-quality, wide-angle lens for their Sony E-mount camera systems.

Sony SEL28F20 F.A.Q.

How do I attach the Sony SEL28F20 lens to my camera?

Align the white dot on the lens with the white dot on the camera mount, then gently rotate the lens clockwise until it clicks into place.

What should I do if the autofocus on my Sony SEL28F20 is not working?

Ensure the lens is securely attached and the camera is set to autofocus mode. Clean the electrical contacts on the lens and camera with a soft, dry cloth. If the problem persists, reset the camera settings to default.

How can I achieve better low-light performance with the Sony SEL28F20?

Use a lower f-stop (f/2.0) to allow more light to enter the lens. Increase the ISO setting on your camera and consider using a tripod to stabilize long exposure shots.

What is the best way to clean the Sony SEL28F20 lens?

Use a blower to remove dust, then gently clean the lens surface with a microfiber cloth or lens cleaning solution. Avoid using rough materials that could scratch the lens.

Can I use filters with the Sony SEL28F20 lens?

Yes, the Sony SEL28F20 has a 49mm filter thread, allowing you to attach various filters such as UV, polarizing, or ND filters.

How do I update the firmware for the Sony SEL28F20 lens?

Connect your camera to a computer using a USB cable, then follow the instructions provided on the Sony support website to download and install the latest lens firmware update.

Why is my Sony SEL28F20 lens producing blurry images?

Ensure that the lens is focused correctly, and check that your shutter speed is fast enough to avoid motion blur. Also, confirm that the lens elements are clean and the image stabilization, if available, is turned on.

What precautions should I take when using the Sony SEL28F20 in wet conditions?

While the lens has some moisture resistance, avoid exposing it to excessive water. Use a protective cover or rain sleeve, and dry the lens thoroughly if it becomes wet.

How do I achieve a sharp focus manually with the Sony SEL28F20?

Switch the camera to manual focus mode, then rotate the focus ring on the lens while using the camera's focus assist features, such as focus peaking or magnification, for greater accuracy.

What should I do if the Sony SEL28F20 lens makes unusual noise during operation?

Check for any obstructions or dirt around the focus and zoom rings. If the noise persists, contact Sony support or a certified repair center for further diagnosis.