Sony SEL400F28GM Operating Instructions

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Year 2018

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Sony SEL400F28GM Specification

The Sony SEL400F28GM is a premium G Master series lens, engineered for professional photographers demanding exceptional image quality and performance. This 400mm f/2.8 prime lens is designed for full-frame E-mount cameras, providing superior optical precision suitable for sports, wildlife, and action photography. Featuring a sophisticated optical construction, it includes 23 elements in 17 groups, with three fluorite elements to significantly reduce chromatic aberration and color bleeding. Its large f/2.8 maximum aperture allows for remarkable light-gathering capability, delivering outstanding clarity and sharpness even in challenging lighting conditions.

The lens incorporates advanced XD (extreme dynamic) linear motors for fast, precise, and quiet autofocus, ideal for both stills and video capture. With a minimum focus distance of 2.7 meters, it offers flexibility in capturing detailed close-up shots. The SEL400F28GM is built with a durable magnesium alloy body and a lightweight design, weighing approximately 2.9 kilograms, which ensures enhanced portability and ease of handling during extended shooting sessions. It also features a dust and moisture-resistant seal, offering reliable performance in various environmental conditions.

Sony’s Nano AR coating minimizes flare and ghosting, contributing to its superior contrast and color fidelity. The lens also supports 5-axis stabilization when paired with a compatible Sony body, enhancing image quality by minimizing the impact of camera shake. Customizable focus-hold buttons and a focus range limiter provide added convenience and control. The Sony SEL400F28GM represents the pinnacle of Sony’s lens technology, combining cutting-edge performance with precision craftsmanship, making it an indispensable tool for professional photographers seeking the highest standards in their work.

Sony SEL400F28GM F.A.Q.

What are the best settings for wildlife photography with the Sony SEL400F28GM lens?

For wildlife photography, use a fast shutter speed (1/1000s or faster) to freeze motion. Set the aperture to f/2.8 for a shallow depth of field and beautiful bokeh. Use continuous autofocus (AF-C) mode to track moving subjects. Pairing with a high ISO setting will help maintain exposure in low light conditions.

How can I update the firmware of the Sony SEL400F28GM lens?

To update the firmware, connect the camera with the lens attached to your computer using a USB cable. Visit the Sony support website, download the latest firmware update, and follow the on-screen instructions. Make sure the camera battery is fully charged before beginning the update process.

Why is my Sony SEL400F28GM lens not focusing properly?

Ensure the lens and camera firmware are up to date. Check if the lens contacts are clean and free of dust. Verify the focus mode switch is set to AF, and try using a different focus area setting. If issues persist, test the lens on another camera body to determine if the issue is lens-specific.

What is the best way to clean the Sony SEL400F28GM lens?

Use a soft, lint-free microfiber cloth to wipe the lens surface gently. For stubborn smudges, apply a small amount of lens cleaning solution to the cloth, not directly on the lens. Use a blower to remove dust from the lens elements and avoid touching the glass with your fingers.

How can I reduce chromatic aberration in my photos using the Sony SEL400F28GM?

Chromatic aberration can be minimized by stopping down the aperture slightly, usually to around f/4 or f/5.6. Additionally, enable in-camera lens corrections if available, or adjust chromatic aberration in post-processing using software like Adobe Lightroom or Photoshop.

What should I do if the Sony SEL400F28GM lens is making unusual noises?

First, ensure that any noise isn't coming from the camera body. Check if the lens mount is secure and that the lens is properly attached. If the noise persists, it might indicate a mechanical issue; contact Sony support or a professional repair service for inspection.

Can I use teleconverters with the Sony SEL400F28GM lens?

Yes, the Sony SEL400F28GM is compatible with Sony's 1.4x and 2.0x teleconverters. They increase the focal length to 560mm and 800mm respectively, but reduce the maximum aperture to f/4 and f/5.6. Note that autofocus speed and image quality may be slightly affected.

How do I properly store the Sony SEL400F28GM lens when not in use?

Store the lens in a cool, dry place away from direct sunlight. Use the supplied lens cap and hood to protect the front element. Consider using a padded lens case for additional protection, and include silica gel packets to control humidity and prevent mold growth.

What is the minimum focusing distance of the Sony SEL400F28GM lens?

The minimum focusing distance of the Sony SEL400F28GM lens is 2.7 meters (8.86 feet). This allows for a magnification ratio of 0.16x, suitable for capturing subjects at a relatively close range with a pleasing background blur.

How can I improve image stabilization when using the Sony SEL400F28GM lens handheld?

Activate the lens's built-in Optical SteadyShot (OSS) feature. Additionally, use a high shutter speed to counteract camera shake, and consider supporting the lens with a monopod or tripod for added stability. Keep your elbows close to your body to further reduce movement.