Sony SEL100400GM Operating Instructions

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Year 2017

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Sony SEL100400GM Specification

The Sony SEL100400GM is a versatile telephoto zoom lens designed for professionals and enthusiasts who demand high performance in sports, wildlife, and action photography. This lens is part of Sony's renowned G Master series, ensuring exceptional image quality and advanced optical performance. It features a focal length range of 100-400mm, providing excellent reach and flexibility for capturing distant subjects with clarity and precision. The aperture range of f/4.5-5.6 allows for effective low-light performance and beautiful background bokeh, enhancing subject isolation.

Incorporating a sophisticated optical design, the lens includes 22 elements in 16 groups, featuring one Super ED glass element and two ED glass elements that minimize chromatic aberrations and color fringing. The Nano AR Coating reduces lens flare and ghosting, delivering high-contrast images even in challenging lighting conditions. The lens is equipped with a Direct Drive SSM (Super Sonic wave Motor) system, ensuring fast, precise, and quiet autofocus, which is crucial for capturing dynamic subjects. Additionally, the lens offers Optical SteadyShot image stabilization, compensating for camera shake and allowing for handheld shooting with sharp results.

The SEL100400GM is built to withstand rigorous use, featuring a robust, weather-sealed construction that protects against dust and moisture, making it suitable for outdoor shooting. It has a customizable focus hold button and a zoom torque adjustment ring, offering intuitive control and handling. This lens also supports a minimum focusing distance of 0.98 meters, providing a maximum magnification of 0.35x. Compatible with Sony's full-frame E-mount cameras, the SEL100400GM lens is an essential tool for photographers seeking superior optical quality and versatility in a telephoto zoom lens.

Sony SEL100400GM F.A.Q.

How do I attach the Sony SEL100400GM lens to my camera body?

To attach the Sony SEL100400GM lens to your camera body, align the white dot on the lens with the white dot on the camera mount. Insert the lens into the mount and rotate it clockwise until it clicks into place, indicating it is securely attached.

What should I do if the autofocus on my SEL100400GM lens is not working properly?

If the autofocus is not working properly, ensure the lens is securely attached to the camera. Check that the camera is set to autofocus mode. Clean the lens contacts and camera mount contacts with a microfiber cloth. If the issue persists, try resetting the camera settings or test the lens on another camera body.

How do I clean the Sony SEL100400GM lens to maintain optimal performance?

To clean the lens, use a blower to remove dust and debris from the lens surface. Use a soft, lint-free microfiber cloth to gently wipe the lens in a circular motion. For stubborn smudges, use a lens cleaning solution applied to the cloth. Avoid touching the lens glass with your fingers.

What is the best way to store the SEL100400GM lens when not in use?

Store the SEL100400GM lens in a cool, dry place. Keep it in a padded lens case to protect it from dust, moisture, and impact. Use silica gel packets in the storage case to absorb moisture and prevent mold. Ensure the lens cap is on to protect the glass.

How do I update the firmware of the Sony SEL100400GM lens?

To update the firmware, connect the camera with the lens attached to a computer using a USB cable. Visit the Sony support website, download the latest firmware update for the lens, and follow the on-screen instructions to complete the update process.

Why is my SEL100400GM lens producing blurry images?

Blurry images can result from slow shutter speeds, incorrect focus, or camera shake. Ensure the shutter speed is appropriate for your shooting conditions. Use a tripod or image stabilization to reduce camera shake. Check the focus settings and confirm the subject is within the focus range.

Are there any specific precautions to take when using the SEL100400GM lens in extreme weather conditions?

The SEL100400GM lens is weather-sealed, but it is advisable to use additional rain covers or protective gear in extreme conditions. Avoid exposing the lens to sudden temperature changes to prevent condensation. Wipe the lens dry after exposure to rain or snow.

What should I do if my SEL100400GM lens is making unusual noises during autofocus?

Unusual noises during autofocus may indicate a mechanical issue. Check for any obstructions around the focusing ring. Ensure the lens firmware is up to date. If the noise persists, contact Sony support or a professional repair service for further assistance.

How can I achieve the best image quality with the Sony SEL100400GM lens?

For optimal image quality, use the lens between f/8 and f/11, where it typically performs best. Use a sturdy tripod to minimize camera shake. Ensure proper lighting and focus accurately. Regularly clean the lens to maintain clarity and sharpness.

Can the Sony SEL100400GM lens be used with teleconverters, and what are the effects?

Yes, the SEL100400GM lens is compatible with Sony's 1.4x and 2.0x teleconverters, which extend the focal length. Using a teleconverter may result in a reduction in maximum aperture, potentially affecting autofocus performance and image quality.