Sony SEL135F18GM Operating Instructions

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Year 2018

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Sony SEL135F18GM Specification

The Sony SEL135F18GM is a high-performance telephoto prime lens designed for the E-mount system, part of Sony's esteemed G Master series. It features a focal length of 135mm with a wide maximum aperture of f/1.8, ideal for achieving a shallow depth of field and stunning bokeh, making it perfect for portrait, sports, and event photography. The lens construction includes 13 elements in 10 groups, incorporating XA (extreme aspherical), Super ED (extra-low dispersion), and ED glass elements to minimize aberrations and ensure exceptional image sharpness and clarity across the frame.

The lens is equipped with Sony's Nano AR Coating to reduce flare and ghosting, enhancing contrast and color fidelity even in challenging lighting conditions. It uses an 11-blade circular diaphragm to create smooth and attractive bokeh. The autofocus system is driven by dual XD (extreme dynamic) Linear Motors, providing fast, precise, and quiet focusing performance suitable for both stills and video applications.

Manual focus is enhanced with a responsive linear response MF, ensuring precise control. The lens has a robust build, featuring dust and moisture resistance, making it suitable for use in various environments. Its dimensions are approximately 89.5 mm in diameter and 127 mm in length, with a weight of around 950 grams, balancing portability with performance. The front filter diameter is 82 mm, allowing for the attachment of various filters to expand creative possibilities. This lens is engineered to deliver professional-quality results, embodying Sony's commitment to innovation and excellence in optical design.

Sony SEL135F18GM F.A.Q.

What is the best way to clean the Sony SEL135F18GM lens?

To clean the Sony SEL135F18GM lens, use a blower to remove loose dust. Then, gently wipe the lens surface with a microfiber cloth or lens tissue moistened with a small amount of lens cleaning solution. Avoid using household cleaners or rough materials.

How can I update the firmware of the Sony SEL135F18GM lens?

The Sony SEL135F18GM lens does not require standalone firmware updates. Instead, ensure your camera body has the latest firmware, as lens performance enhancements are often included in camera updates. Check Sony's support website for the latest camera firmware.

What should I do if my Sony SEL135F18GM lens is not focusing correctly?

If the lens is not focusing correctly, ensure that the camera's firmware is up to date. Check the lens mount for dust or debris, and confirm that the focus mode is set correctly. If issues persist, try resetting the camera settings or consult Sony support.

Can I use the Sony SEL135F18GM lens in extreme weather conditions?

The Sony SEL135F18GM is designed with dust and moisture resistance, making it suitable for various weather conditions. However, it is recommended to use additional protection, like a rain cover, in extreme conditions to ensure durability and performance.

How do I achieve the best bokeh effect with the Sony SEL135F18GM lens?

To achieve the best bokeh effect with the Sony SEL135F18GM, use a wide aperture (f/1.8) and focus on a subject close to the lens while ensuring the background is distant. This will create a shallow depth of field and a pleasing bokeh.

Is the Sony SEL135F18GM lens compatible with teleconverters?

The Sony SEL135F18GM lens is not officially compatible with Sony teleconverters. Using teleconverters may result in reduced autofocus performance and image quality. It's recommended to use this lens without teleconverters for optimal performance.

How can I reduce chromatic aberration with the Sony SEL135F18GM lens?

The Sony SEL135F18GM is designed to minimize chromatic aberration. However, if you notice it, try stopping down the aperture slightly or use in-camera corrections provided by your Sony camera. Post-processing software can also help reduce aberrations.

What is the optimal focus distance for portrait photography with the Sony SEL135F18GM?

For portrait photography, using a focus distance of around 1.5 to 3 meters (5 to 10 feet) can provide a pleasing composition with the Sony SEL135F18GM. This distance allows for a flattering perspective and excellent subject isolation.

How do I prevent lens flare when using the Sony SEL135F18GM in bright conditions?

To prevent lens flare, use the supplied lens hood to block direct sunlight. Also, try changing the shooting angle or position to minimize direct light hitting the lens. Post-processing can help reduce any remaining flare effects.

What is the best way to store the Sony SEL135F18GM lens when not in use?

Store the Sony SEL135F18GM lens in a cool, dry place, ideally in a camera bag or case with desiccant to prevent moisture buildup. Keep the lens caps on to protect the glass elements, and avoid exposing it to extreme temperatures or humidity.