Olympus ED 25mm f1.2 PRO Instructions Manual

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Year 2016

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Olympus ED 25mm f1.2 PRO Specification

The Olympus ED 25mm f1.2 PRO Lens is a premium M.Zuiko Digital lens designed for Micro Four Thirds cameras, offering professional-grade optical performance and exceptional image quality. With a focal length equivalent to 50mm on a 35mm camera, this lens is ideal for a wide range of photography styles, including portraits, landscapes, and low-light shooting. It features a bright f/1.2 maximum aperture, allowing for excellent depth of field control and superior performance in challenging lighting conditions.

The lens construction comprises 19 elements in 14 groups, including specialty glass elements such as aspherical, extra-low dispersion, and high refractive index lenses that minimize chromatic aberrations, distortions, and ensure sharpness across the entire image. A nine-blade circular aperture diaphragm contributes to pleasing bokeh effects, enhancing the aesthetic quality of out-of-focus areas.

The lens is equipped with a high-speed imager AF system that offers fast, precise, and virtually silent autofocus, making it suitable for both still photography and video recording. It has a robust, weather-sealed construction designed to withstand dust, splash, and freezing conditions, ensuring reliability in diverse environments.

The lens features a manual focus clutch mechanism for quick switching between auto and manual focus modes, providing tactile precision for photographers who prefer manual adjustments. Coating technologies such as Z Coating Nano are applied to suppress flare and ghosting, enhancing contrast and color fidelity even in backlit situations. With a minimum focusing distance of 0.3 meters, the lens allows for close-up shooting with a magnification of 0.11x. Weighing approximately 410 grams and measuring 70 mm in diameter, the Olympus ED 25mm f1.2 PRO Lens combines advanced optical performance with a durable, compact design suitable for professional use.

Olympus ED 25mm f1.2 PRO F.A.Q.

What are the key features of the Olympus ED 25mm f1.2 PRO Lens?

The Olympus ED 25mm f1.2 PRO Lens features a fast f/1.2 aperture, high-quality optics with multiple coatings to reduce flare, a robust weather-sealed construction, and a precision autofocus system, making it ideal for low-light and portrait photography.

How do I properly clean and maintain the Olympus ED 25mm f1.2 PRO Lens?

To clean and maintain the lens, use a soft microfiber cloth to gently wipe the lens elements. Avoid using harsh chemicals. For stubborn spots, use a lens cleaning solution. Regularly check and clean the lens mount and contact points to ensure optimal performance.

What should I do if the autofocus on my Olympus ED 25mm f1.2 PRO Lens is not working properly?

Ensure that the lens is properly mounted on the camera. Check for any firmware updates for both the lens and camera. If issues persist, try resetting the camera settings or test the lens on another compatible camera body to isolate the problem.

Can the Olympus ED 25mm f1.2 PRO Lens be used in rainy conditions?

Yes, the Olympus ED 25mm f1.2 PRO Lens is weather-sealed and designed to withstand rainy conditions. However, it is always advisable to use additional protective gear, such as a rain cover, to ensure long-term durability.

What is the best way to achieve sharp focus with the Olympus ED 25mm f1.2 PRO Lens?

To achieve sharp focus, use the camera's focus peaking or magnified view feature in manual focus mode. In autofocus mode, select a single focus point and ensure adequate lighting to allow the lens to lock focus accurately.

Are there any specific settings recommended for portrait photography with this lens?

For portrait photography, use a wide aperture like f/1.2 to achieve a shallow depth of field, which beautifully blurs the background. Set the camera to aperture priority mode and use eye-detection autofocus if available for precise focus on the subject's eyes.

How can I reduce lens flare when using the Olympus ED 25mm f1.2 PRO Lens?

To reduce lens flare, use the lens hood provided with the lens. Avoid shooting directly into bright light sources and consider adjusting your shooting angle. The lens's advanced coatings also help minimize flare.

Is it possible to update the firmware of the Olympus ED 25mm f1.2 PRO Lens?

Yes, lens firmware updates can be performed using Olympus's digital camera updater software. Connect your camera with the lens attached to a computer and follow the instructions provided by the software to check for and install any available updates.

What kind of photography is the Olympus ED 25mm f1.2 PRO Lens best suited for?

This lens is ideal for portrait, low-light, and street photography due to its fast aperture and high optical performance. Its ability to create a beautiful bokeh effect makes it particularly suitable for artistic and creative shots.

How can I ensure the longevity of my Olympus ED 25mm f1.2 PRO Lens?

Store the lens in a dry, dust-free environment when not in use. Use a protective case and lens caps to prevent physical damage. Regularly inspect and clean the lens elements and mount to maintain performance and prevent wear.