Olympus ED 8-25mm f4.0 PRO Instructions Manual

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Year 2021

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Olympus ED 8-25mm f4.0 PRO Specification

The Olympus ED 8-25mm f4.0 PRO Lens is a high-performance, wide-angle zoom lens designed for the Micro Four Thirds system, providing a versatile focal length range of 16-50mm in 35mm equivalent. This lens is engineered for professional photographers who require exceptional optical quality and robust build. It features a constant f/4.0 aperture, ensuring consistent exposure across the zoom range while maintaining a compact form factor. The optical construction comprises 16 elements in 10 groups, including specialized ED (Extra-low Dispersion), HR (High Refractive index), and aspherical elements, which work in synergy to minimize chromatic aberrations, distortions, and flares, delivering sharp, high-contrast images. A ZERO (Zuiko Extra-low Reflection Optical) coating further enhances image clarity by reducing ghosting and reflections. The lens incorporates a manual focus clutch mechanism for quick switching between auto and manual focus, offering tactile precision for critical focusing tasks. With a minimum focusing distance of 0.23 meters, it allows for close-up shots with a maximum magnification ratio of 0.42x, ideal for capturing intricate details. The lens is equipped with a reliable weather-sealing system, making it dustproof, splashproof, and freezeproof, suitable for various environmental conditions. Its lightweight and compact design ensures portability without compromising durability, making it an excellent choice for travel and outdoor photography. The lens is compatible with a 72mm filter thread, allowing for the use of various photographic filters. With its blend of advanced optical performance, rugged design, and user-friendly features, the Olympus ED 8-25mm f4.0 PRO Lens stands out as a versatile tool for both amateur and professional photographers seeking to expand their creative possibilities.

Olympus ED 8-25mm f4.0 PRO F.A.Q.

What is the best use case for the Olympus ED 8-25mm f4.0 PRO Lens?

The Olympus ED 8-25mm f4.0 PRO Lens is ideal for landscape, architecture, and interior photography due to its ultra-wide to standard zoom range.

How do I clean the Olympus ED 8-25mm f4.0 PRO Lens safely?

To clean the lens, use a soft microfiber cloth for the lens surface and a blower or lens brush for removing dust particles. Avoid using any harsh chemicals.

What should I do if the zoom mechanism feels stiff on my Olympus ED 8-25mm f4.0 PRO Lens?

If the zoom mechanism is stiff, ensure there are no obstructions and gently work the zoom ring back and forth. If the issue persists, consult with an Olympus service center.

Is the Olympus ED 8-25mm f4.0 PRO Lens weather-sealed?

Yes, the lens is weather-sealed, making it resistant to dust, splashes, and cold temperatures, which is ideal for outdoor photography.

Can I use filters with the Olympus ED 8-25mm f4.0 PRO Lens?

Yes, the lens features a 72mm filter thread, allowing you to attach various filters such as UV, polarizing, or ND filters.

What is the recommended maintenance schedule for the Olympus ED 8-25mm f4.0 PRO Lens?

Regularly inspect the lens for dust and debris, clean the lens elements as needed, and check for smooth operation of all moving parts. An annual professional check-up is also recommended.

How do I update the firmware for the Olympus ED 8-25mm f4.0 PRO Lens?

Connect the camera with the lens attached to a computer and use the Olympus Workspace software to check for and install any available firmware updates.

What should I do if my images are not sharp with the Olympus ED 8-25mm f4.0 PRO Lens?

Ensure the lens and camera settings are correct, such as the aperture and focus mode. Check for any smudges on the lens element and consider using a tripod for stability.

Is it normal for the Olympus ED 8-25mm f4.0 PRO Lens to make noise during focusing?

The lens uses a silent autofocus motor, so any noticeable noise may indicate an issue. If focusing noise is observed, it is advisable to have the lens inspected by a professional.

What are the benefits of using the Olympus ED 8-25mm f4.0 PRO Lens for video recording?

The lens offers a versatile focal range and constant f4.0 aperture, providing flexibility in framing while maintaining consistent exposure, which is beneficial for video recording.