Canon Ultrasonic EF100mm f 2.8 MACRO USM Instruction Manual

Canon Ultrasonic EF100mm f 2.8 MACRO USM manual cover

Pages 14

Year 2002

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Canon Ultrasonic EF100mm f 2.8 MACRO USM Specification

The Canon Ultrasonic EF 100mm f/2.8 MACRO USM lens is a versatile and high-performance macro lens designed for close-up photography, delivering exceptional image quality and precision. With a focal length of 100mm and a maximum aperture of f/2.8, this lens provides a bright and sharp image, even in low-light conditions. The lens features a 1:1 magnification ratio, allowing photographers to capture life-size images of small subjects with excellent detail and clarity.

Incorporating Canon's Ultrasonic Motor (USM) technology, the lens ensures fast, smooth, and quiet autofocus, making it ideal for both still photography and video recording. The lens also includes full-time manual focus, allowing photographers to fine-tune focus even in AF mode. The optical design comprises 12 elements in 8 groups, including a high-quality lens coating that minimizes chromatic aberrations, ghosting, and flare, ensuring superior image quality and color fidelity.

The EF 100mm f/2.8 MACRO USM lens is built with a robust construction, featuring a durable, lightweight design that is easy to handle. It has a minimum focusing distance of 0.31 meters, enabling photographers to get extremely close to their subjects, making it perfect for capturing intricate details in nature, product, and portrait photography. The lens also offers a 67mm filter thread for compatibility with various filters, enhancing creative possibilities. Compact and efficient, this lens is an essential tool for any photographer seeking to explore the world of macro photography with precision and artistic expression.

Canon Ultrasonic EF100mm f 2.8 MACRO USM F.A.Q.

How do I achieve the best macro shots with the Canon Ultrasonic EF100mm f/2.8 MACRO USM Lens?

To achieve the best macro shots, use a tripod to stabilize your camera, set the lens to manual focus for precision, and utilize a small aperture like f/11 to f/16 for greater depth of field. Proper lighting is crucial, so consider using a ring flash or natural diffused light.

What should I do if the autofocus on my Canon EF100mm f/2.8 MACRO USM Lens is not working properly?

If autofocus is not working, check if the lens is switched to AF mode. Ensure that the camera settings are correct and compatible with the lens. Clean the lens contacts with a dry microfiber cloth. If the issue persists, try the lens on another camera body to determine if the issue is with the camera or the lens.

Can I use the Canon EF100mm f/2.8 MACRO USM Lens for portrait photography?

Yes, the Canon EF100mm f/2.8 MACRO USM Lens is excellent for portrait photography. Its 100mm focal length provides a flattering perspective for portraits, and the f/2.8 aperture allows for beautiful background blur (bokeh).

How do I clean and maintain my Canon EF100mm f/2.8 MACRO USM Lens?

To clean the lens, use a soft brush to remove dust, then use a microfiber cloth with lens cleaning solution for the glass surfaces. Avoid touching the lens elements with your fingers. Regular maintenance includes checking for dust inside the lens and ensuring the focus and aperture rings move smoothly. Store the lens in a dry, dust-free environment when not in use.

What is the minimum focusing distance of the Canon EF100mm f/2.8 MACRO USM Lens?

The minimum focusing distance of the Canon EF100mm f/2.8 MACRO USM Lens is 0.31 meters (approximately 1 foot), allowing for 1:1 life-size magnification of subjects.

Why is my Canon EF100mm f/2.8 MACRO USM Lens producing blurry images?

Blurry images can result from camera shake, insufficient depth of field, or incorrect focus. Use a tripod to eliminate shake, and select an appropriate aperture to ensure sufficient depth of field. Make sure your focus is set correctly, especially when shooting at close distances.

How can I reduce lens flare when using the Canon EF100mm f/2.8 MACRO USM Lens?

To reduce lens flare, use the lens hood provided with the Canon EF100mm f/2.8 MACRO USM Lens. Avoid shooting directly into bright light sources, and position the light source behind or to the side of the camera.

Is the Canon EF100mm f/2.8 MACRO USM Lens weather-sealed?

No, the Canon EF100mm f/2.8 MACRO USM Lens is not weather-sealed. It is advisable to use protective covers when shooting in harsh weather conditions to prevent moisture and dust from entering the lens.

What type of filter size does the Canon EF100mm f/2.8 MACRO USM Lens support?

The Canon EF100mm f/2.8 MACRO USM Lens supports 58mm filters. Using high-quality filters can help protect the lens and enhance image quality.

How do I switch between autofocus and manual focus on the Canon EF100mm f/2.8 MACRO USM Lens?

To switch between autofocus and manual focus, use the AF/MF switch located on the side of the lens barrel. Slide it to AF for autofocus and to MF for manual focus.