Canon Ultrasonic EF100mm f 2.8L MACRO IS USM Instruction Manual

Canon Ultrasonic EF100mm f 2.8L MACRO IS USM manual cover
Pages 18
Year 2009
Language(s)
English en

Canon Ultrasonic EF100mm f 2.8L MACRO IS USM Specification

The Canon Ultrasonic EF100mm f/2.8L MACRO IS USM Lens is a high-performance macro lens designed for professional photographers seeking exceptional image quality and versatility. It features a focal length of 100mm, making it an ideal choice for close-up and portrait photography. The lens incorporates Canon's advanced Image Stabilization technology, offering up to four stops of shake correction, which is particularly beneficial for handheld macro shooting. Its maximum aperture of f/2.8 provides excellent low-light performance and depth-of-field control.

This lens is part of Canon's esteemed L-series, known for its superior build quality and optical performance. It is constructed with ultra-low dispersion (UD) elements that effectively reduce chromatic aberrations, ensuring sharp, clear images with high contrast and color fidelity. The inclusion of a ring-type Ultrasonic Motor (USM) allows for fast, accurate, and near-silent autofocus, enhancing the shooting experience in both stills and video.

The Canon EF100mm f/2.8L MACRO IS USM also features a life-size 1:1 magnification capability, enabling photographers to capture subjects at their actual size on the sensor. Its minimum focusing distance of 30 centimeters allows for compelling close-up shots. The lens is equipped with a nine-blade circular aperture that produces pleasing bokeh, adding a professional touch to out-of-focus areas. Additionally, the lens is weather-sealed, offering resistance to dust and moisture, making it suitable for use in challenging environmental conditions. With its combination of advanced technology and robust construction, this lens is a top choice for photographers specializing in macro and portrait work.

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

What are the key features of the Canon EF100mm f/2.8L MACRO IS USM Lens?

The Canon EF100mm f/2.8L MACRO IS USM Lens features a 1:1 macro capability, Hybrid Image Stabilization, Ultrasonic Motor for fast and quiet autofocus, and a weather-sealed design. It is part of Canon's L-series, known for superior optics and build quality.

How do I achieve the best macro shots with this lens?

To achieve the best macro shots, use a tripod to minimize camera shake, focus manually for precision, and utilize the lens's Hybrid IS if shooting handheld. Good lighting and a small aperture (high f-number) can help increase depth of field.

What is the Hybrid IS feature and how does it work?

The Hybrid IS (Image Stabilization) compensates for both angular and shift camera movements, making it particularly effective for macro photography where even slight movements are magnified. This allows for sharper images, especially in handheld shooting.

How can I troubleshoot autofocus issues with this lens?

If experiencing autofocus issues, ensure the lens and camera contacts are clean. Switch the lens to manual focus and back to autofocus. Check camera settings and update firmware. If problems persist, consider professional servicing.

What maintenance is required for the Canon EF100mm f/2.8L MACRO IS USM Lens?

Regularly clean the lens elements with a microfiber cloth and lens cleaning solution. Keep the lens cap on when not in use. Store the lens in a cool, dry place, and ensure the weather sealing is intact to prevent dust and moisture ingress.

Can this lens be used for non-macro photography?

Yes, the Canon EF100mm f/2.8L MACRO IS USM Lens is versatile and can be used for portraits and other types of photography, providing excellent sharpness and background blur due to its f/2.8 aperture.

How do I clean the front element of the lens safely?

To clean the front element, use a blower to remove dust, then gently wipe with a microfiber cloth and lens cleaning solution. Avoid excessive pressure to prevent scratches.

What should I do if the lens is not recognized by the camera?

Ensure the lens is properly mounted and the contacts are clean. Restart the camera and check for firmware updates. If the issue persists, try the lens on another camera body to determine if the problem is with the lens or the camera.

Is it compatible with all Canon camera bodies?

The Canon EF100mm f/2.8L MACRO IS USM Lens is compatible with all Canon EOS cameras, both full-frame and APS-C models, as it uses the EF mount.

How does the Ultrasonic Motor (USM) benefit this lens?

The Ultrasonic Motor (USM) provides fast, precise, and near-silent autofocus, which is beneficial for capturing delicate subjects like insects without disturbing them. It also allows for full-time manual focus override.