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Canon RF100mm F2.8 L Macro is USM Lens, Medium vs Tamron 70-

Updated July 2026 — Canon RF100mm F2.8 L Macro is USM Lens, Medium wins on weight and focus speed, Tamron 70- wins on price and size.

The Canon RF100mm excels in macro photography, while the Tamron 70-180mm offers versatility at a lower price.

Why Canon RF100mm F2.8 L Macro is USM Lens, Medium is better

Macro Capability

Superior close-up imaging with 1.4x magnification

Image Quality

Exceptional sharpness and bokeh control

Stabilization

5 stops of shake correction for macro shooting

Why Tamron 70- is better

Price

More affordable at $999.00

Versatility

Covers a broader focal range from 70mm to 180mm

Lightweight

Compact design for easier handling

Overall score

Canon RF100mm F2.8 L Macro is USM Lens, Medium
88
Tamron 70-
80

Specifications

SpecCanon RF100mm F2.8 L Macro is USM Lens, MediumTamron 70-
Focal Length100mm70-180mm
Aperturef/2.8f/2.8
Max Magnification1.4x0.3m
StabilizationHybrid ISVC
AutofocusFastVXD

Dimension comparison

Canon RF100mm F2.8 L Macro is USM Lens, MediumTamron 70-

Overview of the Canon RF100mm F2.8 L Macro is USM Lens

The Canon RF100mm F2.8 L Macro is USM Lens is specifically engineered for full-frame EOS R series cameras. Priced at $1,248.95, it is designed as a medium telephoto macro lens that excels in delivering close-up imagery with a maximum magnification of 1.4x. This lens stands out due to its fixed 100mm focal length and bright f/2.8 maximum aperture, which provides excellent low-light performance and beautiful background blur. The built-in optical image stabilization enhances stability, making it a great choice for macro photography and videography.

Overview of the Tamron 70-180mm F/2.8 Di III VC VXD G2

The Tamron 70-180mm F/2.8 Di III VC VXD G2 is a versatile lens designed for Sony E-mount full-frame mirrorless cameras. With a current price of $999.00, this lens covers a broader focal range from 70mm to 180mm, making it suitable for various photography styles, including portrait and landscape photography. Its maximum aperture of f/2.8 allows for impressive depth of field and low-light shooting. Additionally, it features Tamron's proprietary VC image stabilization and a high-speed autofocus system, enhancing shooting performance.

Image Quality Comparison

In terms of image quality, both lenses are engineered to deliver high-definition results, but they approach it differently. The Canon RF100mm is recognized for its exceptional macro capabilities, allowing photographers to capture intricate details at high magnifications. Its spherical aberration control ring enables users to adjust the shape and character of the bokeh, making it ideal for artistic shots.

On the other hand, the Tamron 70-180mm G2 lens is designed to maintain high image quality across its entire zoom range. Its optical design has been revamped to provide clarity and sharpness, making it an excellent choice for capturing subjects at varying distances. While the Canon lens excels in macro photography, the Tamron offers flexibility for a broader range of shooting scenarios.

Autofocus Performance

Autofocus performance is a crucial factor for many photographers, and both lenses excel in this area. The Canon RF100mm features fast and precise autofocus, which is essential for capturing fleeting moments in macro photography. Its hybrid IS system helps to stabilize the lens during close-up shooting, ensuring sharp images.

Conversely, the Tamron 70-180mm is equipped with the VXD (Voice-coil eXtreme-torque Drive) autofocus system, which greatly improves subject tracking. This makes it highly effective for both stills and video work. While both lenses offer impressive autofocus capabilities, the Tamron’s advanced tracking performance may appeal more to those who prioritize speed and versatility.

Stabilization Features

When it comes to stabilization, both lenses offer innovative solutions. The Canon RF100mm is equipped with an optical image stabilizer that provides up to 5 stops of shake correction. This feature is particularly beneficial for macro shooting, where even slight movements can affect image quality.

On the other hand, the Tamron 70-180mm also incorporates its proprietary VC (Vibration Compensation) mechanism, which allows for stable shooting at longer focal lengths. This lens maintains its compact size and weight while providing excellent stability. For photographers who frequently shoot in dynamic environments, both lenses offer substantial stabilization, but the choice may depend on the specific shooting conditions.

Build Quality and Usability

Build quality is a significant consideration for any lens, and both the Canon RF100mm and Tamron 70-180mm are constructed to withstand regular use. The Canon lens boasts a robust design, making it a reliable choice for outdoor photography. Its features, such as the SA control ring, enhance usability for creative control.

The Tamron 70-180mm is also designed with durability in mind, featuring moisture-resistant construction and a fluorine coating for scratch resistance. It also includes a zoom lock switch, enhancing its practicality during transport. While both lenses are built to last, the Tamron's lightweight and compact dimensions make it particularly suitable for photographers who prioritize portability.

Price Comparison

The Canon RF100mm F2.8 L Macro is priced at $1,248.95, while the Tamron 70-180mm F/2.8 is more affordable at $999.00. This price difference of approximately $249.95 makes the Tamron about 17% cheaper than the Canon lens. For photographers on a budget, this may be a significant factor, especially considering that both lenses offer high-quality optics and advanced features.

Which should you buy?

Choosing between the Canon RF100mm F2.8 L Macro is USM Lens and the Tamron 70-180mm F/2.8 Di III VC VXD G2 hinges on your specific photography needs. If you focus primarily on macro photography and prefer a lens that delivers stunning close-up images with beautiful bokeh, the Canon RF100mm is the superior choice. However, if you seek versatility across a broader focal range and a more budget-friendly option, the Tamron 70-180mm offers excellent performance and features at a lower price point. Ultimately, both lenses have their strengths, so your decision should reflect your individual shooting style and requirements.