Canon RF100- vs Tamron 70-

Price Comparison

The Canon RF100-500mm F4.5-7.1 L IS USM Lens is significantly more expensive than the Tamron 70-180mm F/2.8 Di III VC VXD G2, costing $2,898.95 compared to $999.00. This makes the Tamron about 66% cheaper than the Canon, which is a considerable difference that could influence budget-conscious photographers. While the Canon lens offers a much longer focal length range, the price disparity may lead some users to question if the additional investment is justified based on their photography needs.

Focal Length Range

The Canon RF100-500mm lens boasts a remarkable focal length range of 100mm to 500mm, making it ideal for capturing distant subjects such as wildlife and sports. In contrast, the Tamron 70-180mm lens offers a shorter range of 70mm to 180mm, which is suitable for portraits and general photography but may fall short for certain wildlife scenarios. The extended reach of the Canon lens allows for more versatility in outdoor and action photography, appealing to those who require a super-telephoto option.

Aperture Performance

The Tamron 70-180mm lens features a constant aperture of f/2.8 throughout its zoom range, which is beneficial for low-light conditions and achieving a shallow depth of field. On the other hand, the Canon RF100-500mm lens has a variable aperture of f/4.5 to f/7.1, which may limit its performance in dim lighting situations. Photographers who frequently shoot in challenging light may find the Tamron's consistent f/2.8 aperture to be a crucial advantage, allowing for more creative control over their images.

Autofocus Technology

Both lenses employ advanced autofocus technologies, but they differ in the specifics. The Canon RF100-500mm features Dual Nano USM autofocus motors, which provide high-speed, smooth, and quiet focusing capabilities. Meanwhile, the Tamron 70-180mm incorporates VXD (Voice-coil eXtreme-torque Drive), designed for high-speed and high-precision autofocus, along with improved subject tracking. While both systems are effective, those prioritizing speed and accuracy may lean towards the Tamron for its enhanced tracking capabilities, particularly in dynamic shooting environments.

Image Stabilization

The Canon RF100-500mm lens is equipped with a built-in optical image stabilization system that offers up to 5 stops of shake correction. It also features three modes for various shooting scenarios, enhancing creative flexibility. In comparison, the Tamron 70-180mm lens uses TAMRON’s proprietary VC (Vibration Compensation) for stabilization. While both lenses provide effective stabilization, the Canon's multiple modes may offer an edge for those needing versatility during different types of shoot setups.

Build Quality and Weather Resistance

When it comes to build quality, both lenses emphasize durability and resistance to challenging shooting conditions. The Canon RF100-500mm is constructed with L-series standards, which include dust and weather resistance, ensuring reliability in various environments. The Tamron 70-180mm also boasts moisture-resistant construction and a fluorine coating for added protection. While both lenses are built for endurance, the Canon's L-series designation may appeal more to professional photographers who often work in demanding conditions.

Weight and Portability

The Tamron 70-180mm lens is notably lighter, weighing 30.2 ounces, which enhances its portability for travel and extended shooting sessions. In contrast, the Canon RF100-500mm's weight is not specified, but its longer focal length typically results in a bulkier design. Photographers who prioritize mobility may find the Tamron easier to handle over long periods, especially for outdoor shoots where every ounce matters.

Which should you buy?

Ultimately, your choice between the Canon RF100-500mm F4.5-7.1 L IS USM Lens and the Tamron 70-180mm F/2.8 Di III VC VXD G2 should be guided by your specific photography needs and budget. If you require a super-telephoto lens with extensive reach for wildlife or sports photography and are willing to invest significantly, the Canon is the superior option. However, for those looking for a more budget-friendly lens that excels in portraits and low-light conditions with versatile aperture performance, the Tamron presents a compelling choice.