Means Ultra-Sonic-Motor as referring to the auto-focus motor
If a camera lens has the letters USM printed on it, it means UltraSonic Motor. This means that the motor is built into the body. These lenses tend to cost a little more than a lens without a USM.
The best Canon 85mm lens for portrait photography is the Canon 85mm f/1.8 USM, this is a classic portrait lens, and an excellent companian to full-frame sensor-based DSLRs. The Canon 85mm f/1.8 USM is also lightweight and relatively inexpensive, the lens has an 8-blade aperture, offers pleasing background blur, and a quiet and fast USM autofocus motor.
The main differences between the Canon 18-135mm STM and USM lenses are in their autofocus systems. The STM (Stepping Motor) lens provides smoother and quieter autofocus, making it ideal for video recording. On the other hand, the USM (Ultrasonic Motor) lens offers faster and more precise autofocus, making it better suited for still photography. Additionally, the STM lens may be more budget-friendly, while the USM lens tends to be more expensive.
The Canon EF 1200mm f/5.6L IS USM Super Telephoto Lens costs US$120000
The 100mm l ,f2.8 is usm macro.$1000.00 on amazon.com
The... Canon EF 100mm f2.0 USM
The Canon EF 100-300mm f/4.5-5.6 USM lens is a telephoto zoom lens with a focal length range of 100-300mm and a maximum aperture of f/4.5-5.6. It features Ultrasonic Motor (USM) technology for fast and quiet autofocus. The lens has a minimum focusing distance of 1.5m and a maximum magnification of 0.19x. It is compatible with Canon EF mount cameras and is suitable for capturing distant subjects such as wildlife and sports.
For shooting landscapes, a wide angle lens is best, such as the Canon EF 35mm f/1.4L USM Wide Angle Lens. It will allow you to capture more of the landscape.
The best Canon telephoto lens for capturing sports events is the Canon EF 70-200mm f/2.8L IS III USM.
The Canon EF-S 60mm f/2.8 Macro USM lens is a high-quality lens that is great for macro photography. It offers sharp images and fast autofocus, making it a good choice for capturing detailed close-up shots. Overall, it is a solid option for photographers looking to explore the world of macro photography.
Canon makes the best 50mm camera lens, known as the EF 50mm f/1.8mk2, 50mm f/1.4 USM and 50mm f/1.2L lenses
The Canon EF 70-300mm f/4-5.6 IS II USM lens is a good budget option for sports photography with Canon cameras.