Canon calls this the Canon EF 28mm f/1.8 USM. EF: Electronic Focus. All modern Canon lenses focus with a motor in the lens. USM: Ultra-Sonic Motor: The focus motor operates silently. There's no "USM" on the lens, instead it says "Ultrasonic" in gold. Focal Length. 28mm. The Canon EF 24mm ƒ/2.8 pre-dates USM technology, and uses the older AFD motor. Canon EF 24mm f/2.8 User Reviews. the 24/2.8 is a very nifty little lens, packing a quite an optical wallop As of review time, you can easily buy 6 of these lenses for the price of just one Canon 14mm f/2.8L II Lens and 5 for the price of one Nikon 14mm f/2.8. Note that, with the focus confirmation chip, the Nikon version of the Samyang 14 is modestly more expensive and that this higher price is factored into these comparisons. Sigma Releases New Instant Savings Promotion, Numerous DSLR Lenses Included. Apple Airtag 4-Pack — Only $78.99 (Reg. $99.00) Just Posted: Canon RF-S 10-18mm F4.5-6.3 IS STM Lens Review. In Today's B&H Deal Zone: Manfrotto Pro Light Reloader Tough-55 Hard Roller Case – Only $179.88 (Save $190.00), Lookout Camera Straps. Weight. 280 g (0.62 lb ) Diameter. 68 mm (2.69 ″ ) Length. 56 mm (2.19 ″ ) Materials. Plastic barrel, metal mount. Sealing. Canon EF 11-24mm f/4L USM Verdict. Those simply looking for a high quality wide angle lens, may be looking a this optic with great interest, and the high levels of sharpness, reasonable distortion bWdb02e. The lens can focus as close as 9.8 inches (0.25 meters), resulting in a maximum magnification of 0.2x at 20mm, which is slightly worse than the EF 11-24mm lens (0.16x) and the RF 14-35mm f/4 (0.38x). The title of the widest AF-capable rectilinear lens on the market has belonged to Canon for a long time with their EF 11-24mm F/4 L USM. Well, the king has been surpassed with today’s Weight. 280 g (0.62 lb ) Diameter. 68 mm (2.69 ″ ) Length. 56 mm (2.19 ″ ) Materials. Plastic barrel, metal mount. Sealing. Canon calls this the CANON MACRO LENS EF 100mm f/2.8 USM: MACRO: Focuses to just a few inches. EF: "Electronic Focus," meaning that there is an autofocus motor in the lens itself. All Canon lenses since 1987 have been EF. USM: Ultra-Sonic Motor, meaning AF is almost silent. Optics specifications top The Canon RF 16mm F2.8 STM Lens vs. Canon RF 15-35mm F2.8 L IS USM Lens comparison shows the prime lens to be dramatically smaller and lighter than the zoom. Correspondingly, the RF 16 uses smaller filters (43mm vs. 82mm) and has a higher maximum magnification (0.26x vs. 0.21x). The RF 15-35 has image stabilization, an AF/MF switch, separate Key features. Performance. Lab results. Verdict. The full-frame compatible Canon EF 24mm f/2.8 IS USM has the same focal length and aperture rating as Canon’s EF-S 24mm f/2.8 STM pancake lens, the latter being designed for APS-C format DSLRs. The full-frame ‘EF’ lens is still reasonably compact and easily manageable at 68x56mm and 280g.

canon ef 24mm f 2.8 is usm lens review