The Tamron 24mm f/2.8 Di III OSD M1:2 ($349) is one of three low-cost prime lenses, all with identical housings and 1:2 macro focusing, designed and sold exclusively for use with Sony mirrorless cameras. Despite an asking price that's a downright bargain compared with others, the lens is sturdily built, with dust and splash protection, and has a very sound optical design. Autofocus isn't as speedy or as quiet as pricier alternatives, but if you're shopping on a budget, you won't do much better near this price. The Wide Standard With more and more photographers cutting their teeth with smartphone cameras, what's been thought of as a standard angle prime has been redefined. For photographers who feel limited by the confines of the traditional 50mm standard prime, a good wide prime can be your everyday lens. The 24mm focal length here is just a smidge wider than the main lens on your iPhone, and matches the widest setting on the de facto standard pro zoom design, the 24-70mm f/2.8....
The Tamron 24mm f/2.8 Di III OSD M1:2 lens is a strong value proposition for Sony photographers, delivering excellent images and quality construction at a bargain price.
Affordable; Compact; Outstanding sharpness; Dust, splash, and fluorine protection
Barrel distortion and vignette may require correction; Slow, audible autofocus; Exhibits focus breathing effect