Sigma's superzoom for Sony A — the 18-300mm Contemporary with OS for APS-C travel.
The Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary is Sigma's extreme superzoom for Sony A-mount APS-C cameras. Covering 27-450mm equivalent with OS stabilisation and HSM quiet AF, it provides the ultimate one-lens travel convenience. The Contemporary designation indicates compact design with quality construction above basic alternatives.
Optical performance is typical of extreme superzooms — decent at moderate focal lengths with softening at extremes. OS stabilisation is effective at longer focal lengths. HSM motor provides fast, quiet AF. The macro mode allows closer focusing. The Contemporary build quality is noticeably better than budget alternatives. Centre sharpness is respectable throughout.
Sony A mount, APS-C. Filter thread is 72mm. Weight is approximately 585 grams. Build quality is good Contemporary tier. Benefits from Sony's SteadyShot INSIDE body stabilisation in addition to the lens OS. No weather sealing. The A-mount system is discontinued but adapts to E-mount via LA-EA adapters.
Available on the used market at reasonable prices. Check OS, zoom creep, and AF. A solid superzoom for Sony A-mount APS-C travel use. The dual stabilisation (OS + body SR) provides effective handheld shooting. The A-mount decline keeps prices attractive for the specification offered.