Sigma Lenses 28-105mm f/2.8-4 FOTOMETROS-MEDIDORES-DE-LUZ normal focal length lens for

normal focal length lens for the Pentax DSLRs it was designed for

suitable for good lighting conditions

Fixed focal length of 50 mm (equivalent to 75 mm on APS-C)

and travel photographers who value dust and moisture resistance

Perfect for photography enthusiasts who want an all-in-one with great reach

Sigma Lenses 28-105mm f/2.8-4 FOTOMETROS-MEDIDORES-DE-LUZ normal focal length lens forThe Sigma 28 105mm f 2. 8 4 is a versatile standard zoom lens designed for DSLR cameras, covering from soft wide angle to short portrait focal lengths. Its variable f 2. 8 4 aperture delivers solid performance in moderate light conditions, while the aspherical construction helps maintain sharpness across the entire focal range. Key Features Focal length: 28 105mm (42 157. 5mm equivalent on APS C) Maximum aperture: f 2. 8 4 (minimum f 22 32) Sigma SA