Sigma Lenses 28-105mm f/2.8-4 FOTOMETROS-MEDIDORES-DE-LUZ 55 mm filter

55 mm filter

que proporciona velocidades más rápidas para un mejor rendimiento en condiciones de poca luz

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

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

Sigma Lenses 28-105mm f/2.8-4 FOTOMETROS-MEDIDORES-DE-LUZ 55 mm filterThe 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