A Selection Of Pro Medium-Range Zoom Lenses Elements/ Max. Filter Street Groups MFD Magnif. Size Dimensions Weight Price Mounts For Full-Frame DSLR (can also be used on APS-C) Canon EF 24-70mm ƒ/2.8L IS II USM 18/13 1.3 ft. 0.21X 82mm 3.5x4.4 in. 28.4 oz. $1,999 Ca Nikon AF-S Nikkor 24-70mm ƒ/2.8G ED 15/11 1.2 ft. 0.27X 77mm 3.3x5.2 in. 31.7 oz. $1,889 Ni Sigma 24-70mm ƒ/2.8 IF EX DG HSM 14/12 1.3 ft. 0.19X 82mm 3.5x3.7 in. 27.9 oz. $899 CaNiPeSiSo Sony Vario-Sonnar T* 24-70mm ƒ/2.8 ZA SSM 17/13 1.1 ft. 0.25X 77mm 3.3x4.4 in. 35.0 oz. $1,899 So Tamron SP 24-70mm ƒ/2.8 Di VC USD 17/12 1.3 ft. 0.20X 82mm 3.5x4.3 in. 29.1 oz. $1,299 CaNiSo Tokina AT-X 24-70mm ƒ/2.8 PRO FX TBA Canon EF 24-70mm ƒ/4L IS USM 15/12 1.3 ft. 0.21X 77mm 3.3x3.7 in. 21.0 oz. $999 Ca Canon EF 24-105mm ƒ/4L USM 18/13 1.5 ft. 0.23X 77mm 3.3x4.2 in. 23.6 oz. $1,149 Ca Sigma 24-105mm ƒ/4 DG (OS) HSM / A 19/14 1.5 ft. 0.22X 82mm 3.5x4.3 in. 31.2 oz. $899 CaNiSiSo Nikon AF-S Nikkor 24-120mm ƒ/4G ED VR 17/13 1.5 ft. 0.24X 77mm 3.3x4.1 in. 25.0 oz. $1,299 Ni Sony 28-75mm ƒ/2.8 SAM 16/14 1.3 ft. 0.22X 67mm 3.1x3.8 in. 20.0 oz. $899 So Tamron SP 28-75mm ƒ/2.8 XR Di 16/14 1.1 ft. 0.26X 67mm 2.9x3.9 in. 18.0 oz. $499 CaNiPeSo For APS-C DSLRs (1.5X focal-length factor) Pentax DA* 16-50mm ƒ/2.8 ED AL (IF) SDM 15/12 1.0 ft. 0.21X 77mm 3.3x3.9 in. 19.9 oz. $1,299 Pe Sony DT 16-50mm ƒ/2.8 SSM 16/13 1.0 ft. 0.20X 72mm 3.1x3.5 in. 20.4 oz. $749 So Sigma 17-50mm ƒ/2.8 EX DC (OS) HSM 17/13 0.9 ft. 0.20X 77mm 3.3x3.6 in. 19.9 oz. $519 CaNiPeSiSo Tamron SP 17-50mm ƒ/2.8 XR Di II VC 19/14 1.0 ft. 0.21X 72mm 3.1x3.7 in. 20.2 oz. $649 CaNi Tamron SP 17-50mm ƒ/2.8 XR Di II 16/13 0.9 ft. 0.22X 67mm 2.9x3.3 in. 15.2 oz. $499 CaNiPeSo Canon EF-S 17-55mm ƒ/2.8 IS USM 19/12 1.2 ft. 0.17X 77mm 3.3x4.4 in. 22.8 oz. $879 Ca Nikon AF-S Zoom-Nikkor 17-55mm ƒ/2.8G IF-ED 14/10 1.2 ft. 0.20X 77mm 3.4x4.4 in. 26.6 oz. $1,539 Ni Pentax DA 17-70mm ƒ/4 AL (IF) SDM 17/12 0.9 ft. 0.31X 67mm 3.0x3.7 in. 17.1 oz. $599 Pe For Full-Frame Mirrorless Samsung NX 16-50mm ƒ/2-2.8 ED OIS 18/12 1.0 ft. 0.19X 72mm 3.2x3.8 in. 21.1 oz. $1,149 NX Sony Vario-Tessar T* FE 24-70mm ƒ/4 ZA OSS 12/10 1.3 ft. 0.20X 67mm 2.9x3.8 in. 15.1 oz. $1,199 SoFE Sony FE PZ 28-135mm ƒ/4 G OSS 1.3 ft. 0.15X 95mm 4.0x6.5 in. 42.9 oz. $2,499 SoFE For APS-C Mirrorless Fujifilm XF 16-55mm ƒ/2.8 R LM WR 17/12 2.0 ft. 0.16X 77mm 3.3x4.2 in. 23.0 oz. $1,199 XF Sony Vario-Tessar T* 16-70mm ƒ/4 ZA OSS 16/12 1.2 ft. 0.23X 55mm 2.6x3.0 in. 10.9 oz. $999 SoE Sony E PZ 18-105mm ƒ/4 G OSS 16/12 1.5 ft. 0.11X 72mm 3.1x4.4 in. 15.1 oz. $599 SoE For Micro Four Thirds (2.0X focal-length factor) Panasonic Lumix G X Vario 12-35mm ƒ/2.8 14/9 0.8 ft. 0.17X 58mm 2.7x2.9 in. 10.8 oz. $899 MFT Olympus M.Zuiko ED 12-40mm ƒ/2.8 PRO 14/9 0.7 ft. 0.30X 62mm 2.8x3.3 in. 13.5 oz. $899 MFT Mounts: Ca = Canon EF; FX = Fujifilm; Ni = Nikon F; NX = Samsung; Pe = Pentax K; Si = Sigma SA; So = Sony (and Konica Minolta) A; MFT = Micro Four Thirds