Canon EF 28-105mm F3.5-4.5 USM Specifications

Compatibility:

analog/digital

Diagonal Angle of View:

75° - 23.2°

Maximum Magnification:

1:5.3

Minimum Aperture:

F22 - F27

Number of Aperture Blades:

5/7*

Iris Pattern:

polygonal

Minimum Distance:

50cm

Filter Thread:

58mm

Maximum Diameter:

72mm

Length:

75mm

Weight:

375g

Focus Type:

Ring-USM, Super Inner Cam (inner focusing mechanism with floating elements)

Dual Pixel CMOS AF:

not supported (camera will switch to Contrast AF)

Zoom Type:

rotary

E-TTL II Distance Information:

yes

IR Capability:

reported by IR Forum

Lens Hood:

EW-63 (+63II (size: 81 x 40mm))

Produced:

1992 - 2000

Tests:

PhotoZone tested on EOS 350D; DxO Labs; Photodo

Additional Information:

The front lens protrudes far into the filter thread - a distance ring might be required to use some filters (esp. effect or closeup lenses, true for B+W +10 Close Up lenses for example).

*An early version had 5, the later version had 7 aperture blades. The early version has a flower shaped symbol for Macro position printed on the barrel, where the later version just reads "Macro".