Comparisons / Comparison of Canon EF 28-105mm f/3.5-4.5 II USM and Pentax 18-135mm ƒ/3.5-5.6 ED AL [IF] DC WR SMC DA

Comparison of Canon EF 28-105mm f/3.5-4.5 II USM and Pentax 18-135mm ƒ/3.5-5.6 ED AL [IF] DC WR SMC DA [S]ave

Attribute
Pentax 18-135mm ƒ/3.5-5.6 ED AL [IF] DC WR SMC DA ×
Canon EF 28-105mm f/3.5-4.5 II USM ×
Diagonal Angle of View (degree)11.90 - 76.0023.50 - 75.00
Filter Size (mm)6258
Aperture (f)3.50 - 40.003.50 - 27.00
Closest Focus (m)0.40.5
Magnification Ratio (x)0.240.19
NotesWeather-resistant. Included Accessories: Lens Hood-
TypeStandard ZoomStandard Zoom
APS Equivalent27.5 - 207mm45 - 168mm
Diaphragm Blades77
Image CircleAPS-C35mm
Focal Length (mm)18.00 - 135.0028.00 - 105.00
BrandPentaxCanon
NamePentax 18-135mm ƒ/3.5-5.6 ED AL [IF] DC WR SMC DACanon EF 28-105mm f/3.5-4.5 II USM
Weight (g)405375
Zoom SystemRotaryRotary
Lens Construction13 elements in 11 groups, including 1 ED ands 2 aspherical elements15 elements in 12 groups
Diameter (mm)7372
Length (mm)7675
Diaphragm Blades Typerounded-
Focus DetailsInternal with "Quick Shift" AF/MF mechanism and DC motorInner focusing; full-time manual focus and USM



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