Comparison of Canon EF 135mm f/2.8 Soft Focus and Tamron AF 28-105mm f/4-5.6 IF [S]ave
| Attribute |  Canon EF 135mm f/2.8 Soft Focus × |  Tamron AF 28-105mm f/4-5.6 IF × |
|---|---|---|
| Filter Size (mm) | 52 | 62 |
| Aperture (f) | 2.80 - 32.00 | 4.00 - 22.00 |
| Closest Focus (m) | 1.3 | 0.5 |
| Magnification Ratio (x) | 0.12 | 0.18 |
| Type | Telephoto Prime Soft Focus | Standard Zoom |
| Focus Details | Inner focusing | Internal |
| APS Equivalent | 216mm | 1.5x: 42-157.5mm; 1.6x: 44.8-168mm |
| Notes | - | Available AF Mounts: Canon, Minolta, Nikon; Included Accessories: Lens Hood |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 135.00 | 28.00 - 105.00 |
| Brand | Canon | Tamron |
| Name | Canon EF 135mm f/2.8 Soft Focus | Tamron AF 28-105mm f/4-5.6 IF |
| Weight (g) | 390 | 305 |
| Diagonal Angle of View (degree) | 18.00 | - |
| Diaphragm Blades | 6 | 6 |
| Diameter (mm) | 69 | 71 |
| Length (mm) | 98 | 73 |
| Zoom System | - | Rotary |
| Lens Construction | 7 elements in 6 groups, including 1 aspherical element; Super Spectra coatings | 15 elements in 12 groups |
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