Comparisons / Comparison of Tamron 28-75mm f/2.8 Di III RXD (Model A036) and Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical IF

Comparison of Tamron 28-75mm f/2.8 Di III RXD (Model A036) and Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical IF [S]ave

Attribute
Tamron 28-75mm f/2.8 Di III RXD (Model A036) ×
Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical IF ×
Filter Size (mm)6767
NotesFor Sony Full-frame E-mount; Dust and moisture resistant.Available mounts: Canon, Minolta-D, Nikon-D, Pentax; Includes petal type lens hood.
Closest Focus (m)0.190.33
Magnification Ratio (x)0.340.26
TypeStandard ZoomStandard Zoom
Length (mm)117.892
APS Equivalent42 - 112.5mm1.5x: 42 - 112.5mm; 1.6x: 44.8 - 120mm
Zoom SystemRotaryRotary, telescoping
Image Circle35mmImage Circle
Focal Length (mm)28.00 - 75.0028.00 - 75.00
BrandTamronTamron
NameTamron 28-75mm f/2.8 Di III RXD (Model A036)Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical IF
Weight (g)550510
Aperture (f)2.80 - 22.002.80 - 32.00
Diaphragm Blades97
Diagonal Angle of View (degree)32.20 - 75.4032.00 - 75.00
Lens Construction15 elements in 12 groups, including 1 special XLD (eXtra Low Dispersion) element, 1 LD (Low Dispersion) element, 1 GM (Glass Molded Aspherical) eleme16 elements in 14 groups, including one Extra Refractive Index element, four Aspherical elements and three Low Dispersion elements
Diameter (mm)7373
Focus DetailsInternal AF with RXD (Rapid eXtra-silent stepping Drive) stepper motor; DMF (Direct Manual Focus) compatibleInternal



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