Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF vs Sony DT 18-55mm F3.5-5.6 SAM IIto review specs, pros and cons, and which is right for you.
Tamron 17-50mm f2.8 XR II LD Top Features
- 17-50mm Focal Range
- F2.8 Max Aperture
- Filter Thread: 67mm
- Max Format: APS-C / DX
- Sony Alpha Mount
- Weight: 430g.
- Diameter: 74mm
- Length: 82mm
- Min Focus Distance:0.27m
- Max Magnification:0.22x
Sony DT 18-55mm F3.5-5.6 SAM II Top Features
- 18-55mm Focal Range
- F3.5 – F5.6 Max Aperture
- Filter Thread: 55mm
- Max Format:
- Sony Alpha Mount
- Weight: 222g.
- Diameter: 72mm
- Length: 69mm
- Min Focus Distance:0.25m
- Max Magnification:0.34x
Our Winner: Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF over Sony DT 18-55mm F3.5-5.6 SAM II
Focal Length – Wide
17mm
vs
18mm
1mm Wider coverage
Max Aperture – Wide
2.8
vs
3.5
Wider aperture at wide end
Max Aperture – Tele
2.8
vs
5.6
Wider aperture at tele end
Diaphgragm Blades
7
vs
Potentially more rounded and smooth bokeh
Focus Type
Internal Focusing
vs
Extending front
Length of the lens doesn’t change during focusing
Distance Scale
Yes
vs
No
Distance Scale to assist focusing
Depth-of-Field Scale
Yes
vs
No
Depth of Field scale to assist focusing
Focal Length – Tele
55mm
vs
50mm
5mm more Tele coverage
Optical Zoom
3.10x
vs
2.90x
More flexible focal coverage
Weight
222g
vs
430g
208g lighter
Diameter
72mm
vs
74mm
2mm smaller in diameter
Length
69mm
vs
82mm
13mm shorter
Filter Thread
55mm
vs
67mm
Smaller filters are cheaper and easier to find
Minimum Focus Distance
0.25m
vs
0.27m
can focus closer to the subject
Max Magnification
0.34x
vs
0.22x
higher magnification better for close-up shots
Tamron 17-50mm f2.8 XR II LD vs Sony DT 18-55mm F3.5-5.6 SAM II Specs Table
General
Tamron 17-50mm f2.8 XR II LD
Sony DT 18-55mm F3.5-5.6 SAM II
Brand
Tamron
Sony
Lens Type
Zoom
Zoom
Price
CHECK PRICE
CHECK PRICE
Lens Type
Standard Zoom
Standard Zoom
Lens Mount
Sony Alpha
Sony Alpha
Max Format
APS-C / DX
APS-C / DX
Focal Range
17-50mm
18-55mm
Image Stabilization
No
No
Colour
Black
Unknown
Zoom Method
Rotary (extending)
Rotary (extending)
Power Zoom
–
–
Zoom Lock
Yes
–
Zoom Ratio
2.9X
3.1X
Aperture
Max Aperture
F2.8
F3.5 – F5.6
Min Aperture
F32.0
Aperture Ring
No
No
Diaphragm Blades
7
unknown
Optics
Optical Elements
16
8
Optical Groups
13
7
Special Elements
2 hybrid aspherical elements 1 LD (Low Dispersion) glass element 1 XR
(Extra Refractive) element
unknown
Focusing
Min Focus Distance
0.27m
0.25m
Max Magnification
0.22X
0.34X
Autofocus
Yes
Yes
AF Motor Type
Micromotor
Micromotor
Full Time Manual
Focus Method
Internal
Extending front
Distance Scale
Yes
No
DoF Scale
Yes
No
Distance Scale
Yes
No
Focus Distance Limiter
Unknown
Unknown
Physical Specs
Weight
430g
222g
Diameter
74mm
72mm
Length
82mm
69mm
Materials
Unknown
Unknown
Weather Sealing
Unknown
Unknown
Filter Thread
67mm
55mm
Filter Notes
–
–
Hood Supplied
Yes
No
Hood Code
flower shaped hood
Unknown
Tripod Collar
No
No
Optional Accessories
–
–
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