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Manufacturer
Sigma
Pentax
Sony
Tamron
Tamron
Model
18-250 mm f/3.5-6.3 DC OS HSM
smc DA 18-250 mm f/3.5-6.3 ED AL [IF]
DT 18-250 mm f/3.5-6.3
AF 18-250 mm f/3.5-6.3 Di II LD Aspherical (IF)
AF 18-270 mm f/3.5-6.3 Di II VC LD Asph. (IF) MACRO
Lenst style
Universal zoom
Universal zoom
Universal zoom
Universal zoom
Universal zoom
Focal length
18 - 250 mm
18 - 250 mm
18 - 250 mm
18 - 250 mm
18 - 270 mm
Maximum aperture
f/3.5 - 6.3
f/3.5 - 6.3
f/3.5 - 6.3
f/3.5 - 6.3
f/3.5 - 6.3
Angle of view
69.3 - 5.7
o
76 - 6.5
o
76.5 - 6.5
o
75.5 - 6.3
o
74 - 5.8
o
Closest focusing distance
0.45 m
0.45 m
0.45 m
0.45 m
0.49 m
Maximum magnification
1:3.4
0.28
1:3.45
1:3.45
1:3.5
Minimum aperture
22
45
22
22
22
Diaphragm blades
7
7
7
7
7
Auto focus type
HSM
AF
AF
AF
AF
Lens Construction
18 elements / 14 group
16 elements / 13 group
16 elements / 13 group
16 elements / 13 group
18 elements / 13 group
Filter diameter
72 mm
62 mm
62 mm
62 mm
72 mm
Macro Yes/No
No
No
No
No
Yes
Stabilization
Yes
No
No
No
Yes
Available mounts
Nikon F
Sony A / Minolta
Sigma
Pentax K
Canon EF-S
Pentax K
Sony A / Minolta
Nikon F
Sony A / Minolta
Pentax K
Canon EF-S
Nikon F
Canon EF-S
Dimensions
79 x 101 mm
75 x 85.5 mm
86 x 75 mm
84.3 x 74.4 mm
101 x 80 mm
Weight
630 g
455 g
440 g
430 g
550 g
Additional information
Anounced: September 2007
Score [max 5.00]
4.33 (4)
No score
4.00 (2)
3.00 (1)
4.08 (4)
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