My Camera and Lens Reviews

TEST ZONE

Canon EF 75-300mm MarkIII USM

Canon EF IS 55-250mm

Canon EF 50mm f/1.8 MarkII

Canon EF IS 18-55mm MarkII

Canon EF 17-40mm f/4 L USM

Specifications

Focal Length & Maximum
Aperture:
75-300mm
1:4-5.6

Lens Construction:

13 elements in 9
groups

Diagonal Angle of
View:
32º 11' - 8º
15'

Focus Adjustment:

Front group rotating extension system
with USM

Closest Focusing
Distance:
1.5m / 4.9
ft.

Zoom System:

Rotating type

Filter Size:

58mm

Max. Diameter x Length,
Weight:
2.8" x 4.8", 16.8 oz. / 71.0 x 122mm,
480g

Focal
Length & Maximum Aperture
55-250mm
f/4-5.6

Lens
Construction
12 elements in
10 groups, including one UD-glass element

Diagonal
Angle of View
27° 50'- 6° 15'
(with APS-C image sensors)

Focus
Adjustment
DC motor,
gear-driven (front focusing design)

Closest
Focusing Distance
3.6 ft./1.1m
(maximum close-up magnification 0.31x)

Filter
Size
58mm

Max.
Diameter x Length, Weight
2.8 in. x 4.3
in./70 x 108mm (maximum lens length); 13.8 oz./390g

N/A

Focal Length
& Maximum Aperture
18-55mm
f/3.5-5.6

Lens
Construction
11 elements in
9 groups

Diagonal Angle
of View
74° 20' - 27°
50'

Focus
Adjustment
AF (DC motor),
with manual focus option

Closest
Focusing Distance
9.8
in./0.25m

Filter
Size
58mm,
P=0.75mm/1 filter

Max. Diameter x
Length, Weight
2.7 in. x 3.33
in./68.5mm x 84.5mm (maximum lens length), 7.1 oz.
(200g)

Focal Length & Maximum
Aperture:
17-40mm 1:4

Lens Construction:

12 elements in 9
groups

Diagonal Angle of
View:
104° - 57° 30'

Focus Adjustment:

Inner focusing system with
USM

Closest Focusing
Distance:
0.28m / 0.9 ft.

Zoom System:
Rotating Type

Filter Size:
77mm

Max. Diameter x Length,
Weight:
3.3" x 3.8", 1.1 lbs. / 83.5mm x
96.8mm, 500g