Compare Olympus 45mm F1.2 Pro vs Olympus 12mm F2 vs Olympus 20mm F1.4 Pro
Construction
Aperture Blades
9 blades
7 blades, Circular aperture diaphragm
9 blades, Circular aperture diaphragm
Colors
Black
Silver
Form Factor
Short Telephoto Prime Lens
Wide-Angle Prime Lens
Normal Prime Lens
Image Size
MFT
MFT
MFT
Lens Barrel
DoF scale
Distance scale, DoF scale
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Material
Magnesium alloy
Metal barrel, metal mount
Motor
Stepper motor
Micromotor
Stepper motor
Optical Formula | Elements
14 elements
11 elements
11 elements
Optical Formula | Groups
10 groups
8 groups
10 groups
Optical Formula | Special Glass
1 ED, 4 HR, 1 aspherical groups
ZERO (ZUIKO Extra-low Reflection Optical) coating groups
1 x Super ED, 3 ED, 2 Super HR, 2 Aspherical groups
Dimensions
Filter Diameter
62 mm / 2.44 in
46 mm / 1.81 in
58 mm / 2.28 in
Size | Diameter
70 mm / 2.76 in
56 mm / 2.20 in
63 mm / 2.48 in
Size | Length
85 mm / 3.35 in
43 mm / 1.69 in
62 mm / 2.44 in
Weight
410 g / 14.49 oz
130 g / 4.59 oz
247 g / 8.73 oz
Function
Angle Of View
27.1° Diagonal | 22.6° Horizontal | 15.2° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
56.8° Diagonal | 48.5° Horizontal | 33.4° Vertical
Aperture
f/1.2 ~ f/16
f/2 ~ f/22
f/1.4 ~ f/16
Autofocus
Yes
Yes
Yes
Crop Factor
2.0
2.0
2.0
Focal Length
45 mm
12 mm
20 mm
Focal Length (35mm Equivalent)
90.0 mm
24.0 mm
40.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
No
Yes
Performance
Max Magnification
0.1x
0.08x
0.11x
Min Focus Distance
500 mm / 19.69 in
200 mm / 7.87 in
250 mm / 9.84 in
Production
Accessory
Lens Hood: LH-66B (supplied)
Lens hood sold separately
Lens Hood: LH-61G (supplied)
Debut
2017-10-25
2011-06-30
2021-11-04
Reviews
Neofiliac score
84%
58%
84%
Pros
- Bright maximum aperture
- Weather-sealed
- Very sharp
- Good rendering
- Compact and lightweight
- Good center sharpness
- Bright maximum aperture
- Light in the hand
- Weather-sealed
- Beautifully constructed
Cons
- Priced like a full-frame portrait lens
- Lens hood not included
- Low maximum magnification
- Lacks weather sealing
- Rather expensive for what it is
- No aperture ring or other features on the barrel
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