Site Title

Compare Olympus 45mm F1.8 vs Olympus 20mm F1.4 Pro

Reviews

Neo score
67%
84%
Pros
  • Compact and lightweight
  • Smooth rendering
  • Bright maximum aperture
  • Light in the hand
  • Weather-sealed
  • Beautifully constructed
Cons
  • Lens hood not included
  • Lacks weather sealing
  • Not the best build from Olympus
  • No aperture ring or other features on the barrel

Price

MSRP
400 USD
800 USD
Offers (incl. referral links)

Construction

Aperture Blades
7 blades, Circular aperture diaphragm
9 blades, Circular aperture diaphragm
Colors
Silver, Black
Form Factor
Short Telephoto Prime Lens
Normal Prime Lens
Image Size
MFT
MFT
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Material
Plastic barrel, metal mount
Motor
Micromotor
Stepper motor
Optical Formula | Elements
9 elements
11 elements
Optical Formula | Groups
8 groups
10 groups
Optical Formula | Special Glass
2 E-HR glass elements groups
1 x Super ED, 3 ED, 2 Super HR, 2 Aspherical groups

Dimensions

Filter Diameter
37 mm / 1.46 in
58 mm / 2.28 in
Size | Diameter
56 mm / 2.20 in
63 mm / 2.48 in
Size | Length
46 mm / 1.81 in
62 mm / 2.44 in
Weight
116 g / 4.10 oz
247 g / 8.73 oz

Function

Angle Of View
27.1° Diagonal | 22.6° Horizontal | 15.2° Vertical
56.8° Diagonal | 48.5° Horizontal | 33.4° Vertical
Aperture
f/1.8 ~ f/22
f/1.4 ~ f/16
Autofocus
Yes
Yes
Crop Factor
2.0
2.0
Focal Length
45 mm
20 mm
Focal Length (35mm Equivalent)
90.0 mm
40.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes

Performance

Max Magnification
0.11x
0.11x
Min Focus Distance
500 mm / 19.69 in
250 mm / 9.84 in

Production

Accessory
Lens Hood: LH-40B (sold separately), Lens Hood LH-40B
Lens Hood: LH-61G (supplied)
Debut
2011-06-30
2021-11-04
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