Compare Olympus 300mm F4 IS Pro vs Panasonic G 42.5mm F1.7 vs Panasonic G 25mm F1.7
Construction
Aperture Blades
9 blades
7 blades, Rounded blades
7 blades, Circular blades
Colors
Black
Form Factor
Super Telephoto Prime Lens
Short Telephoto Prime Lens
Normal Prime Lens
Image Size
MFT
MFT
MFT
Lens Barrel
Focus limiter, Tripod collar
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Motor
Micro-type ultrasonic
Stepper motor
Stepper motor
Optical Formula | Elements
17 elements
10 elements
8 elements
Optical Formula | Groups
10 groups
8 groups
7 groups
Optical Formula | Special Glass
Three super ED, one extra-high refractive, three high refractive elements + ZERO nano coating groups
1 aspherical element groups
2 aspherical + 1 UHR element groups
Dimensions
Filter Diameter
77 mm / 3.03 in
37 mm / 1.46 in
46 mm / 1.81 in
Size | Diameter
93 mm / 3.66 in
55 mm / 2.17 in
61 mm / 2.40 in
Size | Length
227 mm / 8.94 in
50 mm / 1.97 in
52 mm / 2.05 in
Weight
1270 g / 44.88 oz
130 g / 4.59 oz
125 g / 4.42 oz
Function
Angle Of View
4.1° Diagonal | 3.4° Horizontal | 2.3° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/4 ~ f/22
f/1.7 ~ f/22
f/1.7 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
2.0
2.0
2.0
Focal Length
300 mm
42.5 mm
25 mm
Focal Length (35mm Equivalent)
600.0 mm
85.0 mm
50.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
Yes
No
Weather Resistance
Yes
No
No
Performance
Max Magnification
0.24x
0.2x
0.14x
Min Focus Distance
1400 mm / 55.12 in
310 mm / 12.20 in
250 mm / 9.84 in
Production
Accessory
Lens hood included
Lens hood sold separately
Lens hood included
Debut
2016-01-06
2015-02-23
2015-09-02
Model Name
H-HS043
H-H025
Reviews
Neofiliac score
39%
69%
60%
Pros
- 600mm equivalent reach
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Good autofocus
- Very sharp
- Optically stabilized
- Light in the hand
- Good rendering
- Compact and lightweight
- Good but not special optically
Cons
- Large and heavy
- Rather expensive
- Lens hood not included
- Lacks weather sealing
- Lacks weather sealing
- Average build quality
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