Compare Olympus 150-400mm F4.5 vs Fujifilm GF 250mm F4 vs Fujifilm GF 35-70mm F4.5-5.6
Construction
Aperture Blades
9 blades
9 blades
9 blades
Colors
White
Black
Black
Form Factor
Super Telephoto Zoom Lens
Medium Telephoto Prime Lens
Zoom Lens
Image Size
MFT
Medium Format (44x33)
Medium Format (44x33)
Lens Barrel
Focus limiter, Tripod collar
Physical aperture ring, Tripod collar
Lens Mount
Micro Four Thirds-mount
Fujifilm G-mount
Fujifilm G-mount
Material
Magnesium alloy
Magnesium alloy
Motor
Stepper motor
Linear Motor
Stepper motor
Optical Formula | Elements
28 elements
16 elements
11 elements
Optical Formula | Groups
18 groups
10 groups
9 groups
Optical Formula | Special Glass
1 EDA + 4 super ED + 2 ED + 2 HR + 1 HD elements, Z Nano Coating groups
1 Super ED + 2 ED elements groups
1 aspherical + 2 ED groups
Dimensions
Filter Diameter
95 mm / 3.74 in
82 mm / 3.23 in
62 mm / 2.44 in
Size | Diameter
116 mm / 4.57 in
108 mm / 4.25 in
85 mm / 3.35 in
Size | Length
214 mm / 8.43 in
204 mm / 8.03 in
74 mm / 2.91 in
Weight
1875 g / 66.25 oz
1425 g / 50.35 oz
390 g / 13.78 oz
Function
Angle Of View
8.3° Diagonal | 6.9° Horizontal | 4.6° Vertical (wide) ~ 3.1° Diagonal | 2.6° Horizontal | 1.7° Vertical (tele)
12.5° Diagonal | 10.4° Horizontal | 7.0° Vertical
76.1° Diagonal | 66.1° Horizontal | 46.9° Vertical (wide) ~ 42.8° Diagonal | 36.1° Horizontal | 24.5° Vertical (tele)
Aperture
f/4.5 ~ f/22 / f/5.6 ~ f/29 with built-in teleconverter
f/4 ~ f/32
f/4.5–5.6 ~ f/32
Autofocus
Yes
Yes
Yes
Crop Factor
2.0
0.8
0.8
Focal Length
150 mm ~ 400 mm / 187.5 mm ~ 500 mm with built-in teleconverter
250 mm
35 mm ~ 70 mm
Focal Length (35mm Equivalent)
300.0 mm ~ 800.0 mm / 375 mm ~ 1000 mm with built-in teleconverter
197.5 mm
27.7 mm ~ 55.3 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes (4.5 stops)
Yes (5 stops)
No
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
0.71x
0.22x
0.28x
Min Focus Distance
1300 mm / 51.18 in
1400 mm / 55.12 in
350 mm / 13.78 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2019-01-24
2018-04-12
2021-09-02
Reviews
Neofiliac score
48%
62%
71%
Pros
- Built-in 1.25x teleconverter
- Optically stabilized
- Superb autofocus
- Zoom lock prevents zoom creep
- High maximum magnification
- Weather-sealed
- Comes with a tripod collar
- Superb image quality
- Optically stabilized
- Weather-sealed
- Comes with physical aperture ring
- Comes with a tripod collar
- The longest lens on G-mount
- Superb image quality
- Weather-sealed
- Smart collapsible design
Cons
- Large and heavy for MFT
- Priced too high
- Large and heavy
- Dark and variable maximum aperture
- External zoom without zoom lock
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