Compare Panasonic DG 25-50mm F1.7 vs Panasonic DG 100-400mm F4.0-6.3
Construction
Aperture Blades
9 circular aperture diaphragms
9 blades, Circular blades
Colors
Black
Form Factor
Super Telephoto Zoom Lens
Image Size
Full-frame
MFT
Lens Barrel
Focus limiter, Tripod collar
Lens Mount
Micro Four Thirds mount
Micro Four Thirds-mount
Motor
Micromotor
Optical Formula | Elements
16 elements
20 elements
Optical Formula | Groups
11 groups
13 groups
Optical Formula | Special Glass
1 aspherical lens, 3 ED lenses, 1 UHR lens groups
1 aspherical ED, 1 UED, 2 ED elements groups
Dimensions
Filter Diameter
77 mm
72 mm / 2.83 in
Size | Diameter
87.6 mm
83 mm / 3.27 in
Size | Length
127.6 mm
172 mm / 6.77 in
Weight
654 g
985 g / 34.81 oz
Function
Angle Of View
47° ~ 24°
12.4° Diagonal | 10.3° Horizontal | 6.9° Vertical (wide) ~ 3.1° Diagonal | 2.6° Horizontal | 1.7° Vertical (tele)
Aperture
F/1.7 ~ f/16
f/4–6.3 ~ f/22
Autofocus
Yes
Crop Factor
2.0
Focal Length
0.28 m / 0.92 ft @ 25mm, 0.31 m / 1.02 ft @ 50mm
100 mm ~ 400 mm
Focal Length (35mm Equivalent)
50-100 mm
200.0 mm ~ 800.0 mm
Focus Type
Extending front
Image Stabilization
Yes
Operating Temperature
-10°C ~ 40°C
Weather Resistance
Dust, moisture
Yes
Zoom Type
External zoom
External zoom (zoom lock available)
Performance
Max Magnification
0.21x @ 50mm
0.25x
Min Focus Distance
0.37 m
1300 mm / 51.18 in
Production
Accessory
Lens hood included
Debut
2021-07-08
2016-01-05
Model Name
H-X2550
H-RS100400
Reviews
Neofiliac score
50%
Pros
- Amazing 800mm equivalent reach
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Comes with a tripod collar
- Superb sharpness
Cons
- Dark maximum aperture
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