Table 1 Main specifications of drones (cameras) used in this study
Phantom 2 Vision + | Inspire 1 | Phantom 4 | Zenmuse Z3 (camera) | ||
|---|---|---|---|---|---|
Weight | 1242 g | 2395 g | 1380 g | – | |
flight time | About 25 min | About 18 min | About 28 min | – | |
Operating distance (from remote controller) | 0.4–0.8 km | 3.5–5 km | 3.5–5 km | – | |
Max flight speed | 15 m/s (not recommended) | 22 m/s (ATTI mode, no wind) | 20 m/s (S-mode) | – | |
Max flight altitude | About 762 m | 4500 m | 6000 m | – | |
Camera spec. | Sensor | 1/2.3” | 1/2.3” CMOS | 1/2.3” CMOS | 1/2.3” CMOS |
Lens | 20 mm (guessed) f/2.8 | 20 mm (35 mm format equivalent) f/2.8 focus at ∞ 9 Elements in 9 groups Anti-distortion | FOV 94° 20 mm (35 mm format equivalent) f/2.8 focus at ∞ | ×3.5 optical zoom, 22–77 mm equivalent F2.8 (Wide–F5.2 (Tele) | |
FOV | 110°/85° | 94° | 94° | 92° (Wide)–35° (Tele) | |
ISO range | 100–400 (photo) | 100–3200 (video) 100–1600 (photo) | 100–3200 (video) 100–1600 (photo) | 100–3200 (video) 100–1600 (photo) | |
Image size (photo resolution) | 4384 × 3288 | 4000 × 3000 | 4000 × 3000 | 4:3 L: 12 M, 4000 × 3000 16:9 L: 9 M, 4000 × 2250 | |
Effective pixels | 14 M | 12.4 M | 12.4 M | 12.4 M | |
Video recording (video resolution) | HD: 1080 × 720 30p | UHD (4K): 4096 × 2160 24/25p, 3840×2160 24/25/30p FHD: 1920 × 1080 24/25/30/48/50/60p HD: 1280 × 720 24/25/30/48/50/60p | UHD: 4096 × 2160 (4K) 24/25p, 3840 × 2160 (4K) 24/25/30p, 2704 × 1520 (2.7K) 24/25/30p FHD: 1920 × 1080 24/25/30/48/50/60/120p HD: 1280 × 720 24/25/30/48/50/60p | UHD: 4K (4096 × 2160) 24/25p, 4K (3840 × 2160) 24/25/30p 2.7K (2704 × 1520) 24/25/30p FHD: 1920 × 1080 24/25/30/48/50/60p | |
Note | This camera is dedicated to this model | This camera is dedicated to this model | This camera is dedicated to this model | This camera can be mounted on and detached from Inspire 1 | |