| Designation | Leica Q3 | 
| Camera type | Digital 35mm compact camera | 
| Type No. | 6506 | 
| Order No. | 19080 EU/US/CN, 19081 JP, 19082 ROW | 
| Buffer memory | 8 GB | 
| Frame Rate & Buffer Depth | 15 fps: 63 DNG, 63 DNG + JPG, 67 JPG 9 fps:  70 DNG, 66 DNG + JPG, 76 JPG
 7 fps:  74 DNG, 69 DNG + JPG, 83 JPG
 4 fps:  83 DNG, 72 DNG + JPG, 104 JPG
 2 fps: 164 DNG, 88 DNG + JPG, 947 JPG
 | 
| Storage medium | UHS-II (recommended), UHS-I, SD/SDHC/SDXC memory card | 
| Material | Full metal housing: magnesium die-cast, leather covering, protection type IP52 | 
| Operating conditions | 0°C to +40°C | 
| Interfaces | ISO accessory shoe with additional control contacts for Leica flash units, HDMI jack Type D, USB 3.1 Gen 2 Type C up to 10 Gbps | 
| Tripod thread | A 1⁄4 DIN 4503 (1⁄4”) with stainless steel in the base | 
| Dimensions | 130mm wide, 80.3mm high, 92.6mm deep | 
| Weight | Approx. 743 g/658 g (with/without battery) | 
| Sensor | CMOS sensor, 62.39 MP/60.3 MP (total/effective) | 
| Processor | Leica Maestro IV | 
| Filter | RGB color filter, UV/IR filter, no low-pass filter | 
| File formats | Photo: DNG™ (raw data), DNG + JPG, JPG (DCF 2.0, Exif 2.31) | 
| Image resolution | 
| DNG™ | L-DNG: 9520 x 6336 pixels (60.3 MP) M-DNG: 7404 x 4928 pixels (36.5 MP)
 S-DNG: 5288 x 3518 pixels (18.6 MP)
 
 | 
| JPG | L-JPG: 9520 x 6336 pixels (60.3 MP) M-JPG: 7392 x 4928 pixels (36.4 MP)
 S-JPG: 5280 x 3512 pixels (18.5 MP)
 | 
| File size | DNG™: approx. 70 MB, depending on resolution and image content 
 JPG: depending on resolution and image content
 | 
| Color depth | DNG™: 14 bit, JPG: 8 bit | 
| Color space | Photo: sRGB | 
| Lens | Leica Summilux 28mm f/1.7 ASPH, 11 lenses in 9 segments, 3 aspherical lens areas | 
| Lens filter thread | E49 | 
| Digital zoom | Approx. 1.25x (equiv. to 35 mm) Approx. 1.8x (equiv. to 50 mm)
 Approx. 2.7x (equiv. to 75 mm)
 Approx. 3.2x (equiv. to 90 mm)
 | 
| Crop Modes | 28mm: 60 MP 35mm: 39 MP
 50mm: 19 MP
 75mm:  8 MP
 90mm:  6 MP
 | 
| Image stabilization | Visual compensation system for photos and video recordings | 
| Aperture range | f/1.7 to f/16 in 1⁄3 EV increments | 
| Viewfinder (EVF) | Resolution: 5,760,000 dots, 120 fps, magnification: 0.79x at aspect ratio: 4:3 / 0.76x at aspect ratio: 3:2, frame coverage: 100%, exit pupil position: 20.75 mm, setting range -4/+2 diopter, with eye sensor for automatic switchover between viewfinder and LCD panel, time delay 0.005 s | 
| LCD panel | 3” TFT LCD, approx. 1,843,200 dots, 384 ppi, aspect ratio 3:2, touch panel | 
| Shutter type | Mechanical central shutter or optional electronic shutter | 
| Shutter speeds | Mech. shutter: 120 s to 1⁄2000s Electro. shutter function: 1 s to 1⁄16000 s
 Flash Synchronization: up to 1⁄2000 s
 | 
| Shutter button | Two-stage (1st stage: Activation of the camera electronics including autofocus and exposure metering, 2nd stage: Taking the picture) | 
| Self-timer | Delay time: 2 s or 12 s | 
| Drive Mode | Single, Interval Shooting, Exposure Bracketing | 
| Continuous shooting | 2 fps / 14 bit / AF 4 fps / 14 bit / AF
 
 Automatic settings (exposure settings in operating modes P/A/S, automatic white balance and autofocus) are implemented individually for each frame.
 
 7 fps / 14 bit
 9 fps / 12 bit
 15 fps / 12 bit
 
 Automatic settings (exposure settings in operating modes P/A/S, automatic white balance and autofocus) are implemented for the first frame, and are then applied for each subsequent frame in the same picture series.
 | 
| Focus range | 30 cm to ∞ With macro setting: from 17 cm
 | 
| Focus mode | Automatic or manual (With manual setting: optional magnifying glass function (Auto Magnification) and edge marking (Focus Peaking) available as focus assist) | 
| Autofocus system | Hybrid-AF due to combination of contrast metering, depth mapping, and phase comparison metering with AF metering points in the sensor. | 
| Autofocus modes | Intelligent AF (autonomously selects AFs and AFc), AFs, AFc, AF setting can be saved, optional Touch AF | 
| Autofocus metering methods | Spot (can be shifted), Field (can be shifted and scaled), Multi-Field, Zone (can be shifted), Eye/Face/Body Detection, Eye/Face/Body + Animal Detection, Tracking | 
| Autofocus metering fields | 315 | 
| Exposure metering | TTL (exposure metering through the lens), with working aperture | 
| Metering principle | Exposure metering is done by the image sensor for all exposure metering methods | 
| Exposure metering methods | Spot, Center-Weighted, Highlight-Weighted, Multi-Field | 
| Exposure modes | Program AE mode (P) Aperture-priority mode (A): manual aperture setting
 Shutter-priority mode (S): manual shutter-speed setting
 Manual (M): manual setting for shutter speed and aperture
 Various fully automated variants (Scene Mode): AUTO, Sport, Portrait, Landscape, Night Portrait, Snow/Beach, Fireworks, Candlelight, Sunset, Digiscoping
 | 
| Exposure compensation | ±3 EV in 1⁄3 EV increments | 
| Automatic bracketing | 3 or 5 frames, graduations between shoots up to 3 EV, in 1⁄3 EV increments additional optional exposure compensation: up to ±3 EV | 
| ISO sensitivity range (Photo) | Auto ISO: ISO 100 to ISO 100,000 Manual: ISO 50 to ISO 100,000
 | 
| White balance | Automatic (Auto), default (Daylight, Cloudy, Shadow, Tungsten, Flash), manual metering (Gray card), manual color temperature settings (Color Temperature, 2000 K to 11500 K) | 
| Flash unit connector | Via the accessory shoe | 
| Flash sync time | 1⁄2000 s, slower shutter speeds available, automatic changeover to TTL linear flash mode with HSS-compatible Leica system flash units if sync time is undercut | 
| Flash exposure metering | Using center-weighted TTL pre-flash metering with Leica flash units (SF 26, SF 40, SF 58, SF 60, SF 64) or with system-compatible flash units, remote controlled flash SF C1 | 
| Flash exposure compensation | SF 40: ±2 EV in 1⁄2 EV increments SF 60: ±2 EV in 1⁄3 EV increments
 | 
| Microphone | Stereo | 
| Speaker | Mono | 
| WLAN | WLAN function for connecting to the Leica FOTOS app. The Leica app is available from the Apple App Store™ or the Google Play Store™. | 
| 2.4 GHz (EU/US/CN) | IEEE802.11b/g/n: channel 1–11 (2412–2462 MHz) | 
| 5 GHz Client mode (indoor use only) | IEEE802.11a/n/ac: Channel 36–64 (5180–5320 MHz) | 
| 5 GHz Access point + client mode | IEEE802.11a/n/ac: Channel 149–165 (5745–5825 MHz) | 
| Bluetooth | Bluetooth 5.0 LE: Channel 0–39 (2402–2480 MHz), maximum output (e.i.r.p.): 10 dBm | 
| GPS | Not available everywhere due to country-specific legislation; can be added via the Leica FOTOS app. Data is written to Exif header of the picture files. | 
| Menu languages | English, German, French, Italian, Spanish, Portuguese, Russian, Japanese, Traditional Chinese, Simplified Chinese, Korean | 
| Rechargeable battery (Leica BP-SCL6) | Lithium-ion rechargeable battery, rated voltage: 7.2 V (DC); capacity: 2200 mAh (min.), 350 shots (based on CIPA standard, with All Displays Auto Off = 5 s); manufacturer: Panasonic Energy (Wuxi) Co. Ltd., Made in China | 
| Charger (Leica BC-SCL4) | Input: AC 100–240 V, 50/60 Hz, 0.25 A, automatic switchover; output: DC 8.4 V 0.85 A; manufacturer: Salom Electric (Xiamen) Co., Ltd., Made in China | 
| Charging via USB | During operation: 9 V/3 A (min. 27 W) With camera switched off: 5 V/1500 mA (2.5 W or greater)
 | 
| Wireless Charging | Optimal performance with 9 V chargers (10 W Charging Pad required) | 
| Rated values for input voltage/power | 7.2 V 2.3 A (battery), 5 V 3.0 A / 9 V 2.5 A (USB) |