Starguide - A Practical Guide to Astro-Photography

Camera

Fujifilm X-T3

Property

X-Trans CMOS mit Primärfarben-filter

Megapixels

26.10

No. of Pixels

6240 x 4160

Sensor [mm]

23.5 x 15.6

Diagonal [mm]

28.21

Surface Area [mm²]

366.6

Pixel pitch [µm]

3,74x3,74

Pixel area [µm²]

13.9

Pixel density [MP/cm²]

7.13

Binning

Bit depth

Full Well Capacity (Electrons)

Read Noise (RMS)

Quantum Efficiency

ADC

DDR Buffer

Max FPS at full resolution

Exposure

see below

Shutter

• Mechanical,  Electronic, Electronic front curtain shutter

Model Name

FUJIFILM X-T3

Number of effective pixels

26.1 Megapixels

Image sensor

23.5mm×15.6mm (APS-C) X-Trans CMOS 4 with primary color filter.

• Sensor Cleaning system

• Ultra Sonic Vibration

Storage media

SD memory card (-2GB) / SDHC memory card (-32GB) / SDXC memory card (-512GB)
UHS-I / UHS-II / Video Speed Class V90 *1

File format

• Still image

• JPEG (Exif Ver.2.3)*2, RAW : 14bit RAW(RAF original format), RAW+JPEG

Number of recorded pixels

L: (3:2) 6240 x 4160 / (16:9) 6240 x 3512 / (1:1) 4160 x 4160
M: (3:2) 4416 x 2944 / (16:9) 4416 x 2488 / (1:1) 2944 x 2944
S: (3:2) 3120 x 2080 / (16:9) 3120 x 1760 / (1:1) 2080 x 2080

Lens mount

FUJIFILM X mount

Sensitivity

Standard Output Sensitivity : AUTO1 / AUTO2 / AUTO3(up to ISO12800) / ISO160 to 12800(1/3 step)
Extended output sensitivity : ISO80 /100 /125 / 25600 / 51200

Exposure control

TTL 256-zone metering, Multi / Spot / Average / Center Weighted

Exposure mode

P (Program AE) / A (Aperture Priority AE) / S (Shutter Speed Priority AE) / M (Manual Exposure)

Exposure compensation

-5.0EV - +5.0EV, 1/3EV step
(movie recording : -2.0EV - +2.0EV)

Image Stabilizer

Supported with OIS type lenses

Shutter type

Focal Plane Shutter

Shutter speed

• Mechanical Shutter

• P mode: 4sec. to 1/8000sec. A mode: 30sec. to 1/8000sec. S/M mode: 15min. to 1/8000sec. Bulb mode: up to 60min.

• Electronic Shutter*3

• P mode: 4sec. to 1/32000sec. A mode: 30sec. to 1/32000sec. S/M mode: 15min. to 1/32000sec. Bulb mode: 1sec. Fixed

• Electronic front curtain shutter

• P mode: 4sec. to 1/8000sec. A mode: 30sec. to 1/8000sec. S/M mode: 15min. to 1/8000sec. Bulb mode: up to 60min.

• Mechanical + Electronic shutter

• P mode: 4sec. to 1/32000sec. A mode: 30sec. to 1/32000sec. S/M mode: 15min. to 1/32000sec. Bulb mode: up to 60min.

• E-front + Mechanical shutter

• P mode: 4sec. to 1/8000sec. A mode: 30sec. to 1/8000sec. S/M mode: 15min. to 1/8000sec. Bulb mode: up to 60min.
  *Electronic front curtain shutter works until 1/2000sec.

• E-front + Mechanical + Electronic shutter

• P mode: 4sec. to 1/32000sec. A mode: 30sec. to 1/32000sec. S/M mode: 15min. to 1/32000sec. Bulb mode: up to 60min.
  *Electronic front curtain shutter works until 1/2000sec, Mechanical shutter works until 1/8000sec.

• Movie

• FHD: 1/8000sec.-1/4sec.
  DCI4K/4K: 1/8000sec.-1/4sec.
  *Cannot choose slower shutter speed than framerate with DCI4K/4K 59.94p/50p or DCI4K/4K/FHD LongGOP recording.

• Synchronized shutter speed for flash

• 1/250sec. or slower

Continuous shooting

Approx. 30fps [Only electronic shutter, 1.25 x Crop ] (JPEG： 60 frames Lossless compression RAW： 35 frames Uncompressed RAW： 33 frames)
Approx. 20fps [Only electronic shutter, 1.25 x Crop ] (JPEG： 114 frames Lossless compression RAW： 37 frames Uncompressed RAW： 34 frames)
Approx. 10fps [Only electronic shutter, 1.25 x Crop ] (JPEG： 500 frames Lossless compression RAW： 48 frames Uncompressed RAW： 39 frames)
Approx. 20fps [Only electronic shutter ] (JPEG: 79 frames Lossless compression RAW: 36 frames Uncompressed RAW: 34 frames)
Approx. 11fps (JPEG: 145 frames Lossless compression RAW: 42 frames Uncompressed RAW: 36 frames)
Approx. 8.0fps (JPEG: 200 frames Lossless compression RAW: 49 frames Uncompressed RAW: 39 frames)
Approx. 5.7fps (JPEG: endless Lossless Compression RAW: 62 frames Uncompressed RAW: 43 frames)
Pre-shot: Approx. 30fps [Only electronic shutter, 1.25 x Crop ] (max. 20 frames while half press, max. 20 frames after full press, total max. 40 frames)
Pre-shot: Approx. 20fps [Only electronic shutter, 1.25 x Crop ] (max. 20 frames while half press, max. 37 frames after full press, total max. 57 frames)
Pre-shot: Approx. 10fps [Only electronic shutter, 1.25 x Crop ] (max. 10 frames while half press, max. 300 frames after full press, total max. 310 frames)

• * Recordable frames depends on recording media
• * Speed of continuous shooting depends on shooting environment and shooting frames

Auto bracketing

AE Bracketing (Frames: -2, -3, +3, +2, ±9, ±7, ±5, ±3 Step: 1/3EV, 2/3EV, 1EV, 4/3EV、5/3EV、2EV、7/3EV、8/3EV、3EV)
Film Simulation bracketing (Any 3 types of film simulation selectable)
Dynamic Range Bracketing (100%, 200%, 400%)
ISO sensitivity Bracketing (±1/3EV, ±2/3EV, ±1EV)
White Balance Bracketing (±1, ±2, ±3)
Focus Bracketing (Frames: 1-999, Step: 1-10, Interval: 0-10s)

Focus

• mode

• Single AF / Continuous AF / MF

• type

• Intelligent Hybrid AF (TTL contrast AF / TTL phase detection AF)

• AF frame selection

• Single point AF: EVF / LCD: 13×9 / 25×17 (Changeable size of AF frame)
  Zone AF: 3×3 / 5×5 / 7×7 from 91 areas on 13×9 grid
  Wide/Tracking AF: (up to 18 area) * AF-S: Wide / AF-C: Tracking
  All

White balance

Automatic Scene recognition / Custom1-3 / Color temperature selection (2500K~10000K) / Preset: Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Underwater

Self-timer

10sec. / 2sec.

Interval timer shooting

Yes (Setting : Interval, Number of shots, Starting time)

Flash modes

• SYNC. MODE

• 1ST CURTAIN / 2ND CURTAIN / AUTO FP(HSS) (excl. EF-X8)

• FLASH MODE

• TTL (TTL AUTO (P mode) / STANDARD / SLOW SYNC. ) / MANUAL / COMMANDER / OFF (When EF-X8 is set)
  TTL (TTL AUTO (P mode) / STANDARD / SLOW SYNC. ) / MANUAL / MULTI / OFF (When SHOE MOUNT FLASH is set)

Hot shoe

Yes (Dedicated TTL Flash compatible)

Viewfinder

0.5 inch approx. 3.69 millions dots OLED Color Viewfinder
Coverage of viewing area vs. capturing area: approx. 100%
Eyepoint: approx. 23mm (from the eyepiece lens) Diopter adjustment: -4-+2m-1 (lockable)
Magnification: 0.75x with 50mm lens (35mm equivalent) at infinity and diopter set to -1m-1
Diagonal angle of view: approx. 38° (Horizontal angle of view: approx. 30° )
Built-in eye sensor

LCD monitor

3.0 inch, aspect ratio 3:2, approx. 1.04 millions dots touch screen color LCD monitor(approx. 100% coverage)

Movie recording

• File format

• MOV (MPEG-4 AVC/H.264, HEVC/H.265, Audio: Linear PCM / Stereo sound 24bit / 48KHz sampling)

• Movie compression

• All Intra/Long-GOP
• * All Intra can be used with following settings.
  DCI4K/4K 29.97p/25p/24p/23.98p 400Mbps
  Full HD(2048×1080)/Full HD(1920×1080) 59.94p/50p/29.97p/25p/24p/23.98p　200Mbps

• File size / Frame rate / Recording time

• [DCI 4K(4096×2160)]
  59.94p/50p/29.97p/25p/24p/23.98p 400Mbps/200Mbps/100Mbps
  59.94p/50p: up to approx. 20min. 29.97p/25p/24p/23.98p: up to approx. 30min
  
  [4K(3840×2160)]
  59.94p/50p/29.97p/25p/24p/23.98p 400Mbps/200Mbps/100Mbps
  59.94p/50p: up to approx. 20min. 29.97p/25p/24p/23.98p: up to approx. 30min
  
  [Full HD(2048 ×1080)]
  59.94p/50p/29.97p/25p/24p/23.98p 200Mbps/100Mbps/50Mbps up to approx. 30min.
  
  [Full HD(1920×1080)]
  59.94p/50p/29.97p/25p/24p/23.98p 200Mbps/100Mbps/50Mbps up to approx. 30min.
  
  [Full HD(1920×1080) High speed rec.]
  120p/100p 200Mbps(recording) up to approx. 6min.

• * For recording movies, use a SD memory card with UHS Speed Class 3 or higher.
• * For recording movies in 400Mbps, use a SD memory card with Video Speed Class 60 or higher.
• * Recording movies in 400Mbps can be done with DCI4K/4K 29.97p/25p/24p/23.98p.
• * DCI4K 59.94p/50p is not available when H.264 is selected.

Film Simulation mode

16 modes (PROVIA/Standard, Velvia/Vivid, ASTIA/Soft, Classic Chrome, PRO Neg.Hi, PRO Neg.Std, Black & White, Black & White+Ye Filter, Black & White+R Filter, Black & White+G Filter, Sepia, ACROS, ACROS+Ye Filter, ACROS+R Filter, ACROS+G Filter, ETERNA/Cinema)
B & W Adjustment: -9-+9

Grain effect

STRONG, WEAK, OFF

Color chrome effect

STRONG, WEAK, OFF

Dynamic range setting

AUTO, 100%, 200%, 400%
ISO restriction (DR100%: No limit, DR200%: ISO320 or more, DR400%: ISO640 or more)

Advanced filter

Toy camera, Miniature, Pop color, High-key, Low-key, Dynamic tone, Soft focus, Partial color (Red / Orange / Yellow / Green / Blue / Purple)

Wireless transmitter

• Standard

• IEEE 802.11b / g / n (standard wireless protocol)

• Encryption

• WEP / WPA / WPA2 mixed mode

• Access mode

• Infrastructure

Bluetooth®

• Standards

• Bluetooth Ver. 4.2 (Bluetooth low energy)

• Operating frequency
  [Center frequency]

• 2402 - 2480MHz

Terminal

• Digital interface

• USB Type-C (USB3.1 Gen1)

• HDMI output

• HDMI micro connector (Type D)

• Others

• ø3.5mm, stereo mini connector (Microphone) / ø3.5mm, stereo mini connector (headphone) / ø2.5mm, Remote Release Connector
  Hot shoe, Synchronized terminal

Power supply

NP-W126S Li-ion battery (included)

• Battery life for still images*4

• Approx. 390 frames (NORMAL MODE) When XF35mmF1.4 R is set.

• Actual battery life of movie capture*4
• *Face detection is set to OFF

• [4K] approx. 40min. (29.97p)
  [Full HD] approx. 45min. (59.94p)

• Continuance battery life of movie capture*4
• *Face detection is set to OFF

• [4K] approx. 55min. (29.97p)
  [Full HD] approx. 75min. (59.94p)

Dimensions

132.5mm (W) x 92.8mm (H) x 58.8mm (D) (minimum depth 35.4mm)

Weight

Approx. 539g (including battery and SD memory card)
Approx. 489g (excluding battery and SD memory card)

Operating Temperature

-10°C - +40°C

Operating Humidity

10 - 80% (no condensation)

Starting up period

Approx 0.3sec.

• * Fujifilm research

Accessories included

Li-ion battery NP-W126S
Battery charger BC-W126S
Shoe-mount flash unit EF-X8
Shoulder strap, Body cap
Strap clip
Protective cover
Clip attaching tool
Hot shoe cover
Vertical Grip connector cover
Connector cover (detachable)
Sync terminal cover
Cable protector Owner's manual