Sony Alpha SLT-A99 is a pro DSLR featuring a 24.3MP 35mm-sized CMOS sensor, the Sony Alpha SLT-A99V, offers the world’s first dual AF system in a DSLR, and the world’s lightest body for a full-frame DSLR.
Nikon FX-format digital SLR camera with the world’s highest effective pixel count–36.3-million pixels–for noteworthy definition and image quality. The D800 offers the world’s highest* effective pixel count of 36.3-million pixels, and is equipped with the new EXPEED 3 image-processing engine and a 91K-pixel (approximately 91,000 pixels) RGB sensor for overwhelming definition and image quality.
With supercharged EOS performance and stunning full frame, high-resolution image capture, the EOS 5D Mark III is designed to perform. 61 Point High Density Reticular AF and an extended ISO range of 100-25600 make the EOS 5D Mark III ideal for shooting weddings in the studio or out in the field, and great for still photography.
Canon EOS 5D Mark III Vs. Nikon D800 Vs. Sony SLT-A99 Specification Comparison
You can find the full specifications comparison for three best full frame DSLR cameras in the world
| Feature | Canon 5D Mark III | Nikon D800 | Sony A99 |
|---|---|---|---|
| Sensor Resolution | 22.3 Million | 36.3 Million | 24.3 Million |
| Sensor Type | CMOS | CMOS | CMOS |
| Sensor Size | 36x24mm | 35.9x24mm | 35.8×23.8mm |
| Dust Reduction / Sensor Cleaning | Yes | Yes | Yes |
| Image Size | 5760 x 3840 | 7360 x 4912 | 6000 x 4000 |
| Image Processor | DIGIC 5+ | EXPEED 3 | Bionz |
| Viewfinder Type | Pentaprism | Pentaprism | Electronic |
| Viewfinder Coverage | 100% | 100% | 100% |
| Viewfinder Magnification | 0.71x | 0.70x | 0.74x |
| Storage Media | 1x Compact Flash and 1x SD | 1x Compact Flash and 1x SD | Memory Stick PRO Duo/Pro-HG DuoSD, SDHC and SDXC |
| Continuous Shooting Speed | 6 FPS | 4 FPS, 6 FPS in DX mode with MB-D12 battery grip | 6 FPS |
| Max Shutter Speed | 1/8000 to 30 sec | 1/8000 to 30 sec | 1/8000 to 30 sec |
| Shutter Durability | 150,000 cycles | 200,000 cycles | 200,000 cycles |
| Exposure Metering Sensor | iFCL metering with 63 zone dual-layer sensor | 91,000-pixel RGB sensor 3D Color Matrix Metering III | 1200-zone evaluative metering |
| Base ISO | ISO 100 | ISO 100 | ISO 100 |
| Native ISO Sensitivity | ISO 100-25,600 | ISO 100-6,400 | ISO 100-25,600 |
| Boosted ISO Sensitivity | ISO 50, ISO 51,200-102,400 | ISO 50, ISO 12,800-25,600 | ISO 50, ISO 51,200-102,400 |
| Autofocus System | 61 points | 51 points | 19 points + 102 points |
| Built-in Flash | No | Yes | No |
| Built-in GPS | No | No | Yes |
| Video Output | AVI, H.264, MPEG-4 | H.264, MPEG-4 | AVCHD, H.264, MPEG-4 |
| Uncompressed Video Output | No | Yes (HDMI) | Yes (HDMI) |
| Video Maximum Resolution | 1920×1080 (1080p) @ 30p | 1920×1080 (1080p) @ 30p | 1920×1080 (1080p) @ 60p |
| Audio Recording | Built-in microphoneExternal stereo microphone (optional) | Built-in microphoneExternal stereo microphone (optional) | Built-in microphone. External stereo microphone (optional) |
| LCD Size | 3.2″ diagonal TFT-LCD | 3.2″ diagonal TFT-LCD | 3″ articulated TFT-LCD |
| LCD Resolution | 1,040,000 dots | 921,000 dots | 1,229,000 dots |
| Exposure Compensation | ±5 EV in 1/3 or 1/2 EV increments | ±5 EV in 1/3, 1/2 or 1 EV increments | ±5 EV in 1/3 or 1/2 EV increments |
| Bracketing | ±3 (2, 3, 5, 7 frames at 1/3 EV, 1/2 EV steps) | 2 to 9 frames in steps of 1/3, 1/2, 2/3 or 1 EV | (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps) |
| HDR Support | Yes | Yes | Yes |
| Wi-Fi Functionality | Eye-Fi Compatible, WFT-E7 | Eye-Fi Compatible, WT-4A | – |
| Battery | LP-E6 Lithium-ion Battery | EN-EL15 Lithium-ion Battery | NP-FM500H Lithium-ion Battery |
| Battery Life | 950 shots (CIPA) | 850 shots (CIPA) | 500 shots (CIPA) |
| USB Version | 2.0 | 3.0 | 2.0 |
| Dimensions | 152 x 116.4 x 76.4mm | 144.78 x 121.92 x 81.28mm | 147 x 111 x 78mm |
| Weight | 950g | 900g | 812g |
| MSRP Price | $2,975 | $2,796 | $2,798 |
