Sony Alpha a7R IVA Mirrorless Digital Camera | Body Only

Advancing into a realm of even greater resolution, the Sony a7R IVA upholds the esteemed lineage of exceptional full-frame cameras, distinguished by remarkable capabilities in both still photography and videography. This fourth iteration of the a7R introduces an enhanced 61MP sensor, coupled with accelerated processing, superior autofocus performance, and a more comprehensive array of features tailored for high-end photographic and video endeavors.

61MP Exmor R BSI CMOS Sensor

The newly developed full-frame 61MP Exmor R CMOS sensor showcases a back-illuminated design that combines exceptional resolution with remarkable clarity, minimal noise, and an extensive 15-stop dynamic range. Its architecture enhances image quality significantly, while the incorporation of a copper wiring layer substantially boosts data transmission speed, enabling the capture of 14-bit, high-resolution 61MP images. The sensor operates within a native sensitivity range of ISO 100-32000, which can be further extended to ISO 50-102400.

BIONZ X Image Processor

The BIONZ X engine's rapid image processing capabilities facilitate swift continuous shooting, 4K video capture, and sophisticated autofocus tracking. This efficient processing also minimizes rolling shutter effects and other motion distortions, ensuring clear representation of dynamic subjects.

Regarding shooting speeds, the combination of the sensor and processor allows for continuous shooting at a rate of up to 10 frames per second at full resolution, accommodating as many as 68 consecutive frames while maintaining full-time autofocus and auto-exposure.

Pixel Shift Multi Shooting

This distinctive compositing mode enables the attainment of a resolution that surpasses the capabilities of the 61MP sensor. By collaborating with the sensor-shift image stabilization, this mode shifts the sensor while capturing 16 consecutive images, resulting in approximately 240.8MP of data. This process enhances color accuracy and detail beyond what a single exposure can provide, yielding an impressive image size of 19,008 x 12,672 pixels. Subsequently, these files can be combined in post-production utilizing the Sony Imaging software suite.

Fast Hybrid AF System

The newly enhanced Fast Hybrid AF system incorporates a total of 567 phase-detection points, which effectively cover around 99.7% of the frame's height and 74% of its width, in conjunction with 425 contrast-detection areas. This combination ensures reliable and rapid autofocus as well as efficient subject tracking capabilities. Furthermore, this focusing system is designed to deliver exceptionally swift performance and dependable tracking, with improved low-light focusing capabilities down to -3 EV.

This advanced focus system also supports a range of focusing functions that enhance precision:

• Lock-on AF allows for sustained focus on moving subjects by utilizing a customizable frame positioned over the target subject.
  
  
• Expand Flexible Spot utilizes adjacent focus points to maintain focus on moving subjects, even if the initially selected point loses its focus.
  
  
• Eye AF is designed to focus on the eyes of recognized human subjects for portrait photography and is available in both AF-S and AF-C modes, applicable to both still images and video. Additionally, Eye AF can be employed for animal subjects in any focusing mode while capturing stills.
  
  
• The Focus Magnifier feature is available for achieving critical focus on intricate subject details.
  
  
• The rear touchscreen facilitates Touch Focus control, and the Touchpad Focus Control mode allows intuitive use of the rear screen while keeping the eye on the viewfinder.
  
  

Video Recording

UHD 4K Video Recording in XAVC S Format

The device supports internal recording of UHD 4K video at various frame rates, reaching up to 30 fps, while utilizing the full sensor width with 8-bit 4:2:0 color sampling through the 100Mbps XAVC S codec. Additionally, oversampled 4K recording is achievable, employing a 6K capture area with a Super 35 crop to enhance detail. This method ensures full pixel readout without pixel binning, resulting in superior image quality with minimized moiré and aliasing effects. Furthermore, Full HD 1080p recording is available at frame rates of up to 120 fps. The high-speed recording at 120 fps facilitates 4x and 5x Slow & Quick Motion (S&Q) movie recording, with frame rates adjustable to either 30p or 24p. Alongside high-resolution internal recording, the uncompressed HDMI output allows for the connection of an optional external recorder, enabling clean 4K recording with 4:2:2 sampling. Moreover, 4K video recording provides the capability to capture 8MP still images during playback by extracting a frame from the video and saving it as a distinct file.

S-Log3 and HLG Color Control

The inclusion of HLG (Hybrid Log-Gamma) support enables the capture of a broad color spectrum, facilitating the creation of HDR-ready content directly from the camera. Additionally, S-Log3 is offered, allowing for the generation of a dynamic range exceeding 14 stops, which enhances grading flexibility particularly in the shadow to mid-tone areas of the image.

Viewfinder and LCD Screen

The revised OLED Tru-Finder EVF features a resolution of 5.76 million dots, providing bright and clear visuals with exceptional detail. A specialized high-quality setting allows for a refresh rate of 120 frames per second, ensuring particularly fluid playback of dynamic subjects. The 3.0-inch rear LCD, boasting a resolution of 2.36 million dots, incorporates a touch panel for user-friendly operation and precise focusing control. Additionally, the screen can tilt upward by 107 degrees and downward by 41 degrees, facilitating work from both elevated and low perspectives.

Professional Body Design

• The magnesium alloy chassis provides exceptional rigidity, durability, and stability while maintaining a lightweight profile. Enhancements have been made to the lens mount to offer improved support for heavier lenses, and the grip has been reinforced to ensure a more comfortable experience during hand-holding.
  
  
• Comprehensive weather-sealing measures, including advanced sealing around the battery cover, terminal cover, and chassis joints, have been implemented to protect against dust and moisture, ensuring reliable performance in challenging weather conditions.
  
  
• Utilizing the same NP-FZ100 battery as its predecessor, the a7R IVA boasts a battery life of approximately 530 shots per charge when using the electronic viewfinder, or 660 shots with the rear LCD.
  
  
• The camera is equipped with dual SD memory card slots, providing versatile options for file storage and management. These slots can be configured to separate raw and JPEG files or used for overflow recording. Both slots are compatible with UHS-II memory cards, enabling faster data transfer rates.
  
  

Ports and Interface

• USB 3.2 Gen 1 Type-C port has been added, in addition to a micro-USB port, for faster, more reliable tethering support. The USB Type-C connection allows the camera to be charged from the host power source while connected.
  
  
• Updated Multi Interface Shoe supports working with the optional ECM-B1M Shotgun Microphone or XLR-K3M XLR Adapter Kit, which provide improved, clear audio recording sound by sending a digital audio signal to the camera, opposed to an analog signal.
  
  
• Both 3.5mm headphone and external microphone ports facilitate greater control over audio recording.
  
  
• HDMI micro (Type D) connector offers a clean signal out for working with optional external recorders.
  
  
• Integrated PC sync terminal for wired flash sync with strobe packs or wireless radio remotes.
  
  

Wireless Connectivity

The integrated Wi-Fi feature facilitates remote control of the camera and allows for immediate sharing of images to mobile devices for direct online distribution. Additionally, support for both 2.4 and 5 GHz frequency bands enables wireless tethered shooting capabilities. This connectivity further enhances remote camera management. The Imaging Edge mobile application benefits from Bluetooth technology, ensuring a stable connection between the camera and the mobile device. Furthermore, Bluetooth connectivity enables the acquisition of location data.

5-Axis SteadyShot INSIDE Image Stabilization

The a7R IVA is equipped with a highly effective 5-axis SteadyShot INSIDE image stabilization system, providing 5.5 stops of compensation for various types of camera shake that may occur during handheld photography and videography. This feature enables users to utilize any lens, including adapted ones, for precise imaging without the risk of blur caused by camera movement.

For longer focal lengths, the stabilization system effectively addresses pitch and yaw adjustments. In contrast, macro and high-magnification photography will benefit from the added horizontal and vertical shift compensation. Additionally, roll compensation is advantageous for all shooting styles. Notably, all five axes of stabilization remain operational at all times, even when utilizing third-party lenses and adapters or lenses that incorporate built-in optical stabilization.