Sony

Sony ILCE7R/B Alpha a7R Full-Frame Mirrorless Camera

4.1 (123 reviews)
4 MP

36.4MP full-frame mirrorless camera with no optical low-pass filter for maximum detail and resolution.

$864.49*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Sony Alpha a7R was one of the first full-frame mirrorless cameras to challenge the dominance of traditional DSLRs, and it did so by prioritizing image quality above all else. Its 36.4-megapixel full-frame CMOS sensor omits the optical low-pass filter found on most cameras, a deliberate choice that allows the sensor to resolve finer detail at the pixel level. The result is images with exceptional sharpness and clarity, making the a7R particularly well-suited to landscape photography, architectural work, fine art reproduction, and any genre where resolution and detail are paramount. The native ISO range of 100–25600 provides usable results in a variety of lighting conditions, and the sensor's dynamic range allows for significant flexibility in post-processing RAW files.

Despite its high-resolution sensor, the a7R maintains a compact and lightweight body that is considerably smaller than full-frame DSLRs. The 2.4-million-dot OLED electronic viewfinder provides a bright, detailed preview with real-time exposure simulation, while the 3-inch tiltable LCD with 921,600 dots is useful for waist-level shooting and reviewing images. Wi-Fi and NFC connectivity enable wireless image transfer and remote control from a smartphone, and the multi-interface hot shoe supports a range of optional accessories including external flashes. The camera records 1080p video at 60p or 24p, and shoots RAW as well as RAW+JPEG for maximum editing flexibility. With native E-mount compatibility and adapter support for A-mount glass, the a7R opens the door to an extensive library of lenses from Sony, Zeiss, and third-party manufacturers.

Key Features

36.4 MP full frame CMOS sensor without an anti-aliasing/OLP filter

Up to 4 FPS in Speed Priority Continuous shooting

ISO 100-25600(AUTO ISO 100-6400)

1080/60p/24p HD video (AVCHD/MP4). Brightness Control (Viewfinder): Auto/Manual (5 steps between -2 and +2)

3" tiltable LCD with 921,600 dots. Operating temperature: 32 - 104 degrees F

1/2-inch XGA OLED color electronic viewfinder with 2.4M dots

Raw and Raw + JPEG shooting

Multi-interface shoe (optional external flash sold separately)

Wi-Fi and NFC connectivity

SD/SDHC/SDXC/Memory Stick Pro Duo card slot

Compatible lenses: Sony E-mount Full Frame, operation with Minolta/Konica Minolta Maxxum A-mount lenses confirmed via optional LA-EA3/LA-EA4 adapter

Specifications

Brand
Sony
Model
ILCE7R/B
Sensor
36.4 MP Full-Frame CMOS (no optical low-pass filter)
ISO Range
100–25600 (Auto ISO 100–6400)
Continuous Shooting
Up to 4 FPS
Video
1080/60p/24p HD (AVCHD/MP4)
Viewfinder
1/2-inch XGA OLED, 2.4M dots
LCD Screen
3.0" Tiltable, 921,600 dots
Lens Mount
Sony E-mount (Full Frame)
Connectivity
Wi-Fi, NFC
Storage
SD/SDHC/SDXC/Memory Stick Pro Duo
Weight
1.03 lbs
Color
Black

Pros & Cons

👍 Pros

  • 36.4MP sensor without low-pass filter delivers exceptional detail and resolving power
  • Full-frame sensor in a compact mirrorless body significantly smaller than equivalent DSLRs
  • Wi-Fi and NFC built in for wireless transfer and remote shooting
  • Tiltable 3-inch LCD and high-resolution OLED electronic viewfinder aid composition in varied shooting positions
  • Compatible with a wide range of E-mount and adapted A-mount lenses

👎 Cons

  • Continuous shooting speed tops out at 4 FPS which limits sports and fast-action photography
  • Video recording is capped at 1080p with no 4K option
  • Single SD card slot offers no backup or overflow redundancy
  • Battery life is modest compared to DSLR counterparts and heavy shooting sessions may require spares

Frequently Asked Questions

No. The 36.4MP full-frame CMOS sensor intentionally omits the optical low-pass (anti-aliasing) filter, allowing the sensor to capture the sharpest possible detail at the cost of a slightly increased chance of moiré in certain patterns.
The a7R uses the Sony E-mount. It natively accepts full-frame E-mount lenses, and with optional LA-EA3 or LA-EA4 adapters, it can also use Minolta and Konica Minolta A-mount lenses.
Yes, the a7R records 1080p HD video at 60p and 24p in both AVCHD and MP4 formats. It does not shoot 4K video.
Yes, the camera includes both Wi-Fi and NFC connectivity for wireless image transfer and remote control via a smartphone app.
The a7R has a single card slot that accepts SD, SDHC, SDXC, and Memory Stick Pro Duo media.