Reviews

Soar to greater heights A review of Alpha 7R IV for bird photography

Ever since switching to Sony in 2018 during the release of the FE 400mm F2.8 GM OSS, Sony’s Alpha 9 has been my go-to camera for bird photography. As that was also my only Sony camera, I was looking to add another high megapixel full-frame sensor camera with a useful APS-C cropping to my photography gear.

Hence, the Alpha 7R IV was a natural choice.

by Howard Yap

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Eagle

Incredible details

To some, the sheer file size of a 61 MP RAW can be a put-off. But the Alpha 7R IV allowed me to highlight incredible feather details of Pasir Ris Park’s resident Stork-Billed Kingfisher without getting too close. Aside from respecting nature, shooting from a distance created a deeper depth-of-field (DOF) to capture the necessary details of the surroundings. I didn’t need to drop the aperture, which in turn would require compensation in the form of lower shutter speed or higher ISO. With a low MP camera, it would not have been possible to obtain this level of details at the same shooting distance and focal length. 

Alpha 7R IV | 1200mm | f/10 | 1/80 sec | ISO 100 (approx. 5x crop)
Alpha 7R IV | 1200mm | f/10 | 1/80 sec | ISO 100 (approx. 2x crop)
Alpha 7R IV | 1200mm | f/10 | 1/80 sec | ISO 100 (actual frame)

The Common Kingfisher is a much smaller bird and was perched relatively far away. However, the Alpha 7R IV displayed no issue in capturing the bird and its feather details. 

Alpha 7R IV | 1200mm | f/11 | 1/100 sec | ISO 320 (approx. 5x crop)
Alpha 7R IV | 1200mm | f/11 | 1/100 sec | ISO 320 (actual frame)

The Grey-Headed Fish Eagle may be a larger bird than the two kingfishers, but it was perched at least twice the distance away around 30 metres. Fortunately, the atmospheric conditions were favourable enough for me to capture the bird’s details in high-def.

Alpha 7R IV | 1200mm | f/9 | 1/200 sec | ISO 100 (approx. 6x crop)
Alpha 7R IV | 1200mm | f/9 | 1/200 sec | ISO 100 (approx. 2.7x crop)
Alpha 7R IV | 1200mm | f/9 | 1/200 sec | ISO 100 (actual frame)

Shooting In APS-C Crop Mode

The great thing about shooting in APS-C crop mode is that when paired the Alpha 7R IV with the FE 400mm F2.8 GM OSS, the focal length is equivalent to a 600mm F2.8.

This allows for excellent light ability to capture detailed shots of birds in flight at a resolution of 26 MP. 

Alpha 7R IV | 400mm | f/2.8 | 1/4000 sec | ISO 640 (1.5x APS-C crop mode, approximately 600mm equivalent)

Reliable AF

When the Alpha 7R IV was announced, I had reservations about its AF ability to track fast-moving birds in close flight. After getting my hands on the camera, I realised just how needless those doubts were. The Alpha 7R IV produced shots with mind-blowing details even when it’s on the wide AF setting.

Alpha 7R IV | 400mm | f/2.8 | 1/2500 sec | ISO 640 (1.5x APS-C crop mode, approximately 600mm equivalent)
Alpha 7R IV | 400mm | f/2.8 | 1/2500 sec | ISO 640 (1.5x APS-C crop mode, approximately 600mm equivalent)
Alpha 7R IV | 400mm | f/2.8 | 1/2500 sec | ISO 640 (1.5x APS-C crop mode, approximately 600mm equivalent)

Shooting At High ISO 

As with all high MP cameras, noise control in high ISO is always a challenge. For the Alpha 7R IV, I recommend not to crop fully in to achieve results that are pleasing and acceptable at ISO 1600. For even better results, I would suggest shooting below ISO 1600.

Alpha 7R IV | 600mm | f/5 | 1/3200 sec | ISO 1600 (tight crop)
Alpha 7R IV | 600mm | 1/3200 sec | f/5 | ISO 1600 (moderate crop)
Alpha 7R IV | 600mm | f/5 | 1/3200 sec | ISO 800 (moderate crop)

Weather Sealing

There are numerous online reviews that highlight concerns on the weather sealing in Sony Alpha cameras.

Take that with a huge dose of salt!

Personally, I have shot under the rain with my Alpha 9 on several occasions and had no qualms about its performance. The same applies for the  Alpha 7R IV — I would store the camera in a dry box at home and had no issues shooting under the rain.

Alpha 7R IV | 400mm | 1/250 sec | f/2.8 | ISO 100 (approx. 3.8x crop)
Alpha 7R IV | 400mm | f/2.8 | 1/250 sec | ISO 100 (actual frame) Alpha 9 or Alpha 7R IV?

Alpha 9 or Alpha 7R IV?

I've been asked this question often, so I thought this would be a good opportunity to address it.

My take: Both cameras have their own strengths and capabilities, but each is not a backup for the other. It boils down to the individual shooting style. For me, I usually prefer to nail the initial shots with the α9 before improving it with a high MP camera like the Alpha 7R IV, if the shooting conditions permit.

Regardless of which you choose, you can't really go wrong with either

 

 

Disclaimer:
The opinions expressed in this publication are those of the author. They do not reflect the opinions or views of Sony Singapore..

Footnote
  1. As of July 2019, based on Sony survey of digital cameras with a full-frame image sensor
  2. Approximately, effective
  3. Still images. Sony test conditions
  4. Up to 10 fps in continuous “Hi+” mode, and up to 8 fps in continuous “Hi” mode. Maximum fps will depend on camera settings
  5. In JPEG (Extra fine / Fine) or compressed RAW mode
  6. This function does not track animal eyes
  7. “Tracking” in the menu. This function does not track animal eyes
  8. Image Edge desktop application Ver. 2.0 or later is required
  9. Super 35mm 4K recording results in a slightly narrower angle of view
  10. CIPA standards. Pitch/yaw shake only. Planar T* FE 50mm F1.4 ZA lens. Long exposure NR off
  11. The Imaging Edge (Remote/Viewer/Edit) desktop application Ver. 2.0 or later is required for compositing. Image compositing may not be successful if camera or subject movement causes blur. Some restrictions apply to flash and other device
  12. ‘Remote’/’Viewer’/’Edit’ version.2.0 will be released in August 2019
  13. Only 100 Hz and 120 Hz flicker is detected. Continuous shooting speed may decrease. Flicker-free shooting is not available during silent shooting, BULB exposure, or movie recording
  14. Imaging Edge Mobile Ver. 7.2 or later is required. “Cnct. during power off” setting in camera must be turned ON and the camera and smartphone must be paired using Bluetooth® technology via the Imaging Edge Mobile application
  15. Connect this product to an HDR (HLG) compatible Sony TV via a USB cable when displaying HDR (HLG) movies
  16. Sound not recorded. Class 10 or higher SDHC/SDXC card required
  17. Not guaranteed to be 100% dust and moisture proof
  18. A battery must be installed in the body when power is being supplied via the USB connector
  19. Refer to the Sony support page for details and camera compatibility information https://www.sony.net/dics/b1m/
  20. Refer to the Sony support page for details and camera compatibility information
  21. Actual colour and dimension may differ from the screen image.
  22. Colours & features of the product shown may differ by model and country.
  23. 4K: 3,840 x 2,160 pixels.
  24. Services availability depends on region. A part or whole of software/services installed into or accessible through the product may be changed, discontinued, removed, suspended, or terminated without notice.
  25. Features and specifications are subject to change without prior notice.
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