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View warranty terms and conditionsThe Sony Alpha A7 IV (ILCE-7M4), announced in October 2021, is the fourth generation of Sony's "standard" A7 series and marked a shift from its predecessor, the A7 III. Sony moved it out of the purely "entry-level" full-frame segment: it raised the resolution to 33 MP, incorporated internal 10-bit video, and positioned it as a true photo/video hybrid for advanced enthusiasts and professionals.
It mounts a 33 MP full-frame BSI-CMOS sensor with the BIONZ XR processor, 5-axis in-body stabilization, autofocus with subject recognition (eye/face/body, for people, animals, and birds), and a fully articulating screen, useful for video and content creators. It has interchangeable lenses with the Sony E mount, so it grows with you through lenses.
Who is it for? For those who want a single camera that handles weddings, portraits, travel, street, and video competently. It is not the most action-burst-oriented option at maximum quality, nor does it record 4K/60p without crop, but as a versatile tool with outstanding image quality, it remains one of the most balanced full-frame options on the second-hand market.
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The Sony Alpha A7 IV is a full-frame mirrorless camera designed for photographers and videographers seeking versatility in a compact body. Launched in 2021, this model sits as a balanced option between the A7 III series and the more professional A7S III, offering solid performance in both photography and video.
Key Features
- 33-megapixel effective full-frame sensor.
- Sony E-mount (compatible with FE and E lenses).
- 4K video recording up to 60p with 7K oversampling.
- BIONZ XR image processor for enhanced speed and efficiency.
- Release year: 2021.
Ideal for
Perfect for portrait, travel, and event photographers who need high resolution and good video quality without stepping up to higher-end ranges. It is also an excellent choice for content creators looking for a reliable hybrid camera.
Condition
Pre-owned product inspected by Camera Market. Includes a standard 6-month warranty and 24-48 hour shipping from Barcelona.
What lenses are compatible with the Sony A7 IV?
It uses the Sony E mount (full-frame format, "FE"). It accepts the huge catalog from Sony, Sigma, Tamron, Samyang, and others, as well as APS-C E-mount lenses (with crop). You can see our catalog of Sony E-mount lenses. With an adapter, it also mounts optics from other brands, though third-party autofocus may vary.
Is it good for starting in full-frame?
It is an excellent camera, but it is not the "cheap" one in the range: Sony raised its price and resolution compared to the A7 III to position it as an advanced hybrid. If you come from mobile or APS-C, it will last you years, although its menus are very powerful and can be overwhelming at first due to the enormous customization.
What can it record in video?
It records 4K/30p at full frame (oversampled, with good detail) and internal 10-bit 4:2:2 with S-Log3/S-Cinetone. Note an important nuance: 4K/60p only works with APS-C crop (~1.5x), so you lose wide angle. It does not offer RAW video output and shows noticeable rolling shutter with fast subjects.
How is the burst for action photography?
It reaches 10 fps, and sustains that rate with compressed or lossless compressed RAW. Uncompressed RAW reduces the burst (around 6 fps), and in practice, the buffer and card write speed also matter: with SD cards, the sustained rate is lower than with CFexpress Type A, which are faster but expensive. For demanding action at maximum quality, it is worth considering.
What battery does it use and how long does it last?
It uses the NP-FZ100, Sony's large battery, with a CIPA rating of about 580 shots with the screen (~520 with the viewfinder), which in real photography use is usually exceeded. It is an expensive battery to replace, so when buying used, it is advisable to check its health and cycles, and confirm that it includes an original battery and charging cable.
Is it reliable to buy second-hand?
Yes, it is a robust and widely used camera. Being mirrorless, many shots are taken with the electronic shutter without mechanical wear, so a high shutter count weighs less than in a DSLR; even so, always ask for the number. It is worth asking about the firmware version (Sony published autofocus improvements) and about intensive long video use, as it can stop due to heat during prolonged recordings.
What should I check before buying it?
Check the articulating screen (hinge and glass), test the sensor with a photo of the sky at f/16 to detect dust, and inspect the shutter blades (this camera closes it when turned off). Verify the condition of the NP-FZ100 battery and confirm the accessories: battery, charger/USB cable, and cap. Also ask about the firmware version to ensure the best focusing performance.
Full condition scale
Each unit is inspected at 28 points and graded honestly. Here's how we translate each level so you know what to expect:
Barely any signs of use. Almost flawless aesthetics and perfect operation.
Light marks from normal use. Optically clean and fully functional.
Visible signs of use (scuffs, marks, brassing). Works perfectly.
Not guaranteed for use: sold for parts or repair.
Why buy used?
Depreciation is already absorbed: the same gear for much less than new.
Many classics and discontinued gems only exist today on the used market.
28-point inspection and 6-month warranty included on every unit.
Extending the life of a camera avoids manufacturing and transporting a new one.
