Canon 6D Review: The Best Full-Frame Camera Under $300?

Photo quality

The 6D uses a 20.2MP full frame CMOS sensor. Resolution is lower than many current cameras, but 20.2 megapixels is still enough for detailed everyday photos, portraits, landscapes, and reasonably large prints.

In my testing, the 6D produced excellent photos. With compatible EF lenses, you get the field of view those lenses were designed for and useful control over background blur.

I also showed photo samples across the ISO range in the video so you can judge the noise for yourself. High ISO tolerance is personal, and the right limit depends on how large you display the image and how much noise reduction you are willing to use.

Autofocus and shooting speed

I found the viewfinder autofocus fast and effective for photography. The important context is that this is an 11 point system with only the center point using a cross type sensor. It works well when you place the point deliberately, but it does not give you the wide coverage or sophisticated subject tracking of a modern mirrorless camera.

The 6D shoots continuously at up to 4.5 frames per second. That is enough for portraits, travel, landscapes, events, and general photography, but it is not a mainly for sports camera. Fast action is where both the modest burst rate and the older AF layout become more limiting.

Video and audio

The 6D records Full HD video at up to 30p, with 24p and 25p options. It can also record 720p at up to 60p. You get a 3.5mm external microphone input and mini-HDMI output, so the connection options are better than you might expect from an older designed for stills body.

In my test, the camera's Live View autofocus was noticeably slower than its viewfinder autofocus for photos. That makes moving subject video and recording yourself much less convenient. The fixed screen also does not face forward, and there is no 4K.

I recorded a sample with the built in microphone so you can hear it in the video. The test also shows how auto ISO and the camera's rendering respond to changing outdoor light. My overall conclusion is simple: the 6D can record video when you need it, but its video features are nothing special by current standards.

Build and handling

The 6D feels like a substantial, well built DSLR. I like that solid feeling, but it is not a small travel camera. Canon lists the body at about 680 g by itself and about 755 g with a battery and memory card. Add a full frame lens and the complete kit can become heavy quickly.

The 3 inch rear LCD is fixed in place and is not touch sensitive. You do get an optical viewfinder, a separate SD card compartment, and the direct physical controls that make a DSLR comfortable for deliberate photography.

The body was designed with dust and rain resistance, but do not confuse that with waterproofing. Covers need to be closed, seals can age, and the condition of any used body is unknown. I would still protect an older 6D from heavy rain, blowing dust, and other harsh exposure.

There is no in body image stabilization. If stabilization matters, choose an EF lens with optical Image Stabilizer technology or use a tripod and appropriate shutter speed.

Lens compatibility

The 6D uses Canon EF lenses. There is a broad used selection, so you can start with a suitable prime or zoom and add lenses later.

Canon EF-S and EF-M lenses are not compatible. Choose a lens that covers the full frame sensor and has the correct EF mount. Check third party lenses by their exact model rather than assuming every Canon mount lens will work.

Body price and complete kit cost

Under $300 is the price target behind this review, rather than a promise that every current listing will cost less than that. Condition, shutter count, accessories, and seller support all affect the price.

Compare the cost of a usable kit: body, compatible EF lens, battery, charger, and memory card. Inspect the sensor, card slot, buttons, dials, port covers, and signs of impact or moisture. A tested body with useful return terms can be worth paying more for.