DSLR or Mirrorless? Choosing a Camera Body for Dental Photography
8 Jun
Written By Ian Cline
It is one of the most common questions I am asked, and most dentists spend far too long on it. They will agonise for weeks over whether to buy a DSLR or a mirrorless body, then spend about ten minutes thinking about technique. That is the wrong way round. Here is the short answer, and then I will explain it. For clinical dental photography, both will take excellent, consistent images. The body is almost never the thing holding back your photographs. If you are buying new today, a mirrorless body makes the most sense. If your budget is tight, a budget DSLR is not a compromise on image quality, and you can put the difference towards your lens and flash, which matter more.
Why the body matters less than you think
Clinical dental photography is a standardised, repeatable task. You set the camera to manual exposure, you dial in a fixed magnification ratio on the lens and focus by moving towards the patient, and you light the scene with a ringflash or twin flash rather than ambient light. Once those settings are in place they barely change from patient to patient. That standardisation is good news, because it means the clever automatic features that separate cameras in everyday photography are largely switched off for our work. A ten year old DSLR and a brand new mirrorless body, both set up correctly with the same macro lens and flash, will produce intraoral images you would struggle to tell apart. So the real question is not "which takes better photos", it is "which is the better tool to own and to learn on".
The case for mirrorless
If you are starting fresh, this is where I would point most people now.The single most useful feature for a clinician learning photography is the electronic viewfinder. On a mirrorless body you see a live preview of your exposure and white balance before you press the shutter, so you learn far more quickly what a correct image looks like. On a DSLR you are looking through an optical viewfinder and only find out after the fact. Mirrorless bodies are also lighter, which matters when you are holding the camera out for retracted views, and full frame mirrorless has become genuinely affordable. Just as importantly, this is where all the manufacturers are now putting their development. The major brands have effectively stopped designing new DSLRs, so buying mirrorless means buying into the system that will be supported and improved for years to come.
The case for a DSLR
None of that makes a DSLR a bad choice, and I want to be clear about this, because budget is real. A sensibly chosen DSLR with a macro lens and a ringflash will give you superb, publication quality clinical images for noticeably less money than a mirrorless setup. Image quality is not the compromise. If the choice is between a budget DSLR you can afford this month and a mirrorless body you keep putting off, buy the DSLR and start taking photographs. The best camera is the one you actually use.There is also a healthy used market in DSLR bodies and older lenses, which can stretch a tight budget a long way.
Do not forget the lens
This is where a lot of the real money sits, DSLRs and mirrorless bodies use different lens mounts. The good news is that an adapter lets you fit older, cheaper DSLR macro lenses onto a modern mirrorless body with no loss of quality. So one sensible route is a mirrorless body paired with a well priced second hand macro lens through an adapter. That gives you the future proof body without paying the premium for the newest macro lens.
What I use, and what I recommend
For my own work I use a full frame mirrorless body, because the exposure preview, the lighter weight and the longevity of the system suit the way I shoot and teach. For someone on a tighter budget I am perfectly happy recommending a good entry level DSLR, a 100mm macro lens and a ringflash, because that combination has produced thousands of excellent clinical images in the right hands. So if you want a simple rule, here it is. Buy mirrorless if the budget allows, buy a DSLR if it does not, and in either case spend your energy on technique rather than on the equipment. Excellence comes from the system you follow, not from the price of the body.
Frequently asked questions
Will a mirrorless camera take better dental photographs than a DSLR? Not in any way you would notice. With the same macro lens and flash, both produce comparable clinical images. The advantages of mirrorless are in handling and in learning, not in raw image quality.Can I use my old DSLR macro lens on a mirrorless body? Yes. An adapter lets you mount most DSLR macro lenses onto a mirrorless body without losing quality, which is a sensible way to save money.Is it worth buying a DSLR now? For dental photography, yes, if budget is the priority. Just be aware that manufacturers have largely moved on to mirrorless, so a DSLR is a great value choice today rather than a long term investment in a growing system.Full frame or crop sensor? Either works well for intraoral photography. Full frame gives a little more flexibility for portraits and presentation images, but a crop sensor body will serve most clinicians perfectly well.
Getting set up properly
Whichever body you choose, the images come from the system you follow, not the kit alone. If you would like to get set up and confident quickly, that is exactly what our hands-on training is built to do. You can see the dates and venues on our dental photography courses page.
Ian Cline, Founder www.photographyfordentists.com