The case for buying an APS-C camera over a full frame one has never been stronger. Recent advances in sensor technology, AI-powered noise reduction, and a new generation of fast glass have quietly closed the gap that once made full frame the obvious choice for serious work.
Coming to you from Mark Wiemels, this detailed video breaks down exactly where APS-C cameras hold a genuine edge over full frame, and it starts with price. Wiemels compares Sony's lineup side by side: the Sony a6700 versus the Sony a7C II saves you around $900, while stacking it against the Sony a7R V stretches that gap to $1,300. At the entry level, the Sony ZV-E10 costs roughly 60% less than the cheapest full frame Sony option. But Wiemels is quick to point out that price alone wouldn't be worth a video. The savings compound when you factor in lenses: a Sigma 18-50mm f/2.8 for APS-C runs under $700, while the comparable Sigma 28-70mm f/2.8 full frame version costs nearly $1,000. On a fixed budget, that difference often means the choice between a kit lens and a kit lens plus a quality prime.
Weight is another area where APS-C pulls ahead, and Wiemels makes a practical argument for it. The APS-C lens equivalent of a full frame setup can weigh about 40% less, and that changes your behavior in the field. A lighter kit is the one that actually leaves the house. He also points out that an APS-C body can mount full frame lenses without any resolution penalty, while going the other direction forces a crop mode that throws away megapixels you paid for. Beyond that, the physics of image stabilization actually favor smaller sensors: the corners of a full frame sensor travel farther during stabilization movement, which introduces wobble that APS-C sensors are less prone to. Smaller sensors also tend to run cooler, which matters if you shoot long video sessions.
Then there's rolling shutter, reach for wildlife and sports, and the deeper depth of field that APS-C delivers for product and food work. Wiemels covers all of these, but the part of the video worth sticking around for is his argument about low light. AI-based noise reduction tools have largely neutralized the ISO advantage full frame used to own, but Wiemels goes further than that. He points to a specific lens category that he believes makes the upgrade to full frame unnecessary for most people: f/1.2 primes for APS-C, specifically the Viltrox 27mm f/1.2 and the Viltrox 75mm f/1.2. His argument for why those two lenses specifically close the full frame gap is detailed and visual, and it's the kind of claim that's easier to evaluate when you can see the actual image comparisons yourself. Check out the video above for the full breakdown from Wiemels.
10 Comments
As an amateur, I went from APS-C to full-frame and it's not worth it: much more expensive and much heavier.
Back to the Chevy vs. Ford vs. Mopar wars of the Muscle Car era.
A camera is only as useful as the lenses available for it. APS-C lens selection lags far behind full frame even in dedicated mounts like Fuji X. While many arguments in favor of APS-C are valid, most fall flat when confronted with the abysmal selection of lenses optimized for the smaller format. Using FF lenses on APS-C quickly defeats the cost and size arguments. Math and physics being difficult to argue with, lens equivalence quickly beats up any further arguments.
Do I see AI noise reduction in RAW files?
Can you print RAW files ?
Lots of good points! I save enough on weight and reach to pair my Nikon 50ii with my FF cameras. I didn't decide between the 2 for purchase, but for a trip or a photoshoot. Paired with a pancake 26 f/2.8, I get a dynamite small setup with 39mm equivalent. Or my 100-400 is a 150-600 equivalent. If I were a Sony shooter with APS-C bodies with IBIS, I would be tempted to only have APS-C. Maybe Nikon will introduce a new APS-C model with 33MP and IBIS. The fact that you can always put FF lenses on the APS-C increases lens selection by quite a bit. That's another plus for APS-C!
Ugh! Another video telling us which sensor is best. We are all individuals and should use the gear we feel most happy using. I use FF simply because I like the 35mm look. I also use manual lenses that are designed for FF (matching scale on the lens). With my A7CII the camera is pretty small and I can use some small FF lenses to keep the setup small enough to be my take everywhere camera. All these videos declaring which gear is best just feel like YouTubers finding excuses to create content.
I think it's helpful for those who haven't jumped in the deep end yet. My buddy watched YouTube and researched and decided on the Sony APS-C. Size and quality with maybe a Sigma Lens. He's an accountant and makes decisions very carefully. I loaned him my OM-5II M43 for a week. He is still going to buy APS-C. Another friend who was about to buy a Fuji APS-C tried my OM-5II and he's going to buy the OM System. Better be informed than have buyer's remorse and lose $ on trading gear.
With the A7C series cameras of similar size to the A6700, it really comes down to price and whether there are enough dedicated APS-C lenses in E mount to satisfy. Sorry, I just feel too many videos cover the same subjects over and over as if there’s nothing new to discuss. Granted, we get to watch these videos for free though.
Well, it really comes down to what you´re shooting and how you're comparing. The full frame R8 weighs less than the APS-C R7 and their prices are nearly identical (in Germany) with the R8 beating the R7 on a regular basis on Black Friday and such... Even the R10 weighs only 60 gr less than the R8. It is about 300 € cheaper, but again, with holiday sales rebates it is less... RF 16mm and such are cheaper than sigma primes for RF and native primes don't exist. Next, would be the R50 and it is significantly lighter and it is the first APS to prove your point. But comparing the R50 with R8 is like comparing an MLB team with it AA farm team. So, one can make argument in either way if one wishes.
I shot on APS-C for a very long time, than I switched to full with the EOS R and for while I shot both sensor types with the R7. The reason I stuck with FF was very simple: way better low light performance.
In homes, venues and such where I shot with both cameras using the same lenses and aperture (although different depth of field) as well as same shutter speed, the R7 would need two stops ISO more most of the times. That is a lot! Plus, imo noise reduction works even more impressive with FF sensors. Furthermore, I don't like the argument "I can shoot ISO 12.800 with APS-C and use ai based noise..." reduction for several reasons:
First of all, ISO 12.800 on APS means the image would probably require ISO 6400 on FF or in my experience (just mine) maybe even ISO 3200. That means I could push the ISO way further and have more wiggle room for the aperture and shutter speed. Please compare what the image looks if you shoot it with ISO 12.800 on APS-C and FF. There are huge difference.
There are advantages for APS-C sure, especially when on a budget. That´s why I shot with APS-C cameras for nearly 12 years. But I´d never state APS-C beats FF.