Best Mirrorless Cameras of All Time That Built the Format (2026)

Some cameras sell well for a season, while a few change the whole format and keep shaping every body that follows. The best mirrorless cameras of all time are those landmark bodies, from the first full frame mirrorless camera to the first stacked sensor flagship, and this guide explains why each one earned its place in mirrorless history.

Quick verdict on the best mirrorless cameras of all time

Choose the Sony a7 III first if you want one landmark body that still covers stills and video with ease, because its 24.2 megapixel sensor, 693-point autofocus, and 5-axis stabilization form a complete package. The Sony a7 earns its place as the origin point, while the a9, GFX 100, E-M1, GH5, and Z7 each mark a separate turning point.

The Sony a9 is the pick for speed, because its stacked sensor and 20 frames per second shooting with no viewfinder blackout changed what sports photographers expected from a mirrorless body. The Fujifilm GFX 100 is the pick for resolution, because its 102 megapixel medium format sensor brought a new scale of detail to a mirrorless body with in-body stabilization.

The Olympus OM-D E-M1 is the pick for the Micro Four Thirds story, because its 5-axis stabilization and Dual FAST autofocus proved a small sensor system could serve working professionals. The Panasonic Lumix GH5 is the pick for video, because 4K60p, 10-bit internal recording, and full-size HDMI set a standard that later hybrid bodies had to match.

The Nikon Z7 is the pick for Nikon’s mirrorless turn, because its 45.7 megapixel sensor, 493-point autofocus, and new Z mount showed the company could build a high-resolution mirrorless flagship.

Quick comparison table

Use this table to narrow the list before you read the detailed sections. It compares the sensor and stabilization, the video and autofocus, the ports and battery, and the role each body played, so you can see at a glance which landmark fits your shooting.

How we selected

This list reads “of all time” as a hall of fame, not as a ranking of current models, so every body here had to change the format in a way that later cameras copied. Each one introduced a first, set a standard rivals had to match, or proved a new kind of mirrorless camera could work in professional hands.

What makes a camera an all-time great

An all-time great earns its place by changing what came after it, not by topping a spec sheet for one season. The test here is simple: did later bodies copy its idea, did it open a new mount or sensor class, or did it move a whole group of working photographers to mirrorless for the first time.

That test favors firsts with lasting effects over short-lived flagships. A body that merely added megapixels to an existing line does not qualify, while a body that proved a stacked sensor, a medium format mirrorless system, or a full frame mirrorless mount could work does. Every body in this list passes that test in a different way.

The seven bodies also cover the full spread of the format, from the smallest Micro Four Thirds sensor here to a medium format sensor, and from 2013 to 2019. That spread shows how fast mirrorless grew, and it keeps the list honest about which ideas lasted and which ones faded.

Why landmark bodies still matter today

Landmark bodies still matter because the features they introduced are now standard on nearly every mirrorless camera sold. In-body stabilization, on-sensor phase-detection autofocus, silent electronic shutters, and 4K video all moved from bold experiments to expected features, and the bodies here are where those ideas proved themselves.

They also matter as a buying guide for used bodies, because a landmark body that was built for professionals often ages better than a mid-range body from the same year. Weather sealing, a large viewfinder, dual card slots, and a deep grip were pro features first, and they still make an older body pleasant to use long after its sensor has been surpassed.

How this list differs from a current buying guide

A current buying guide ranks the newest bodies by value and features, while this list ranks historical impact and lasting relevance. A brand-new body can be a better buy than every camera here, yet still miss this list, because it has not yet proved that its ideas will last or be copied by rivals.

That difference shapes the trade-offs in each section. Several bodies here record only Full HD video, lack a headphone jack, or use a single card slot, and those limits are stated plainly rather than hidden. The point is not that every landmark is still the best tool for every job, but that each one changed the job itself.

Readers who want the newest body should treat this list as context, not as a shopping list for the latest release. Readers who want a used classic, a second body with character, or a deeper sense of why mirrorless looks the way it does will find the list directly useful.

The cameras in detail

The seven profiles below share one shape, so the bodies can be weighed against each other without hunting for the same facts twice. Each one opens with the shooter it suits, then moves through the sensor, the focus system, the video, the ports, and the limits that matter when the body is bought used today.

Sony a7

This body fits buyers who want the origin point of full frame mirrorless and a compact full frame body with a proven 24.3 megapixel sensor. The Sony a7 pairs that sensor with Fast Hybrid autofocus, Full HD video at 60 frames per second, and a 2.36 million dot OLED viewfinder in a body that weighs far less than the full frame DSLRs of its day.

Sony launched the a7 in late 2013 as the first compact system camera with a full frame sensor, and that single fact is why it leads this list. Before the a7, a full frame sensor meant a large DSLR body, and after it, every major maker had to answer the idea of a small full frame mirrorless camera. The E-mount system that grew around it is now one of the largest lens systems in photography.

The sensor measures 35.8 by 23.9 mm, with an ISO range of 100 to 25600 and shooting at up to 5 frames per second. The autofocus uses 117 phase-detection points plus 25 contrast-detection points, which was a strong system for its year, though it trails the dense autofocus grids of later bodies for tracking fast subjects.

The trade-offs are honest and easy to state. The a7 has no in-body stabilization, so steady shots depend on stabilized lenses or a tripod, and it records Full HD video only, with no 4K recording at all. The single SD slot and the NP-FW50 battery are also limits, so a spare battery and a fast card belong in the bag for long days.

Pros: The first full frame mirrorless body, a 24.3 megapixel sensor in a compact body, Fast Hybrid autofocus with 117 phase-detection points, and microphone and headphone jacks with micro HDMI.

Cons: No in-body stabilization, no 4K video, a single SD card slot, and the smaller NP-FW50 battery that later Sony bodies replaced.

Buy it for the landmark that started full frame mirrorless and for a light full frame body with the E-mount lens range. Skip it if you need in-body stabilization, 4K video, or modern autofocus tracking.

Sony a7 III

This body fits buyers who want the most complete landmark here, because it pairs a 24.2 megapixel back-illuminated full frame sensor with 693-point autofocus, 5-axis stabilization, and 4K video. The Sony a7 III turned the a7 line from a promising idea into the default full frame mirrorless camera for working photographers.

Sony launched the a7 III in 2018, and its balance is what made it a landmark rather than any single headline number. The sensor, the autofocus, the battery, and the dual card slots all arrived together at a level that covered weddings, portraits, travel, and video in one body, and rivals spent years matching that combination.

The sensor measures 35.6 by 23.8 mm and works with the BIONZ X processor, which gives an ISO range of 100 to 51200 and continuous shooting at up to 10 frames per second. The 693 phase-detection points cover most of the frame, and 5-axis stabilization is rated to about 5 stops.

Video is a real strength here, with UHD 4K at up to 30 frames per second and clean output over micro HDMI, plus separate 3.5 mm microphone and headphone jacks for audio control. The NP-FZ100 battery is a large step up from the NP-FW50, and the dual SD slots give backup or overflow recording, which matters for paid work.

Pros: A 24.2 megapixel back-illuminated sensor with 5-axis stabilization, 693-point autofocus with 10 frames per second, UHD 4K video with microphone and headphone jacks, and dual SD slots with a large battery.

Cons: A 2.36 million dot viewfinder that trails newer bodies, a tilting screen rather than a fully articulating one, and autofocus subject detection that is simpler than the AI systems on later Sony bodies.

Buy it for the most complete all-around landmark in this guide. Skip it if you need a fully articulating screen, the newest subject detection, or a higher resolution sensor.

Sony a9

This body fits buyers who want the speed landmark, because its stacked sensor and 20 frames per second shooting with no viewfinder blackout changed sports and action photography. The Sony a9 proved a mirrorless camera could beat the best DSLRs at their own game, and it did so silently.

Sony launched the a9 in 2017 with the first full frame stacked CMOS sensor, and the stacked design is the reason for its speed. The sensor reads out fast enough for 20 frames per second with autofocus and exposure tracking, plus 60 autofocus and exposure calculations per second, so fast subjects stay in focus across a burst.

The sensor is a 24.2 megapixel full frame stacked design measuring 35.6 by 23.8 mm, and the 693 phase-detection points cover about 93 percent of the frame. The 5-axis stabilization is rated to about 5 stops, and the 3.69 million dot OLED viewfinder runs at up to 120 frames per second.

Video reaches UHD 4K at up to 30 frames per second, with separate 3.5 mm microphone and headphone jacks and micro HDMI output, plus an Ethernet port for wired file transfer. The NP-FZ100 battery and dual SD slots, one of them UHS-II, support long shooting days, though the second slot is UHS-I only, which slows clearing when both cards are in use.

Pros: The first full frame stacked sensor, 20 frames per second with no viewfinder blackout, 693-point autofocus across most of the frame, and a 3.69 million dot viewfinder with dual card slots.

Cons: Only 24.2 megapixels for heavy cropping, no 4K60p video, one UHS-II slot and one UHS-I slot, and a body that is now found through remaining stock or used.

Buy it for silent speed and blackout-free bursts on fast subjects. Skip it if you need high resolution, 4K60p video, or two UHS-II card slots.

Fujifilm GFX 100

This body fits buyers who want the resolution landmark, because its 102 megapixel medium format sensor brought a new scale of detail to mirrorless. The Fujifilm GFX 100 pairs that sensor with 5-axis stabilization and 4K video, which no medium format camera had combined before.

Fujifilm launched the GFX 100 in 2019, and its sensor measures 43.8 by 32.9 mm, which is about 1.7 times the area of a full frame sensor. That size gives files of 11648 by 8736 pixels, with room to crop hard and print large.

The autofocus uses 425 selectable points with phase detection built into the sensor, plus face and eye detection, and the 5-axis stabilization is rated to about 5.5 stops, which is a notable feat on a sensor this large. Continuous shooting reaches up to 5 frames per second, which suits studio, landscape, and portrait work far better than fast action.

Video reaches DCI and UHD 4K at up to 30 frames per second, with 10-bit output over HDMI and separate 3.5 mm microphone and headphone jacks. The HDMI connector is micro HDMI Type D, not full size, so buyers should plan the right cable. The built-in grip holds two NP-T125 batteries, and the dual SD UHS-II slots handle the large files.

Pros: A 102 megapixel medium format sensor with 5-axis stabilization, 425-point hybrid autofocus, 4K video with microphone and headphone jacks, and a removable 5.76 million dot viewfinder.

Cons: A large and heavy body, only 5 frames per second for action, micro HDMI rather than full-size HDMI, and very large files that demand fast cards and storage.

Buy it for the highest resolution and the largest sensor in this guide. Skip it if you need fast bursts, a light travel body, or small files.

Olympus OM-D E-M1

This body fits buyers who want the Micro Four Thirds landmark, because its 5-axis stabilization and Dual FAST autofocus proved a small sensor system could serve professionals. The Olympus OM-D E-M1 is the camera that turned Micro Four Thirds from a compact system into a working pro system.

Olympus launched the E-M1 in September 2013 as its premium flagship, and it was the first Micro Four Thirds body to combine on-sensor phase-detection autofocus with contrast detection. That Dual FAST system uses 37 phase-detection points plus 81 contrast-detection points, which gave adapted Four Thirds lenses and native Micro Four Thirds lenses a fast focus path in one body.

The sensor is a 16.3 megapixel Live MOS design measuring 17.3 by 13 mm, with no anti-aliasing filter, and it works with the TruePic VII processor for an ISO range of 200 to 25600. Continuous shooting reaches up to 10 frames per second, and 5-axis stabilization is rated to about 4 stops.

Video is Full HD at up to 30 frames per second, which was standard for its year but trails every 4K body here. The microphone jack is a 2.5 mm minijack, not the 3.5 mm jack found on most rivals, and there is no headphone jack, so audio monitoring needs a separate recorder. The micro HDMI output is Type D, and the single SD slot uses the BLN-1 battery.

Pros: The first pro Micro Four Thirds flagship, 5-axis stabilization rated to about 4 stops, Dual FAST autofocus with on-sensor phase detection, and a weather-sealed magnesium body.

Cons: Only Full HD video, a 2.5 mm microphone jack with no headphone jack, a single SD card slot, and a 16.3 megapixel sensor that trails larger sensors for cropping.

Buy it for the landmark that made Micro Four Thirds a pro system and for compact stabilized shooting. Skip it if you need 4K video, a 3.5 mm microphone jack, or a headphone jack.

Panasonic Lumix GH5

This body fits buyers who want the video landmark, because its 4K60p recording, 10-bit internal video, and full-size HDMI set the hybrid standard of its era. The Panasonic Lumix GH5 is the camera that made Micro Four Thirds the first choice for many independent video makers.

Panasonic launched the GH5 in 2017 with a 20.3 megapixel Digital Live MOS sensor measuring 17.3 by 13 mm, with no optical low-pass filter for fine detail. It records UHD 4K at up to 60 frames per second and 4K at up to 30 frames per second in 4:2:2 10-bit internally, which gave editors far more color room than the 8-bit video on most rivals.

The autofocus uses a 225-point DFD contrast system, which suits video focus pulls and still subjects, though it trails phase-detection systems for tracking fast action. Continuous shooting reaches up to 12 frames per second, and the 5-axis stabilization is rated to about 5 stops, with Dual I.S. 2 adding correction when a stabilized lens is mounted.

Ports are a clear strength, with separate 3.5 mm microphone and headphone jacks, full-size HDMI Type A, and USB-C, plus dual SD UHS-II slots and the DMW-BLF19 battery.

Pros: 4K60p video with 10-bit internal recording, full-size HDMI with microphone and headphone jacks, dual SD UHS-II slots, and 5-axis stabilization in a weather-sealed body.

Cons: Contrast-only autofocus that trails phase detection for tracking, a Micro Four Thirds sensor that is smaller than full frame, and a body that is now found through remaining stock or used.

Buy it for the video landmark with full audio and HDMI control. Skip it if you need phase-detection tracking or a full frame sensor.

Nikon Z7

This body fits buyers who want Nikon’s mirrorless landmark, because its 45.7 megapixel sensor, 493-point autofocus, and new Z mount marked the company’s full frame mirrorless turn. The Nikon Z7 showed Nikon could build a high-resolution mirrorless flagship with its own mount and lens system.

Nikon launched the Z7 in 2018 alongside the Z6, and the Z7 took the high-resolution role with a 45.7 megapixel back-illuminated full frame sensor measuring 35.9 by 23.9 mm. The sensor has no optical low-pass filter, which helps fine detail, and the EXPEED 6 processor gives an ISO range of 64 to 25600.

The autofocus uses 493 phase-detection points covering about 90 percent of the frame, with eye and face detection, and the 5-axis Vibration Reduction is rated to about 5 stops. Continuous shooting reaches up to 9 frames per second.

Video reaches UHD 4K at up to 30 frames per second, with N-Log and 10-bit output over HDMI for external recording. The HDMI connector is mini HDMI Type C, not micro or full size, and the separate 3.5 mm microphone and headphone jacks cover audio. Storage is a single XQD slot that also accepts CFexpress Type B cards, and the EN-EL15b battery supports in-camera charging over USB-C.

Pros: A 45.7 megapixel back-illuminated sensor with no low-pass filter, 493-point autofocus with 5-axis stabilization, 4K video with N-Log and 10-bit HDMI output, and a large 3.69 million dot viewfinder.

Cons: A single card slot, only 9 frames per second for action, mini HDMI rather than full-size HDMI, and a body that is now found through remaining stock or used.

Buy it for Nikon’s high-resolution mirrorless landmark with the Z mount lens range. Skip it if you need dual card slots, faster bursts, or full-size HDMI.

Buying guide for best mirrorless cameras of all time

Start with the kind of shooting you do most, because a landmark for video is not the same as a landmark for stills or speed. Then match the sensor, the stabilization, and the ports to that shooting, check the lens mount and card format, and leave room in your plan for batteries and storage.

Match the body to your shooting

Match the body to your shooting before you compare sensors and stabilization, because the subjects you shoot decide the hardware. Portrait and landscape shooters gain most from the GFX 100 and the Z7, where resolution and detail matter, while sports and wildlife shooters gain most from the a9, where speed and tracking matter.

Video makers should look closer at the ports and the screen, because external audio and a clean HDMI output matter more than megapixels for clips. The GH5 suits video-led work with its full-size HDMI and 10-bit recording, while the a7 III suits hybrid work with its 4K video and microphone and headphone jacks. The E-M1 and the original a7 suit stills-led buyers who rarely plug in a microphone.

Check the lens mount and the card format before you buy

Check the lens mount first, because the mount decides every lens you can use later. Three bodies here use the Sony E-mount, so Sony and third-party E-mount lenses fit all three, while the Z7 uses the Nikon Z mount, the GFX 100 uses the Fujifilm G mount, and the E-M1 and GH5 share the Micro Four Thirds mount.

Check the card format next, because the bodies here use four different storage types. The Sony bodies and the Micro Four Thirds bodies use SD cards, the GFX 100 uses dual SD cards, and the Z7 uses a single XQD slot that also accepts CFexpress Type B cards. Confirm the exact card type before buying, since a fast card matters most for 4K video and long bursts.

Check the battery last, because each body uses its own battery and older batteries are harder to find. The a7 uses the NP-FW50, the a7 III and a9 share the NP-FZ100, the GFX 100 uses two NP-T125 batteries, the E-M1 uses the BLN-1, the GH5 uses the DMW-BLF19, and the Z7 uses the EN-EL15b. A spare battery is worth carrying for every body here.

Plan for batteries, cards, and used condition

Plan for batteries before your first shoot, because mirrorless cameras drain batteries faster than older cameras, and a long day needs a spare. Older batteries also lose capacity with age, so a used body with a tired battery will show shorter shooting days than the original rating, and a fresh spare solves that at once.

Plan for cards too, because 4K video and high-resolution stills fill cards fast and a slow card can stop recording. Buy a fast card that matches the slot, keep a spare in the bag, and format the card in the camera before each shoot, which avoids file errors from other devices. The GFX 100 and Z7 files are the largest here, so they need the most storage.

Plan for used condition last, because most of these bodies are now found through remaining stock or used, and condition varies widely. Confirm the shutter count, the sensor condition, the battery health, and the exact items in the box before buying, and test the autofocus, the stabilization, and every port on arrival. A careful check matters more than any single hardware choice in this guide.

Frequently asked questions

The questions below cover the choices that cause the most confusion after buyers have read the product sections. They focus on whether landmark bodies are still worth buying, which body started the era, and what to check on a used body, so read them before you buy.

Are the best mirrorless cameras of all time still worth buying

Yes, the bodies in this guide are still worth buying for the right shooter, because each one was built for professional work and still produces strong stills and video today. The a7 III is the safest all-around choice, the a9 still leads for speed, and the GFX 100 and Z7 still lead for resolution and large prints.

The limits are real and should shape the choice. The original a7 and the E-M1 record only Full HD video, several bodies use a single card slot, and autofocus tracking on the older bodies trails current models. Match the body to your shooting rather than to its place in history, and the landmark will serve you well.

Which body started the full frame mirrorless era

The Sony a7 started the full frame mirrorless era, because it was the first compact system camera with a full frame sensor when Sony launched it in late 2013. Before the a7, a full frame sensor meant a large DSLR body, and the a7 proved the same sensor could live in a small mirrorless body with an electronic viewfinder.

The a7 also started the E-mount full frame system, which grew into one of the largest lens systems in photography, with lenses from Sony and many third-party makers. Later bodies refined the idea with stabilization, better batteries, and faster autofocus, but the a7 is the body that made the idea real.

Buyers who want the origin point should look at the a7 itself, while buyers who want the refined version of the same idea should look at the a7 III. Both bodies share the same mount, so the lens choice carries across from one to the other.

What should you check before buying a discontinued body

Check the shutter count first, because it shows how much life the mechanical shutter has seen, and a low count usually means a gentler life. Then check the sensor for dust and scratches, the mount for wear, and the screen and viewfinder for marks, since those parts are costly to repair on older bodies.

Check the battery health next, because an old battery holds less charge than a new one, and a replacement battery may be hard to find for the oldest bodies here. Test every port on arrival, including the microphone jack, the headphone jack, and the HDMI output, since a faulty port limits video work even when stills are fine.

Finally, confirm the exact items in the box, including the charger, the body cap, and any grip or battery that should be included. A body sold without its charger or with a third-party battery needs a fresh battery and charger in your plan, so factor that in before you commit.

Conclusion

Choose the Sony a7 III for the most complete landmark here, the Sony a7 for the origin of full frame mirrorless, the a9 for speed, the GFX 100 for resolution, the E-M1 for the Micro Four Thirds story, the GH5 for video, or the Z7 for Nikon’s high-resolution mirrorless turn, and let their ideas guide your next body choice.