Ok, this is the best mirrorless camera I've own to date, personally.
Although this is my 4th Olympus OM-D in a row for me to own, and that should say something in itself, want more opinions?...read the reviews on this site and others, or just google this camera and see reviews on Youtube and the web, hard to say anything bad about this latest and greatest version of the highly acclaimed OM-D series from Olympus.
I did sell my much beloved flagship silver OM-D E-M1 to get the E-M5 Mark II.. why? Actually, there are several reasons.
1) For me, the E-M5 MkII has the most features I wanted in this line of camera. It has pretty much all the functions and features of the E-M1, minus the hybrid contrast detect/phase detect AF. That pretty much is it. Although the AF in the E-M1 is one of the best for a mirrorless camera (still not quite the level of DSLR's), the phase detect AF seems more catered to use with the legacy four thirds lenses from Olympus's own four thirds DSLR cameras (prior to the release of the OM-D line). It's suppose to work with continuous AF, but I've also own the original E-M5 Mark 1 and this new Mark 2 and the advantage, honestly, is negligible.. they all lock and focuses about as consistently and fast.. besides, I don't take a lot of action photos with my OM-D's, so it's also not much of a factor to capture action.. HOWEVER, not to say the AF performance is bad on the OM-D's, quite the contrary... I've taken a lot of great shots with the Oly 75-300 at the Sonoma Raceway with very fast cars and was able to nail the shots.. it all boils down to understanding how to use the camera and lock and follow focus and you can certainly do that with the OM-D's.
2) Again, losing PDAF was not a big deal going from the E-M1 to the E-M5 MkII, and the only thing I sometimes miss is the more robust build of the E-M1.. it really has a more solid substantial weight and feel.. feels really nice and pro.. that's due to the integrated grip on the front right side.. it does add a bit of bulk, but it feels so good and secure.. if you want the most secure feeling OM-D in the hands, especially if you plan to use larger and/or heavier lenses, then it may be better to get the E-M1 just for the ergonomics.. Even adding the battery vertical grip feels more solid than the E-M5 version.. mainly due to the fact the E-M5's battery grip is 2 parts instead of a solid 1 piece like the E-M1's... you can just add the grip without the bottom battery portion just to add the extra bit of grip which is great for getting that more secure handling without the extra weight and bulk of the battery compartment vertical grip part.. and if you really need more surface to hold and the extra battery life, then you can add the final battery compartment vertical grip portion to complete the pro look and handling.. Although this 2-part system for the battery vertical grip has a slight tiny feel of play because it's not just 1 piece, it was actually one of the main reasons I went to the E-M5 MkII.. I like the fact it's very modular and you can make it as small or as large as you want as needed. Also, you need this grip if you plan to do more video work as it houses the headphone jack to monitor audio during video filming.. a great idea to add feature and function to an already feature and function packed small camera.
3) Touching on the last point, video! It's much improved. Sure, no 4K, but it is at least to a great standard to its competitors.. better bitrate and framerate options., I really like the fact I can finally shoot in 24fps as well as 60 fps for nice slow motion capture, as well! I look forward to creating videos more, especially since the already 5-axis IBIS has been improved further to the best in the series in this E-M5 Mk II!
4) Again, touching on the last point above, the 5-axis IBIS in the OM-D line was already industry leading, and now it's even better in the E-M5 MkII! It is a huge advantage to take the most stable photos possible. It's so good, you will find a couple less reasons to carry a tripod around.. it can really hold the shot that steady to allow you to shoot with lower ISO and slower shutter speeds.. and I think that's great since some of the arguments against micro four thirds has been the smaller sensor performance with higher ISO's.. with the awesome 5-axis IBIS, you can keep your ISO's low to get the cleanest shot possible and work with lower shutter speeds also.
5) And, once again, touching on the last point about the new 5-axis IBIS, the new mechanics and higher precision performance of the IBIS allows for the much talked about high resolution shot mode which will give you 40mp jpeg files! (I believe up to 64mp as raw files?!) That's like having full frame performance in a much smaller sensor.. even reach near medium format territory. I think it even bests them both in some areas.. check online, I'm sure there are plenty of tests and comparisons to show the advantages and disadvantages of both. Sure, you need a tripod and works best with static non-moving scenes, but it's great trick that really works well when applied correctly. I hope with future firmware upgrades, it may be possible to use high res shot mode hand held and in some situations where some motion is possible.. it's been rumored to be in development, I look forward to seeing such improvements in the near future.. perhaps in an E-M1 Mark II?
4) The aesthetic style of the E-M5 Mark II is the best and most appealing, imho. It looks the matches the look of the old 35mm film OM SLR's of the past the best.. it's lower profile and just looks the sweetest. Even with the vertical battery grip added, if you look at the design and overall profile, it really looks like the old OM with motor drive grip attached! I wish I could have waited for the new limited edition titanium version to be released, it does look sexy in that gunmetal finish (which they call titanium), and comes with some nice extras, but I really do like the silver and black version I currently own and that works for me!
5) The new fully articulating rear LCD is awesome! Definitely one of the best points that I considered getting the E-M5 Mk II. The other OM-D models only had the vertical tilting rear LCD which is great for high or low angle shots in landscape orientation.. but, I take a lot of portraits and it's useless for high and low angle portrait orientation shots which I can often do to take photos of pets and children.. you want to be on the same level to take better photos, right?.. And not just those situations, but you can angle any direction now which really opens the flexibility and usage of the camera to be able to take photos in difficult angles... even flip around for selfies!.. no, I don't take selfies with this camera, but some times I do want to take photos of myself and my girlfriend and this fully articulating screen sure does facilitate those moments much easier... and if I ever want to do self videos seeing what's framed and the settings from the front of the camera is going to be very useful, obviously.
6) There is finally a fully electronic shutter mode. BTW, the new E-M5 Mark II's mechanical shutter sound is the best.. quick, decisive, well dampened and very quiet already, the fully electronic shutter not only allows for 100% complete silent shooting, but ups both the max frame rate up to 1/16000! and also allows for even higher continuous shooting... not sure, but I think it adds 1-2 fps to both the continuous shooting with & without continuous AF. The 1/8000 maximum mechanical speed has always been plenty, even in bright day light, but I really welcomed the fully silent electronic shutter option for moments where you want to be more discreet and low key. I noticed a big difference between this and my older E-M1 I used to own. Note, some lighting conditions don't work well with the electronic shutter.. namely indoor artificial lighting such as florescent tubes and perhaps LED's as they emit a particular frequency that can cause banding in the photos.
7) Going back to the lower physicla profile of the E-M5 Mark II, it is possible because the accessory port that use to be under the hot shoe on the E-M5 and E-M1 models is gone. I'm glad. I never used the accessory port except for using the included FL-LM2 flash when I needed fill flash in a pinch. It is just another port to cover, thus the double overlapping hot shoe and accessory port covers on the E-M5 & E-M1 which makes it extra fiddly, and it's simply another opening for a potential breach in the otherwise excellent weather sealing of the camera.. SInce it's gone, the other benefit is the before mentioned lower physical profile.. the hot shoe is lowered in towards the body more and is not the highest protruding point at the top of the camera.. makes slipping the camera in and out of my bag easier with less obsrtuction.. also, because of this, the hot shoe cover will not shift or fall off when it does move a bit in my camera bag on the E-M5 MkII as it did on the E-M5 Mk1 & E-M1 when I owned both.
8) Talking about the hot shoe and exclusion of the unnecessary accessory port on the E-M5 MkII, there's a new included mini flash with this camera which I really love! The FL-LM3. It's like a mini strobe. It looks good! And very functional! It sits higher than the old included flash (or any in body pop-up flash of other models and other cameras) which is better.. AND, it rotates and titls up for multiple angle bounce flash capabilities.. It will not be as powerful and does not replace a proper speedlight such as the Oly FL-600R which I also have, but it's a nice compact flash which I can carry with me and quickly mount to get some decent fill flash when needed.. comes with small carry case which can attach to a camera strap via velcro loop on the back. Unfortunately, it only works with the E-M5 MkII as the power comes from the camera body when mounted.. which is nice since you don't have to think about extra set of batteries just for that little flash, but too bad it cannot be adapted to work with the E-M5 Mk1 and E-M1.. I anticipate the next E-M1 MkII will probably have this change in the near future.
9) Although the specs and reviews out there say thie E-M6 MkII has the same excellent EVF as the E-M1, my personal experience suggest it is actually improved.. I don't know, but when I look through the EVF of the E-M5 MkII, it's the same size and all, but something about the clarity and detail just looks nicer than the E-M1.. not that the E-M1 was bad, not at all, very good indeed, but the new E-M5 MkII just looks nicer and I love looking through it to compose a shot.. And, I think perhaps the new fully articulating screen is same 3" size, but different technology.. also looks very good!
Ok, this review has become quite long now, but I wanted to express why I love this new camera so much... I'm sure there's a lot more reasons, but these are some that top the list and my mind right off the bat at the time of this writing.
If you are planning on getting this camera, you will love it!.. all the other OM-D's area great too, but for me, this really has everything I want at a very reasonable price. Enjoy!
FYI, if you're comparing to something like Sony A7 cameras and Fuji X Cameras. I've done the same and have always come to conclusion Olympus OM-D has best features for the price.. my opinion.. Sony A7's are really nice, but really expensive.. for now, cost too much to go to full frame mirrorless on the A7's.. perhaps down the line, but I don't find a need for full frame that the M43 Oly's can't more than satisfy. Fuji's are nice and stylish, but I feel they need more work.. something just isn't completely there.. flash system is still not up to par which I use a lot for outdoor portraits where competing with the sun with fill flash at wide apertures and high shutter speeds is a must.. The EVF in the X-T1 for example is a bit bigger than the E-M1 & E-M5 MkII, but neglible in my experience.. the Fuji's refresh rate is the best and lighting quick.. you really see nearly no lag, BUT that's in good and optimum lighting.. when it gets dark, it's one of the noisiest EVF's ever, the OM-D's is much cleaner and easier to see in low light.. also, I find the focus peaking is easier to read on the OM-D's versus the Fuji X cameras.. Sony is up to par with OM'D EVF, but again, the A7 is very expensive system to buy into at this time.