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iso but when you need high iso it still delivers well the lumix gh6 has an even newer sensor and image processor so you might expect better performance i have compared the two cameras by using the same lens on both the lumix g 14 42mm f 3 5 5 6 zoom lens i had both mounted to a bracket so that they can capture the same field of view in 4k mode 60p 1 60s shutter here is the comparison but the lumix gh6 has another trick up its sleeve the dynamic range boost or dr boost with this feature the camera will process the input signals at two different gains at the same time and then combining them to give better overall dynamic range this works in most video modes but only from iso 800 and upwards i used iso 6400 here with the lumix g 14 42mm lens at f 5 6 and 60 frames per second i think these examples show that the lumix gh6 is even more usable at high iso the video looks more clean at iso 6400 compared with the lumix gh5 12 comments email this blogthis share to x share to facebook share to pinterest sunday 13 march 2022 lumix gh6 high resolution mode looking at the drive mode dial of the lumix gh6 you ll see that it has changed quite a bit from the gh5 the 6k photo has disappeared first of all i think this was sad since i used it quite a lot on the gh5 contrary to what the name indicates this is a video mode not a photo mode and it gives you 5 5k video recording not bad for a consumer camera from 2017 another interesting feature in the 6k photo setting was the pre burst able to capture one second of video recording from before you pressed the trigger which gives a lot of interesting possibilities as this mode has disappeared we get the high resolution mode instead which takes 8 consecutive pictures using the in body image stabilization to slightly move the sensor around to capture a staggering 100mp image with 11552x8672 pixels this mode can be used both on a tripod and handheld and promises to take into consideration objects moving as you take the images so that they still look sane but what does this extra resolution look like and does it give any real world advantage compared with a real high resolution camera i ll check it out in this article for the test i have used the lumix gh6 with the lumix 25mm f 1 4 lens and compared it with the nikon z7 fullframe camera having a 45mp resolution using a 50mm lens with the 2x crop factor of the micro four thirds format both these setups have the same field of view both cameras were placed on tripod and used at base iso for the test i took four different pictures 1 lumix gh6 in the normal mode 25mp 2 lumix gh6 in the high resolution mode 100mp on tripod 3 lumix gh6 in the high resolution mode 100mp handheld 4 nikon z7 45mp to better compare the images i scaled all of them up to 100mp here is what the scene looks like here are 100 crops from the centre to compare click for a larger version as you can see there is a real and very impressive increase in the resolution with the lumix gh6 high resolution mode even in the handheld mode without using a tripod the resolution is clearly larger than that of the nikon z7 with a 45mp sensor sadly i took the handheld image a bit later so the lightning is different but the resolution is clearly very good all the same there are some limitations the iso cannot be set higher than 1600 in this mode the auto iso function is automatically limited to 1600 when you select high resolution also you cannot use longer exposures than 1 second but these are fairly small limitations here is another example image taken in a quite low light situation f 4 1 40s iso 1250 in the scene there is movement a big red bus passing which means that the images captured are different between the 8 frames click for larger images lumix gh6 normal mode 25mp lumix gh6 handheld high resolution mode 100mp nikon z9 45mp first of all the movement seems to be handled very well by the lumix gh6 high resolution mode the bus doesn t get chopped up as you might expect and the persons walking and running also seem normal looking at the comparative resolution click to enlarge again there is an impressive amount of details in the lumix gh6 high resolution mode how about using the feature for wildlife then i tried taking pictures of a crow using the lumix 100 400mm lens at 400mm f 8 the bird was moving while i photographed so i noticed that the camera failed to produce the high resolution image in some cases but here is an example where it did work click to enlarge normal 25mp hand held high resolution 100mp and here are some comparisons click to enlarge in this case i think there is not really any extra resolution in the high resolution picture yes it has more pixels but the real resolution is quite similar i m guessing that as the bird moved during recording the camera discarded many of the input files and was not able to make much use of them 50mp or 100mp with the lumix gh6 you can choose between the ll 50mp mode or the xl 100mp modes how do they compare i have taken pictures at base iso using both modes for a comparison here is the scene it turns out that in both modes you get 100mp raw files but the jpeg files are 8192x6144 50mp and 11552x8672 100mp respectively to compare the details inherent in the jpeg files here is a comparison based on this i would say that you get progressively more details by using the higher megapixel modes however the real advantage of 100mp over 50mp is perhaps not that significant so using 50mp goes a long way in terms of capturing more detail finally here is an example landscape photo which is probably the main use of the feature normal 25mp hand held high resolution 100mp from these crops we see that there is clearly better resolution in the handheld high resolution shot 100mp it was taken at 23mm f 7 1 iso 1000 it is fair to assume that the resolution would have been even better at base iso conclusion the lumix gh6 high resolution mode is very easy and quick to use and gives you a very real and signficant increase in resolution it can be used for pretty much any landscape or cityscape photo you can get both jpeg and raw output in this mode also worth noting is that when you use the high resolution mode you don t only get the combined 100mp image but also one normal image so if it turns out that there is excessive movement in the scene while you record and there are some strange effects because of this you can still just delete the 100mp image and retain the normal one although i have not seen any evidence that movement would be a problem so far so this mode is completely risk free to use when the high resultion mode first appeared on the olympus om d em5 ii i thought it was mostly a gimmick and didn t use it much but with the lumix gh6 this mode seems usable in real life and i am looking forward to using it more 2 comments email this blogthis share to x share to facebook share to pinterest saturday 31 july 2021 gh5 still relevant in a full frame world the consumer camera market has changed a lot during the last ten years a short summary is that the bottom end has disappeared people don t buy entry level cameras anymore they have been replaced with smart phones what remains is the photo enthusiast groups who are motivated by the photographic opportunities realized with higher end camera gear and it is quite widely understood now that a larger imaging sensor gives you better image quality so is there any future for the micro four thirds format and is the camera lumix gh5 still relevant this diagram illustrates the relative sensor sizes for four thirds and full frame the four thirds sensor is about one quarter the size of full frame as the sensor diagonal is one half we say that the crop factor is 2x for some years i have used both micro four thirds and the full frame nikon z system here are two setups with long lenses from both systems in the front i have the lumix gh5 with the leica 100 400mm f 4 6 3 tele zoom lens with the 2x crop factor the focal length corresponds to 200 800mm for full frame systems behind is the nikon z7 with the nikon 500mm f 5 6 fp tele lens the lens is not a mirrorless lens so it needs an adapter to mount to the camera despite having a much smaller sensor the lumix gh5 is about the same size as the nikon camera i think this makes quite good sense the camera is not only about the sensor it also needs a user interface like viewfinder grip buttons display and so on and to be usable the camera needs to have a certain size in my opinion the gh5 has struck a nice balance and it is a very user friendly camera when it comes to lenses the story is different nikon z lenses tend to be way bigger than corresponding lenses for micro four thirds this is still one of the big advantages of the m4 3 system but coming back to image quality how do the systems compare for photos there is no comparison while the lumix gh5 takes very good images the nikon z7 is simply way better as you would expect from a high megapixel count fullframe sensor the resolution is better the dynamic range is better and the low light performance is better if photos is your main interest there is certainly a benefit from changing from micro four thirds to full frame however when it comes to video the lumix gh5 still has a strong edge despite being at the end of the lifetime to illustrate i have edited video examples from both systems into one stream on the top you have the nikon z7 with nikon 500mm f 5 6 and in the lower part of the frame you have lumix gh5 with the leica 100 400mm f 4 6 3 set to 400mm meaning 800mm equivalent with the 2x crop factor on the left you can see the video as it comes straight out of the camera on the right hand side i have applied image stabilization in post processing as i could record using the 4 3 aspect ratio with the gh5 this gives me some more margin to apply image stabilization later we can clearly see that the handhold footage coming from the lumix gh5 is way more stable despite using a lens with 800mm reach longer than the 500mm lens on the nikon system also the nikon z7 footage even after image stabilization has been applied has quite some rolling shutter artefacts which makes it harder to use i could fix most of this as well by using the rolling shutter repair effect in adobe premiere pro but this makes the video less usable so while both cameras and both lenses feature image stabilization the lumix system is way better at actually giving you stable footage and the larger sensor in the nikon camera has slower readout giving you strong rolling shutter effects that makes it hard to use the video output so while nikon z7 is much better in terms of image quality i would still get the lumix gh5 for video and this seems to be panasonic s strategy too from panasonics point if view micro four thirds is not dead but they have adjusted the product line up to match video better panasonic have developed the pair of video oriented lenses recently 10 25mm f 1 7 and 25 50mm f 1 7 these are prestigious high end lenses that are catered towards video professionals and amateur enthusiasts with deep pockets launching these lenses clearly show panasonic s commitment to the system as does their camera news while the lumix gh5 is in my opinion one of the most capable consumer video camera it has been updated to lumix gh5 ii making it relevant for more years to come and as we know panasonic has promised to release the gh6 soon probably in the autumn we see a similar approach from olympus or their newer brand name omd less focus on the entry level cameras and more focus on what micro four thirds does well more compact camera equipment especially tele lenses to cater for bird and wildlife interested enthusiasts who want lighter gear the 150 400mm f 4 5 tele zoom lens is one example showing this strategy so micro four thirds and lumix gh5 are still relevant today but we see that the product strategy is to go for niche markets video and birds wildlife photographers 5 comments email this blogthis share to x share to facebook share to pinterest sunday 30 august 2020 meike 3 5mm f 2 8 circular fisheye lens with olympus recent announcement there has been some concern about the future of the micro four thirds format is panasonic still committed to developing new products considering the two circular fisheye lenses launched within one year though the format seems very much alive i recently reviewed the laowa 4mm f 2 8 circular fisheye venus optics and also compared it with two other circular fisheye lenses i think it is a good and fun lens but now that meike have released the meike 3 5mm f 2 8 circular fisheye lens as well i ll compare them directly meike 3 5mm f 2 8 left and laowa 4mm f 2 8 right circular fisheye lenses both of these lenses were designed specifically for the micro four thirds format yes i know that laowa have also released their lens with a sony e mount however that lens is suboptimal in the sense that the whole image circle only covers a smaller part of the aps c format given the smaller size of the four thirds sensor it was designed for in the first place since this is a circular fisheye lens with an image circle fully enclosed inside both the m43 and aps c image sensors you will get exactly the same image on both systems only with a bigger black area around it on the larger sensor crop factor is just not relevant for these lenses lens meike 3 5mm f 2 8 laowa 4mm f 2 8 format micro four thirds micro four thirds field of view 220 210 weight 190g 135g diameter 61mm 45mm length 48mm 26mm minimum focus distance 0 095m 0 080m amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp lt br amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp gt circular fisheye lenses are exotic enough on their own but the real standout features of these two lenses is the field of view a value above 180 means that the lens not only covers everything in front of it but also details behind it this can be illustrated with this diagram of the laowa lens the meike lens being even more extreme in this regard covers a whopping 220 most circular fisheye lenses only cover a maximum of 180 which is already quite impressive note already now that the meike lens is quite a bit longer than the laowa lens perhaps surprisingly this is a huge advantage the extra length means that the field of view more easily clears the camera grip although you should still try to keep your fingers behind the camera as much as possible to avoid photographing them more about that later design and operation both lenses have a similar design being traditional mechanical lenses made out of metal without any electronics at all the meike lens at a larger size has a more traditional focus ring and aperture ring moving the rings feels somewhat more cheap than the...