PANASONIC LUMIX G Leica DG Vario-Elmar Professional Lens, 100-400MM, F4.0-6.3 ASPH, MIRRORLESS Micro Four Thirds, Power Optical I.S, H-RS100400 (USA Black)

0:00 0:00 This video is not intended for all audiences. What date were you born? January February March April May June July August September October November December 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946 1945 1944 1943 1942 1941 1940 1939 1938 1937 1936 1935 1934 1933 1932 1931 1930 1929 1928 1927 1926 1925 1924 1923 1922 1921 1920 1919 1918 1917 1916 1915 1914 1913 1912 1911 1910 1909 1908 1907 1906 1905 1904 1903 1902 1901 1900 Submit Adobe Flash Player is required to watch this video. Install Flash Player I wanted to love this lens but as you can see in my video, I keep getting weird focusing issues while recording video. It appears to be pulsing the focus. I have tried every setting imaginable but even with manual focus selected on both the camera and the lens it still happens. It doesnt matter if Image stabilization is on or off in both the camera and lens. I sent my first one in to be fixed by Panasonic and in the end they couldnt fix it. They shipped me a brand new lens. I was out recording with it the other day and saw the same thing happening again with my new lens. Unfortunately my warranty is expired by a couple months. Very frustrated. If you are planning on using this lens for video just know that this is a definite possibility of happening to you. Maybe I just was unlucky and received the only two units that have that exact problem? I highly doubt it. Happening twice in a row is a bad sign.

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I was disappointed in the lens quality of all my previous 4/3 zoom telephoto lens, as they didnt compare with the big boys sharpness. But then I bought this lens, and wow!. The focusing is so fast, and when I pixel-peep on the computer, the sharpness is incredible. I know it took a bite financially when buying it, but now that is past, Im just flat out enjoying this lens! They say you get what you pay for.

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This is not an inexpensive lens, but it does perform. The images come out beautiful and very sharp. It also works well in relatively low light due to its F4 aperture combined with the built in image stabilizer. This acts like true Leica lens.

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A major feature of a zoom lens is the ability to shift quickly between focal lengths. This lens is very difficult to zoom and focal length cannot be adjusted without considerable effort. Im sure the image quality is very good, but I never achieved that level of evaluation.

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Im not a "Pro" photographer but I have been obsessed with using and learning about cameras in the past few years. I have used the 35-100mm f2.8 lens consistently as its been the most versatile lens in my bag for outdoor photography. Pleasingly sharp to my eyes. Id recently gotten into taking action shots at my nieces games with the 35-100 and loved the results. Ive found it very difficult to judge long zoom lenses because they have much shallower depth of field than shorter/wide angle lenses. DOF becomes very shallow once you go beyond 100mm and EXTREMELY shallow at 400mm. If your shooting a distant subject and cropping in a lot, then DOF is big enough to not be an issue. However cropping heavily will kill your image quality. Filling the frame with 400mm AND getting your subject in focus can be very challenging to the point of frustration. This is where I struggle to decide how much of my difficulties with getting really sharp/in focus photos with this lens is because of the very shallow depth of field or the lens itself not being sharp enough to justify the price tag. To be honest after extensive use I think it falls somewhere in between. Ive shot some subjects from close range in pretty good outdoor lighting and had many shots slightly out-of-focus and kept the sharpest in focus pictures I could get. My best shots at 100mm seemed slightly sharper than the 400mm shots.. but again the Depth Of Field is also much shallower and more difficult to achieve good focus. The lens has Optical Stabilization built-in which is nice and also has a 5mm-Infiniti switch on the lens which helps with focusing faster on distant subjects. Overall I like the lens a lot and think it can take great sharp images with practice and experience. Even though there is not much to compare it to in the Micro 4/3rds long zoom arena. I have provided a bunch of previously RAW unedited photos converted straight to the highest quality JPEG I could of several animals that I took at a recent trip in Custer State Park, South Dakota to allow other viewers to be the judge. Most of the images were shot at pretty close range (around 10 feet away for 100mm shots and 20 feet for 400mm shots). The First is of a donkey at the shortest telephoto focal length of 100mm @F8 ISO400. The Second one is a Buffalo 400mm@F8 ISO400. A Third one is a Deer 350mm@F5.9 ISO800. The Fourth Photo is of a bird on a bridge that I shot at 400mm at only about 10 feet away. You can see how razor thin the DOF is at 400mm when you get near its minimum focusing distance. In my opinion the shots are sharp but not razor sharp and I shot several photos with several attempts to get each of the subjects in focus in AFS(Automatic Focus Single) and CAF (Constant Auto Focus). I selected the sharpest of each of the photos that I attempted. Unfortunately all photos are heavily compressed and lower resolution after being posted on the internet. So keep that in mind. Pros: Very long and useful focal range of 100mm-400mm Weather sealed and nearly all-metal construction Amazingly small and relatively light (2.1 Pounds) for such a range of zoom Images appear to be as sharp as my 35-100mm f2.8 at 100mm to around 300mm Auto-focus tracking seems to be pretty solid on still or slow moving subjects Cons: Zoom range from around 300mm to 400mm is pretty stiff and jerky Due to the physics of long focal lengths getting sharp in focus images can be difficult at close range Nailing focus on fast moving subjects is difficult with a low hit rate in my experience (May be due to camera/sensor more then the lens itself) Images at long end of the focal range dont seem to be tack sharp (could be due to focal length and missed focus)

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Spectacular! This lens is exceptionally well built and for its range it is small. The OIS is excellent especially at 400mm and I prefer it to the built in IBIS of my EM1. Focus is fast and accurate and the close focus distance is excellent with almost macro focusing. The only downside is that the lens is a little slow at the long end which is common these days but that is minor compared to the rest of this excellent product.

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I had this unit for since it was first introduced. First of all the zoom ring is stiff as door nail. I have to turn the body to make zoom ring turn. Secondly, the lens is not sharp with blur image at 400mm. I have belabored with so many techniques: sometimes tripod, above 1/1300 sec, Dual IS, manual focus, focus peaking, ... etc. at 400mm vast majority of shots are SOFT and not sharp.

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I have this lens on an Olympus OMD E-M1ii body. Image quality, focusing, stabilization are all super - five star plus. However I experienced a potentially serious problem with the lens. The problem is that on some copies of the lens there is a burr on the inside of the three flanges in the lens mount. This burr causes the lens to be a little stiff to mount and remove and each time you mount and remove it it deposits metallic shavings in the camera body. These shavings can mess up a camera in a heartbeat. It is relatively easy to remove this burr using a small file or screwdriver. Then youre good to go. But you shouldnt have to do this with a $1800 lens. Good quality control should catch it. My brother bought this lens and had no problem, but I am aware of at least one other user who had the same problem.

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Ive been a Wildlife photgrapher for many years with lots of experience with long lenses. Combined with a Lumix G 9, this lens has given me capabilities I could only previously of dreamed of. It is sharp beyond belief. Definitely a Gem. This lightweight 4/3 lens heralds a quantum leap forward in Wild Life photography.

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Recently purchased this lens and took it on a two week tour/cruise to Denali and the Alaska Inside Passage. It served it purposes very well. From 100mm to 300mm images are crisp and sharp. Above 300mm I found some focusing issues but they appear only with pixel peeping. It is a heavier lens and my next purchase will be a monopod. But Im 68 so my hands are not as strong and steady as they once were. Love the lock feature as I hiked all day several days and there was no lens creep. I shoot an Olympus OM D E-M1 Mark II, and the in camera ISS helped but above 300mm I found I need help holding it steady for long periods of time, and even when propped on something focus was sometimes and issue which worsens as you approach 400mm. When paired with a Panasonic G series this maybe less of an issue as the lens ISS will work with the camera ISS as it doesnt on the Olympus. At the lower zoom levels images are very good. Overall I am well pleased and would buy this lens again.

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