Why you use 55mm ? DxOMark Sensor Scores At Camera Decision, we also look at Dxo Mark sensors when available as we think it is a good indicator of image quality. Which would create a 1:1 magnification for a Pentax Camera. I did tests on a tripod and handheld, and with and without image stabilization. The Menu button located to the left of the electronic viewfinder obviously opens up the camera menu – … Sony a7RII EFCS & silent shutter sharpness August 10, 2015 By JimK 13 Comments The data in yesterday’s post was pretty noisy, but it seemed to indicate that somehow the silent shutter mode on the Sony alpha 7 R Mark II (a7RII) might produce images that were slightly less sharp than the electronic first curtain shutter (EFCS) mode. Am I taking an image quality hit by leaving this turned on? You can enter you email to get instantly notified when Sony a7IV is announced … Your email address will not be published. This looks a lot like the MTF50 curve, except that the a7R’s shutter shock does not adversely affect image quality enough to bring it down to the level of the a7. I repeated the tests today using the EFCS, and added the a7RIII and a9. Find information and receive instant notifications about your product Also maybe good at slower shutter speeds. Thus, we have three sets of results: a7R, a7 with EFCS, and a7 without EFCS. So we think it is fake. Manual seems to indicates "no". Shop for Sony A7 II Compact System Cameras. I also got the Sony 85mm f1.8 as it's a no-brainer at the price. Part 2, Sony A7 Adapted Lens Settings - Outside The Shot. Surprisingly, at least to me, is that the a7 is not much affected by its mechanical first curtain shutter. Oh snap. On the A7II and A7R2 the lag was over 300ms. > Surprisingly, at least to me, is that the a7 is not much affected by its mechanical first curtain shutter. At all times the a7R horizontal resolution (the resolution for vertical edges) is better than the a7’s. Those are with the a7RII and the Sony 90/2.8 macro. So far, I have not seen any ill effects at slow shutter speeds. With the light on full and shutter speed set to 1/800 at the start, I controlled the number of photons hitting the sensor with the ND filter until I got to 1/60 second, then I left the filter at that setting, and controlled the light level with the Fotodiox control until I got to ¼ second. ... less money, smaller files, EFCS. Very useful info here. To make the example I simply started pushing the speed up until it became very obvious in the preview. The fact is that Sony cameras with EFCS (like the original a7) have been out for years now. Repair, Warranty & Spare Parts. > On. Thanks again for all that tesing and sharing! Remember, these resolution impairments tend to add up as the square root of the sum of the squares…, > I think one of the big reasons that the a7R is more affected, but the surprise is exactly that A7 was not affected at all in one particular test (the first graph in your post)… isn’t it illogical ? Unfortunately, due to the shutter shock issue of the Sony A7R camera, I was not able to reliably test the Sony FE 70-200mm f/4 OSS lens, particularly at anything longer than 100mm. I currently have the A7r but want a 2nd body and am wavering between the A7II and a used A7. Agree. A community for the Sony A7 / A7R / A7S / A7II / A7RII / A7SII / A7III / A7RIII All genres of photography may be posted but refrain from posting images that are simply snapshots. I shoot quite a bit of stuff with 35,50, and 85 at 1.4 and 135 f2 and I'm usually outside using high speed sync so shutter speeds are pretty high to get rid of ambient. hiepphotog wrote: If you worry about panos, I don't think it would show up much. Starting from £729.00. still does not explain why while A7R (w/ 55mm, body mounted) is noticeably affected by relatively slow moving shutter blade (1/160 x-sync), A7 (w/ 55mm, body mounted) is not with faster moving shutter blade (1/250 x-sync, EFCS OFF)… unless the body material itself makes some difference (plastic front in A7 vs metal front plate in A7R) ? Panos are usually shot at high aperture (f/8 or f/11) so to get 1/1000s or faster would be rare. But recently I've heard people talking it it messing with the bokeh and image quality. Contact your Sony Support team. There has been some debate online (and a lot of hot air) about whether you should be switching the e-front curtain shutter off on your Mirrorless camera. The reason is that EFCS affects badly defocus characteristics of lenses when going above 1/1000 If your shutter speed is in between 1/100 and 1/1000 it is your call what to use. Image processing for in-camera histograms, Making the in-camera histogram closely represent the raw histogram, Leica 90/2 Apo-Summicron ASPH-M on GFX 50S. When Sony originally released the A7R, it did not have an EFCS feature and it had a pretty loud shutter mechanism that caused quite a bit of damage when shooting at particular shutter speeds. Enabling EFCS on Sony Mirrorless Cameras. I mounted a RRS L-plate, clipped it in landscape orientation into an Arca Swiss C1 head which was attached to a set of RRS TVC-44 legs. From what I've heard it is a quieter sound and potentially less vibration. For example, electronic first-curtain shutter (EFCS) is a fantastic tool for any landscape shooter who has a high-resolution camera; fine detail can be destroyed by the slap of a shutter, let alone a mirror. I had no clue why until ran across this explanation: Is it truly only an issue at very large apertures, ~1.4 or larger, or can it affect shots at 1.8/2.0 as well? Photography wins -- most of the time. Before it, the Sony Alpha A7S II and A7R II both supported uncompressed raw shooting. Archive 2016 · Electronic Front Curtain Shutter on Sony A7 ii. You will only see the ill-effect of EFCS on bokeh rendering with fast primes at high shutter speeds (>1/1000s). How fast is the Sony a7RIV silent shutter. That means it will have the same sensor as the A7R, nor the rumored 50MP.. That article answered all my questions. Considered the A6000 but the controls and ergonomics are very different, and I want something that is … Although I am aware of the potential issues regarding high shutter speed using EFCS but sometimes, while shooting in the field, I just didn't think about it. The uneven exposure issues at higher shutter speeds is more dramatic when using adapted lenses. Slicing and dicing the data another way, we can see when the a7R shutter shock degrades sharpness to a7II levels, if MTF50 is your sharpness metric. I'll try some other lenses. So is the bokeh worse or is it just different? A late reply, but yesterday I finally went out and got an A7ii. EFCS and Silent Shutter ZOOM ring operation can be reprogrammed a7II, a6000 - Sony 28/2, 21mm converter, 55/1.8, 16-70/4, Minolta 28-135, 100/2, 80-200 HS G, Minolta 100-300 APO D,MD 35-70/3.5, MC 50/1.4 A reader asked me to run some tests to see how much the a7 suffered from shutter shock with and without the electronic first curtain shutter. Thus, we have three sets of results: a7R, a7 with EFCS, and a7 without EFCS. I mounted a Sony/Zeiss 55mm f/1.8 Sonnar FE (hereafter called the Zony 55) to the camera under test. I set the ISO to 400, focused wide open, and set the aperture to f/5.6. Say, comparing tonality, vibrations and colour shifts at 400-800asa for a 23 x 34 cm size magazine’s spread. https://phillipreeve.net/blog/limitations-of-the-electronic-shutter-function/, https://www.fredmiranda.com/forum/topic/1453361, https://www.dpreview.com/forums/post/56328210. The a7III latency is a lot less with the EFCS, since the camera doesn’t have to wind the shutter before it can get the shot off. But I've just read an article on the web that suggested one way to avoid it is to set the shutter speed to 1/125 and I looking back at previous photos I notice that although there is still some banding at that speed, it's much less noticeable. I mounted a Heliopan variable ND filter on the lens. MTF50 for horizontal edges (the a7 curve with the EFCS on is indicated by the E suffix: You can see that a7R exposures near 10 milliseconds (1/100 second) are affected enough by shutter shock that the vertical resolution drops to that of the a7. All I know the shutter vibration usually come with longer lens . Sony A7mk2, Canon 24-105mm f/4, Slik 700DX Tripod. So, unless you are shooting with fast primes like f/1.4 at high shutter speeds, I would always leave EFCS on to avoid any vibration issues. All full frame E-mount cameras (except for the A7r) feature an electronic shutter in addition to the mechanical shutter. Yet, I would have believed the contrary, such is the sensation of greater purity and fluidity. Enabling EFCS … Any chance of comparing Ricoh GR, DP Quattro in a studio set up against the big boys ( Canon 5diii, Nikon D8xx, PhaseOne)? I processed the images in Lightroom 5.3 with default settings except for cropping and white balance, then I processed them in Imatest, measuring the MTF30 and MTF50 for both vertical and horizontal edges. I was intrigued. Image stabilization helps in that regard. Since I've owned my A7 cameras I've always had Electronic Front Curtain Shutter turned on. Lamp to full, shutter to 1/1000 second, make 16 exposures with new focusing for each, turn the light down a stop, turn the shutter speed down a stop, make 16 exposures… until you get to 1/60 of a second. Sony A7 II and Sony A7 have sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture. Best Prices Best Products Best Shops Best Reviews Price Alerts Price Trends on idealo.co.uk I decided to start with what should be a pretty easy test, so I used a 55mm lens. Two days ago, I posted data for the Sony a7R and a7II paired with the Sony 70-200mm f/4 OSS FE lens. There are other factors that come into play. This hybrid AF system is a combination of phase and contrast detect AF, which allows for much quicker AF acquisition than only contrast detection, which is found on both Sony A7R and A7S. For example, with the Sony A7 III, you simply go to: Shooting Menu 2 > e-Front Curtain Shut. Am i wrong in seeing that their x sync speeds are the worse? The most pronounced effects on bokeh are really apparent after 1/2000s. I'll make sure to turn it off for that but I'll leave it on for general landscape or walk around use. I think one of the big reasons that the a7R is more affected is that it has higher resolution to start with. Visit our Community and share your experiences and solutions with other Sony customers. I tend to use f5.6 or f8, and rarely have shutter speed over 1/400. Sony a7III, a7RIII, a9 shutter latency — EFCS. Dec 12, 2016 at 08:24 AM The upcoming Sony A7rII full frame mirrorless camera is rumored to feature 36MP sensor, EFCS, IBIS and faster AF. Required fields are marked *. Yes, i think this was the problem. 5.3. It is better to compare with at least 135mm. I lit an Imatest SFRPlus target with a Fotodiox 5500K variable output LED source. Since I haven’t tested the a7R with this lens with my new protocol, I tested both cameras. If there was a specific issue caused by EFCS at a given shutter speed on non-native lenses, we'd have examples with specific tests demonstrating the ability to repeat the … The difference in AF performance between the A7 series cameras is quite noticeable, particularly when shooting in good light – the A7 II acquires focus much faster in com… The Sony A7 II comes with an improved version of the hybrid autofocus system found on its predecessor, offering up to 30% faster autofocus performance. Just like other Sony mirrorless cameras, the A7R II is definitely “right-heavy” on the back, with almost all buttons located to the right of the camera LCD. But there are unfortunately some limitations you should be aware of. On the a7II, this turns off IBIS. A Sony a7RII image has been shown on the site: www.sonya7rii.com, which was registered on May 16th.This image is identical to the a7II except for the label. a7rii EFCS and non-Sony lenses: Work ok? High speed sync requires that the EFCS is disabled in order to prevent banding. Sony A7II and the PK to Nex lens adapter. Using the ND filter and the light together to control the, and made a series of exposures of durations from 1/800 second through ¼ second at 1/3 stop intervals. Sony a7 EFCS: how much difference does it make? Photography meets digital computer technology. According to the source, Sony will announce the new Sony A7rII in a “silent” just like the A7II. This compares to a lag as low as 20ms when shooting with EFCS enabled. If you have a Sony mirrorless camera, you will need to find the menu item “e-Front Curtain Shut.” within the Setup sub-menu and change it to “On”. This might make a difference on a7r ii where you need maximum sharpness. I mounted a RRS L-plate, clipped it in landscape orientation into an Arca Swiss C1 head which was attached to a set of RRS TVC-44 legs. I mounted a Sony/Zeiss 55mm f/1.8 Sonnar FE (hereafter called the Zony 55) to the camera under test. And you can tell us the news & rumors though our contact form.. The A7R had problems with shutter shock so using the electronic first curtain shutter as much as […], Your email address will not be published. Sony Alpha a7 IV (Also known as a7IV, ILCE-7M4) is an upcoming professional full frame mirrorless camera expected to be announced in 2021. a7IV will replace currently a7 III.Since the a7R IV (B&H/Adorama/Amazon) and a7S III (B&H/Adorama/Amazon) have been released.So we are near for the a7IV announcement. Support by Sony (Mobile App) Never miss an update again! I converted the Imatest cycles/pixel data to cycles/picture height, and made plots. The EFCS may cause blur or ghost in image at situations such as when using high speed shutter (say 1/8000s) or wide aperture (f1.4 for example). I'm seeing A7 bodies on sale used for very reasonable, in the $800-900 range. In general when you do not shoot shallow depth of field portraits EFCs turned on is a good thing. However, using the Sony and the lens adapter, I think, it adds another 27mm making the minimum effective tube length 52mm and producing a magnification of 1.54. Please LABEL and give clear EXIF data for relevant models for people to see and judge upon. I will have to retest that lens when Sony adds electronic front curtain shutter feature to the A7R, or releases a newer 36 MP+ body with built-in EFCS (yes, the shutter shock on the A7R is pretty significant). Thank you!!! What’s wrong with conventional lens screening? I have had too many images ruined by EFCS when I was not aware that my shutter speed was >1/1000sec, so I leave it disabled most of the time. Fred thanks for reply. indeed… kind of unexpected, may be because of tripod + short (dimensions) lens though (and the story will be totally different with camera in hands). 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