I didn't test EFCS at 1/8000, since there are other reasons to not use it at such high speeds. Why you use 55mm ? That article answered all my questions. 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 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. Repair, Warranty & Spare Parts. Photography meets digital computer technology. […] Kasson did extensive testing of the EFCS on the A7 and A7R. Thus, we have three sets of results: a7R, a7 with EFCS, and a7 without EFCS. Contact support. I repeated the tests today using the EFCS, and added the a7RIII and a9. I decided to start with what should be a pretty easy test, so I used a 55mm lens. I think one of the big reasons that the a7R is more affected is that it has higher resolution to start with. I was intrigued. 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. What do you think? I also got the Sony 85mm f1.8 as it's a no-brainer at the price. Considered the A6000 but the controls and ergonomics are very different, and I want something that is … 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. Now I just need to remember to change the setting. 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. Please LABEL and give clear EXIF data for relevant models for people to see and judge upon. At all times the a7R horizontal resolution (the resolution for vertical edges) is better than the a7’s. I have a couple of f2 lenses, but nothing faster. The fact is that Sony cameras with EFCS (like the original a7) have been out for years now. 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. While most of them only offer an “electronic first curtain shutter” the A7s(II) and and A7rII even offer a completely silent, purely electronic shutter. > Surprisingly, at least to me, is that the a7 is not much affected by its mechanical first curtain shutter. To make the example I simply started pushing the speed up until it became very obvious in the preview. Enabling EFCS on Sony Mirrorless Cameras. 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. 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. With the Nikon D810 and D850, go to: Custom Setting Menu > Shooting/display > Electronic front-curtain shutter > ON. Book, track or maybe even avoid a repair. Dec 12, 2016 at 08:24 AM 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. You will only see the ill-effect of EFCS on bokeh rendering with fast primes at high shutter speeds (>1/1000s). I tend to use f5.6 or f8, and rarely have shutter speed over 1/400. Self-timer set to 2 seconds; OSS set to off. a7rii EFCS and non-Sony lenses: Work ok? Also maybe good at slower shutter speeds. The minimum depth for the bellows is 25mm when tightened all the way. 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. it is not like 24mp is affected to some lesser degree… it is like it is not affected at all (not talking about the situation when you mount tele lens on tripod with A7 attached to that lens, etc)… the way you mount bodies was the same, so it is either the body itself and/or mechanical-wise the shutter in A7 is just not only faster, but better than in A7R (except that really smallish drop @ 1/250 for horizontal resolution, but not as expected for vertical one). Any chance of comparing Ricoh GR, DP Quattro in a studio set up against the big boys ( Canon 5diii, Nikon D8xx, PhaseOne)? What’s wrong with conventional lens screening? How fast is the Sony a7RIV silent shutter. Sony a7III, a7RIII, a9 shutter latency — EFCS. 5.3. The upcoming Sony A7rII full frame mirrorless camera is rumored to feature 36MP sensor, EFCS, IBIS and faster AF. 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. There is a small, but noticeable effect of the a7’s mechanical FCS at shutter speeds of around 4 milliseconds (1/250 second). 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. So we think it is fake. Shop for Sony A7 II Compact System Cameras. Thanks again for all that tesing and sharing! Starting from £729.00. On the A7II and A7R2 the lag was over 300ms. 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. Before it, the Sony Alpha A7S II and A7R II both supported uncompressed raw shooting. But recently I've heard people talking it it messing with the bokeh and image quality. I mounted a Sony/Zeiss 55mm f/1.8 Sonnar FE (hereafter called the Zony 55) to the camera under test. Demonstrate what you can do with this tool & show how the camera furthers your vision. Also what are the advantages? And you can tell us the news & rumors though our contact form.. 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. For example, with the Sony A7 III, you simply go to: Shooting Menu 2 > e-Front Curtain Shut. https://phillipreeve.net/blog/limitations-of-the-electronic-shutter-function/, https://www.fredmiranda.com/forum/topic/1453361, https://www.dpreview.com/forums/post/56328210. I can't really justify the A7Rii or A9, but this seems a reasonable compromise - I get an adequate pixel count, IBIS, electronic first curtain and a few other nice things, for less than moving up to an X-T2. However, on certain cameras – specifically the Nikon D810 and D850 – turning on EFCS sometimes does not do anything. This might make a difference on a7r ii where you need maximum sharpness. In general when you do not shoot shallow depth of field portraits EFCs turned on is a good thing. I converted the Imatest cycles/pixel data to cycles/picture height, and made plots. Enabling EFCS … I mounted a Sony/Zeiss 55mm f/1.8 Sonnar FE (hereafter called the Zony 55) to the camera under test. Yes, i think this was the problem. hiepphotog wrote: If you worry about panos, I don't think it would show up much. There are other factors that come into play. 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). Support by Sony (Mobile App) Never miss an update again! ... less money, smaller files, EFCS. Panos are usually shot at high aperture (f/8 or f/11) so to get 1/1000s or faster would be rare. 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). Image stabilization helps in that regard. Thus, we have three sets of results: a7R, a7 with EFCS, and a7 without EFCS. The A7R had problems with shutter shock so using the electronic first curtain shutter as much as […], Your email address will not be published. Visit our Community and share your experiences and solutions with other Sony customers. I did tests on a tripod and handheld, and with and without image stabilization. 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. Required fields are marked *. Sony A7mk2, Canon 24-105mm f/4, Slik 700DX Tripod. The Menu button located to the left of the electronic viewfinder obviously opens up the camera menu – … OSS to on. The upcoming Sony A7rII full frame mirrorless camera is rumored to feature 36MP sensor, EFCS, IBIS and faster AF. Thank you!!! EFCS on, in the case of the a7II; Manual exposure mode. I mostly shoot portraits at 1/200 or faster so maybe I should just keep it off? Find information and receive instant notifications about your product Thanks to anyone who can clarify. According to the source, Sony will announce the new Sony A7rII in a “silent” just like the A7II. That means it will have the same sensor as the A7R, nor the rumored 50MP.. 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. I lit an Imatest SFRPlus target with a Fotodiox 5500K variable output LED source. June 30, 2018 By JimK 5 Comments. All I know the shutter vibration usually come with longer lens . The uneven exposure issues at higher shutter speeds is more dramatic when using adapted lenses. Archive 2016 · Electronic Front Curtain Shutter on Sony A7 ii. 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) ? > On. Sony have already explained that RAW is still compressed and hasn’t gained in bit depth. Choose from 5 options and Find the best price for Sony A7 II from 28 offers. High speed sync requires that the EFCS is disabled in order to prevent banding. Manual seems to indicates "no". Very useful info here. As in the MTF50 case, the horizontal resolution of the a7R in landscape mode is not much affected by shutter shock with this lens. This compares to a lag as low as 20ms when shooting with EFCS enabled. I currently have the A7r but want a 2nd body and am wavering between the A7II and a used A7. Your email address will not be published. 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 … I'll make sure to turn it off for that but I'll leave it on for general landscape or walk around use. 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… 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? Which would create a 1:1 magnification for a Pentax Camera. I set the ISO to 400, focused wide open, and set the aperture to f/5.6. On some cameras like the Sony A9, this menu option will be under the Shooting Menu. All full frame E-mount cameras (except for the A7r) feature an electronic shutter in addition to the mechanical shutter. The most pronounced effects on bokeh are really apparent after 1/2000s. 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. Since I haven’t tested the a7R with this lens with my new protocol, I tested both cameras. Fred thanks for reply. I am not sure what. So far, I have not seen any ill effects at slow shutter speeds. So is the bokeh worse or is it just different? 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”. 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. ... and thus I parted ways with the 5D3 in favor of an a7 and an a7s— both of which I recently traded in for an a7II. A late reply, but yesterday I finally went out and got an A7ii. Contact your Sony Support team. Those are with the a7RII and the Sony 90/2.8 macro. Thanks so much! Given how important EFCS can be at slower speeds, and how the issues are well known (Sony even mentions them in the manual). Oh snap. It is better to compare with at least 135mm. I didn't mention settings because it happened on so many different settings. Best Prices Best Products Best Shops Best Reviews Price Alerts Price Trends on idealo.co.uk Sony a7 EFCS: how much difference does it make? Say, comparing tonality, vibrations and colour shifts at 400-800asa for a 23 x 34 cm size magazine’s spread. On the a7II, this turns off IBIS. The shutter latency of many A7 cameras limits their use for high speed sync flash photography when shooting moving subjects. I'm seeing A7 bodies on sale used for very reasonable, in the $800-900 range. Since I've owned my A7 cameras I've always had Electronic Front Curtain Shutter turned on. 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. 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. 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. A short while ago, I reported on the shutter latency of the Sony a7III using the all-mechanical shutter. It it messing with the Sony A7 EFCS: how much difference does it make you simply go:! 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