Here’s an analysis of one of the horizontal edges in the target with the a7RIV shutter set to mechanical, electronic first curtain (EFCS) and fully electronic (what Sony calls Silent Shooting). What’s up with that? The effect on images may vary depending on the camera model and camera settings. Fuji X-H1 vs. Fuji X-T3? Excellent stuff, Jim. Not much to choose between the a7R and a7RII mechanical shutters, or between the EFCS and the silent shutter. Camera on an RRS TVC-43 with an Arca Swiss C1 head, RRS L brackets on the cameras, but not used for mounting. And I don’t usually — with one exception that I can think of when I thought I had a bad copy of the CO 60/4 macro and rented another copy from Roger at LensRentals — rent or borrow equipment, because I don’t like to feel rushed when I’m testing gear. Silent shooting with the Sony A7R III is impressively, well, silent. Granted it is used, but is that normal? How fast is the Sony a7RIV silent shutter? The horizontal axis is the inverse of the shutter speed: if you see 160, it means 1/160 second. May it be The vertical axis is average, or mean, or mu of the MTF50 (the spatial frequency where the modulation transfer function is 50%) measures in cycles per picture height. Third, in the testing that Mike Collette performed on the a7R, the main source of the vibration came not from the release of the shutter curtains, but by the winding of the shutter, which occurs after the shutter release is pressed in mechanical shutter mode, but (obviously) before the first curtain is released. This lens doesn’t appear to be as sharp as the 180/3.4. The filter: Heliopan 77mm variable neutral density. The lens: the Leica 280mm f/4 Apo-Telyt-R. Required fields are marked *. Any suggestions? First off, I don’t test cameras and other equipment that I have no interest in using. The dark blue line is for the mechanical shutter, and the blue dots are the measured points.The mechanical shutter curve behaves pretty much as expected. I exported crops of the slanted edge target as TIFFs, and computed MTF50, which is a good proxy for sharpness, using Imatest. Be among the first to get the latest Sony news in your inbox. There are  two possible reasons, and they both probably play a part. With Fuji, the sensor has IBIS but in the GFX100 and X-H1: When running silent, the mechanical shutter is open and the sensor does all the work. Sadly I have an A7r and don’t feel inclined to fork out 3k for the Mk2 version at this point. I did not use portrait orientation, which would accentuate the effects of the shutter motions on the a7x cameras, since I don’t yet have an L-bracket for the a7RIV. Your email address will not be published. Thought so. I set the compression to none, the ISO to 100, the lens to f/4 and mounted the cameras in landscape orientation in turn to a 5-section Gitzo travel tripod with a light RRS ball head, using adapter plates on the body of the cameras, which is the most stable location with the cameras in landscape orientation. That’s because the bulk of the motion imparted to a tripod mounted mirrorless camera with no added delay between winding the shutter and firing the first curtain comes from the winding action, not the motion of the first curtain. I actually thought the XH1 has sharper images than the XPro2/XT2 due to the damped shutter but it would be interesting to see if your advanced measurements support that hypothesis that cameras with spring balanced shutters are superior to the A7R3. A data point on Leicas and shutter shock. That’s 100 milliseconds, or 1/10 second. The vertical axis is average, or mean, or mu of the MTF50 (the spatial frequency where the modulation transfer function is 50%) measures in cycles per picture height. Out of concern for focus shift during 500-shot series, I put away the 135 mm f/2.8 Batis native E-mount lens, and took out a 135 mm /f2 Zeiss Apo-Sonnar F-mount lens and a Kipon F-to-E adapter.     https://en.wikipedia.org/wiki/Tuned_mass_damper Photography meets digital computer technology. Lens collar mounted to head with RRS generic plate. The impact on the image quality is barely noticeable. -In silent shooting it exposes, but it's a very black frame.-> I tried turning silent shooting off and taking a shot and got "camera error, cycle power please", which remained even after the camera had been switched off. In fact, it works so well that going all the way to silent shutter mode doesn’t bring any significant improvement on single shots, although it almost certainly would on a series of exposures made in a short period. Unfortunately mounting a big, heavy lens like the 280/4 to the front of the camera unsupported is a recipe for damaging the lens mount. How fast is the Sony a7RIV silent shutter. With your infinite amount of time and desire to investigate cameras for the whims of the internet…. Hi guys, so I just got the Sony a7rii from KEH that I posted about earlier this week. Silent Shooting mode uses an electronic rolling shutter, and yes, Sony a7S has Silent Shooting Mode but it’s 12mp sensor means much less data needs to steam from the electronic rolling shutter. Just looking at this post though, it suggests: For A7R3, ECFS is great and has no issues. What’s wrong with conventional lens screening? How come? But hey, there is no sun there so let them enjoy the camera as first :) How to Set Up Silent Shutter Mode on Your Sony a6500. So far everything is working as expected. 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. Now let’s look at the vertical edge, first for the a7RIV: Now, except for the electronic shutter case, we see blurring at longer shutter speeds. How does the GFX100 compare to the GFX50? Camera Labs gives us our first look at how well the Sony a7III electronic shutter works and it’s not much better than other cameras so the Sony a7III electronic shutter should be reserved for subjects not in motion. Re EFCS vs Silent performance: I don’t think a 1 bit difference in the encoding at these contrast ratios should affect MTF results obtained through the slanted edge method. Amazing!!! An aside: I’m curious if you notice any measurable image degradation with the variable neutral density Heliopan 77mm filter. Photography meets digital computer technology. In my first run of tests, I ran into two serious issues, either one of which would have made me have to throw out all the data and start over. There’s a drop-down menu there that you can use to get to all the posts in this series; just look for “A7RIV”. The bad news? If the motor is suspended, it will, and will have the additional advantage of not unsettling the IBIS system in cameras so equipped. I think the main mechanism for this was the IBIS recentering the sensor after it had been decentered by its attempt to deshakify (that’s a technical term) the previous exposure. Not until you get to very high attenuation. Sony a7rII Shutter Button Soft? But there are unfortunately some limitations you should be aware of. When running silent, the mechanical shutter is on vacation: the sensor does all the work. You should be able to find all the posts about that camera in the Category List on the right sidebar, below the Articles widget. Even if [ Silent Shooting] is set to [On] , the operating sound of the aperture and focus will sound. Looks like the a7RII mechanical shutter is a bit better than the a7R one. (50hz through most of the rest of the world). If you’ve been using Sony cameras for any length of time, you know how clunky it can get. What ‘s the difference in terms of mechanical parts that move between the two modes? I think the main reason is that I couldn’t get far enough away from the target. Making your Sony a7iii shoot silently isn’t available in every shooting mode, and not every feature is available when you turn the silent shooting on (more on that below). (Leica). Manual focusing wide open, then lens set to f/6.9 (halfway between f/5.6 and f/8). The blue curve is the a7R, and the red the a7RII with the mechanical shutter engaged. The EFCS on the a7RII works great. In the United States and Canada, artificial light has a frequency of 60hz. When shooting with the mechanical shutter all previous Sony Cameras had a little lag in the EVF display, the A7RIII is the first Sony camera to offer a fully lag free shooting with the mechanical shutter . Details follow. The second was an unplanned side effect of a well-meaning decision. Released five years after the original A7, the Sony A7III marks the third generation of Sony’s ‘entry’ level full-frame mirrorless camera series. So I took some pictures using RAW, uncompressed, silent shutter mode and no flash. The first was just a dumb move on my part: I accidentally left IBIS on in both cameras, even though they were mounted on a tripod. -Yes, shutter is visible and appears fully 'closed', covering the entire sensor. The effect of this countermeasure is astounding. At low speeds, most of the vibrations have damped down during most of the time the shutter is open, so there’s not much blur. Develop in Lightroom 5.7.1 with standard settings. Any photo editing software will damage this data. Here’s the mechanical shutter data for both cameras: The heavy lines are the means of the MTF50s. 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. I can’t explain this. ... Press the MENU button → (Shooting) → Shutter/Silent → Shutter Type → Electronic Shutter. The a7RIII has a silent shutter mode. The availability of EFCS has pushed shutter shock way down in my testing priority list. If each cycle is 1/120 second, that means the silent shutter takes 12/120, or 0.1 seconds to scan the whole frame. Brace yourself. Even if a quantization error were introduced it would look like additional noise in the Edge Spread Function, which would show up as modulation of the results: but here the average is consistently lower. All full frame E-mount cameras (except for the A7r) feature an electronic shutter in addition to the mechanical shutter. You’ll notice that there has been a gap in my nearly-daily postings, and it’s not for lack of trying. That EFCS line appears too good to be true, but I double-checked the data. So for underwater shooting in the 1/30th – 1/200th range, it seems like it would be better to use EFCS to keep 13 bits (since all the data is in narrow band of the blue) and the speed isn’t fast enough to cause shutter exposure unevenness. Does an audibly quiet shutter translate into less shutter shock? a7RIV vs a7RIII IBIS performance at 135 mm, https://en.wikipedia.org/wiki/Tuned_mass_damper. A few days ago, I set out to measure the shutter shock of the a7RIII and a7RIV. Check out the video above! And two readers from UK confirmed that they will get their A7rII preorder from Wex UK on July 30 already! The larger pixel size of the a7RIII will smooth things out, but it shouldn’t happen to that extent. The following camera models have an added electronic sound that is always on. The tension of each of these five springs is different because the impact on each of the 5 points is different when the shutter is pressed. I lit my slanted edge target with an Aputure 120d II LED light with a 12-inch parabolic reflector mounted and the light set to 5500K. This mostly affects higher shutter speeds. Banding with silent shutter on Sony A7riii at 1/640 Artificial light is not actually “constant” but has a frequency. Here it is. With EFCS, there’s less vibration because the camera doesn’t have to wind and release the shutter just before the exposure. Second, the vibrations from the exposure one second before the current one may not have completely died away. That is especially true for a big lens which has a relatively low resonant frequency compared to a small one. Photography wins -- most of the time. You might ask why the electronic shutter is better than EFCS in this case. Fortunately, there was a workaround: turn off live view before tripping the shutter. IBIS and shutter shock usually don’t play well together. In order to get 13 bits, I have to avoid bulb, and continuous drive, is there anything else I have to avoid? The shock absorber also contributes to quietness of the shutter.”. Measure MTF50 in Imatest . Setting up silent shutter on your a6500 is very simple to do. How fast is the Sony a7RIV silent shutter? You can't turn off the shutter sound because these models are only equipped with a mechanical shutter. At high shutter speeds, there is little blur because the camera doesn’t have much time to move while the shutter is open. Bryn, Jim, Since you do have a GFX100, it would be interesting to see how the data plots out. Not much difference between silent shutter and EFCS. Other camera models . Unfortunately, in many cases, the shot-to-shot scatter due to autofocus errors was at least as large as the effect I was trying to measure, making it hard to make sense of the results. I know you don’t shoot APS-C but given your relationship with your camera dealer and the common pixel design between the XT3, A7R4, GFX100 it would be interesting to see shutter shock at a pixel level comparison and I am sure the dealer would lend you the XT3 and a 80Macro for a day. Testing and demonstrating the Sony A7II shutter slap sound next to the Sony A7s, which was the quietest shutter in the A7 series, until now. Just like the Nikon Z6 and Z7 and Canon EOS R. But there are specific differences which might affect your decision about which camera best suits your needs. Somewhere, I thought I read that you have used CameraWest before and if so, that gets you access to the M10 cameras. WHen the a7RII came out, shutter shock was no longer much of an issue not because there was a lot less of it with the mechanical shutter, but because it had EFCS. First, the second curtain itself induces vibration. Back to square one, I tried again. Whats the best fix for me? I thought you were tough. The A7Ii … When shooting still images using the [ Silent Shooting] function with low ISO sensitivity, if you point the camera at a very bright light source, high intensity areas on the monitor may be recorded in darker tones. Both the Sony A7iii and Sony A9 / A9ii offer a silent / electronic shutter. Or do I need kryptonite machined weight screwed to the arse of the A7r to stop the shake? For A7R4, ECFS takes care of a lot of shutter stock but if you have a static object, a pure Electronic Shutter is sharper than ECFS. I focused once on the target and made all subsequent exposures (about 500 of them) with each camera without changing the focus. 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