About the 'brakes' of digital cameras

Sometimes I come across statements by users of digital cameras that the camera “slows down,” that is, it slows down in certain situations. In this article, I will point out the main problem of braking some cameras.

Digital Camera Brakes

Digital Camera Brakes

I shot on many different cameras, and I have never seen serious problems in the speed of the camera. This does not apply to the speed of the focusing system. Almost all cameras respond very well and quickly to different menu settings, almost instantly execute all the given commands. Even very old cameras, such as Nikon D1H, Canon 350D very smartly think.

The only I observe a serious puncture in the reaction speed of the cameras when working with slow memory cards, or with specific memory cards that may have 'conflicts' with the camera. Often the main cause of brakes in the chamber is the time to initialize the memory card, This is especially acute when viewing pictures.

Almost all digital SLR cameras have a special memory card ready indicator. Usually this is a small bulb of green, yellow or red. When the camera is writing or reading data from a memory card, this indicator burning or blinking. A lit indicator on the memory card means that you can’t remove the memory card from the camera, some cameras even have a special sound notification to prevent data loss if the card is accidentally removed. The memory card may be active even after turning off the camera, for example, when shooting a long series and turning off the camera instantly, the camera stops working, but continues to record files from the frame buffer to the memory card. But besides reading and writing to the memory card, the camera holds some initialization and verification of the memory card. These operations are often the main cause of the brakes.

Memory card indicator

Memory card indicator

I will give an example on my Nikon D700. When I use a slow memory card, when I press the menu button, the camera “thinks” for about 5 seconds before displaying information from the menu on the display. It's damn long. At the same time, the indicator of the active memory card is constantly on. With the same memory card, the camera “thinks” for about 5 seconds after turning on Live View. The shutter opens, but the picture does not appear on the display due to a check of the memory card. The same applies to viewing the filmed material. After clicking on the button for viewing the shot material, there is some delay. I have never seen information on what exactly the camera does all this time. I see this ailment in all Nikon SLR cameras. At Canon, the principle of working with a memory card is slightly different, with fewer such suspensions. I noticed that the larger the capacity of the memory card, the more serious the braking effect is felt due to the initialization of the memory card.

Who faced with this effect, or knows how to solve it, or at least explain it - unsubscribe in the comments. Also a common phenomenon is the slow scrolling of the shot material, this is already connected precisely with the slow speed of reading from the card.

I also want to note that different cameras work differently with a memory card. On some cameras, the card can work very well, without brakes and glitches; on the other, the delay effect when working with the camera will be very visible. From personal experience I’ll say that medium-sized memory cards work very well with good read / write speeds, for example, 16GB 60MB / Sec. And I recommend formatting the memory card precisely through such a function in the camera itself, and not through a computer.


I relate some delays and brakes to cameras with poor quality memory cards. Therefore, I recommend that you carefully select a memory card for your camera.

Do not forget to press the buttons social networks ↓ - it is important for me. Thanks for attention. Arkady Shapoval.

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Comments: 65, on the topic: About the 'brakes' of digital cameras

  • USA

    Hello everyone, I’ve taken a Transcend 5100 class of 10 GB with Nikon d8 and I didn’t want to work with it through the pictures for about 10-20 so the memory card is damaged and does not work,
    so I was a little scared because I didn’t know what to sin on the memory of which I thought was good or for a camera that I hold for the first time especially of this class, in general I changed Transcend to a silicone cover and it worked like an watch and here’s the famous old brand “Transcend”

    • Dmitriy

      The whole point is that the Transcendent transcend has recently been different, a lot of “leftist”

  • Sergei

    the problem is easily solved by purchasing SanDisk ExtremePro 8 GB series, or larger capacity, but 4 to 8 gigabytes is better than one per 32, because it's better to lose a quarter of the footage than everything, all other sd flash drives are complete shit, proven by many years of experience !!!

  • Lev

    Arkady, the speed of the memory card has nothing to do with it. My D700 works great with the pre-revolutionary Kingston Elite Pro (50x) 16GB card, but it stutters wildly with the Transcend 133Gb (XNUMXx).

    This is primarily due to the technology of the location of memory cells - SLC (Single-layer Cell) versus MLC (Multi-level Cell). The first has less access time, but more expensive to manufacture. More recently, all SanDisk cards were made using this technology, but now they have switched to MLC, and access time has been reduced due to the development of a new controller. Apparently, transcend and other manufacturers do not have similar controllers in all cards.

    In my case, taken as an alternative to SanDisk Extreme 32Gb (400x) has an MLC structure and works fine with the D700, the old Kingston does the same, but it is SLC, and Transcend - MLC and slows down.

    By the way, there was a branch on transcenders and D700 on dpreview, where this issue was just discussed.

  • Alexandra

    on my D3100 camera, when recording a video, it slowed down the sound and lagged behind the picture. When I bought a 95mb sandisk, and the problem with the sound disappeared, and the fotik in burst mode takes off very quickly))))

  • Alexander

    I use 2 Transcend UHS-1 memory cards of 32Gb per D7000. Almost instant initialization. Pictures are also quickly saved from the camera buffer. From a card reader of the same company standard USB 3.0 to the computer from these cards via USB 2.0 photos and videos are dropped at maximum speed for the USB 2.0 port. When using USB 3.0, the speed increases very, very significantly. For support of the UHS-1 standard, read the instructions for your camera. In general, for the D7000 I did not find better cards at the right price. Working with them is 100% not annoying. If you take pictures with the Raw + Jpeg series, you need only small pauses when shooting. Although I do not shoot in batches. UHS-enabled cameras are great cards. Feedback for those who doubt what to take ...)))

  • Dmitriy

    Kingstone 32Gb 133x also worked with a delay when turned on on the D300 :(

  • Benjamin

    Good afternoon!
    What is called a “memory card ready indicator”, “active memory card indicator” in the user manuals, for example, the Nikon D700 and Nikon D5100 are called the “memory card access indicator”.
    Over the years of using Nikon DSLRs and SDHC memory cards from class 2 to class 10, I have not observed any glitches.
    Question: Both of these cameras have a green memory card access indicator. Can it change the light from green to red? If so, in what cases?
    Thank you.

  • Dmitriy

    Salute! Will a 700GB card work well on the D64? I choose from these two:



  • Leonid

    “I associate some of the delays and brakes on cameras with poor quality memory cards. Therefore, I recommend that you carefully select a memory card for your camera. ”
    - And this is absolutely correct!
    Camera - Nikon D5300. With a Silicon Power 32Gb or Kingston 64Gb card. So - there is no limit on the capacity of the built-in buffer, i.e. he takes a series of shots until he gets bored of the photograf!
    Rerzhm - maximum resolution, RAW + JPG max. quality
    You in your conclusion were absolutely right, as I was convinced in practice.

    PS I take this opportunity to thank you for the invaluable help of your articles and reviews in my formation as an amateur photographer, they have provided and continue to provide invaluable assistance to me and probably many other people!
    Thanks you!

  • Nikita

    I read clients and ofigel simply.
    Buy cameras for tens of thousands and save on matches using the bottom of a memory card. Well, is it really difficult to buy a quick card right away.

  • Novel

    CF transcend 32 gb 1033x + Nikon d800 at first was not formatted in the body via the menu, but made friends with the camera by pressing 2 format buttons on the camera.

    • Novel

      Sorry not. 1033 and 1066x. Secondly, I figured it out and the camera formats through the menu perfectly too. Now on the work of the card. I came across a good version of the card, for more than 2000 frames, the flight is normal, the reaction in Lavi is good, the recording speed also suits me. But writing to the computer ... here it is different .. On one computer 5GB writes 15-20 minutes (see USB 2.0). But on the second tezhe 5GB flies in 2 minutes (usb 3.0) UDMA 7 card and fotik on the UDMA 7 passport.

  • Vladimir

    Nikon d 3s. Maps transdent and kingston. Everyone hangs when viewing a photo. Extremely served extreme 1 GB died. Vladimir

    • Pokemon

      Used a 32GB Transcend flash drive on this camera. And different -400x, 133x, 600x.
      If you use two cards at once, then it is desirable that they be the same.
      D3c is not a brake chamber at all and usually everything works quickly there.

  • Maria

    A good topic, and, apparently, does not become obsolete.

  • Maria

    Are there situations where even the shutter refuses to fire (especially after a very bulky series, although by all indications the af has worked out (there are plenty of distances and contrasts, there’s nothing to stupidly do), and the button lives without shutter release. Those camera is ready, but not I’m taking pictures. I sin on the memory card, but now I can’t take another one. And I can’t contact the service. The card is old, 8 GB.

    • Denis

      If the card is not fast or not very fast, then after serial shooting, photos from the camera’s buffer are written to the memory card and the shutter cannot be released at this time. You can see for yourself that the green LED for accessing the memory card is lit at this time.

  • Maria

    living *)

  • Jury

    A very strange thing happened yesterday - I took my kidneys on the bushes on the Nikon d500 - looked at the shot slowly and .. after about 10 minutes I already found it in the room - some frames are out of focus on the map (the same kidneys) i.e. completely random. I have never encountered anything like it before. What is it ?

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