Подскажите упражнения для развития реакции
Подскажите упражнения для развития реакции. У меня никакой нахрен риакцииб как можно её улучшить?

  • воллейбол и баскетбол хорошо развивают реакцию.
  • Жонглирование!

  • флеш игра матрица - Статьи

    Hands On: Pentax 645D

    Tech Specs

    Copied and pasted from this posting .


    - Targeted towards high level professionals

    - Compatible with the current 645 system lenses by Pentax

    - 40MP Kodak sensor (CCD) 44×33

    - Dual SD/SDHC card slots (no CF)

    - Prime II imaging engine

    - Tempered glass LCD panels

    - 11 point AF sensor

    - In camera HDR

    - ISO 200-1000

    - There is no firewire connection, so unlike other medium format cameras, tethering (if it is even in there) may be limited to USB 2.0.

    - $9,400 in May

    More at DPReview and official release here

    55mm F2.8

    - 43.5mm 35mm equivalent field of view

    - Weather-resistant construction

    - Rounded diaphragm for better “bokeh”

    - Both auto focus and manual focus

    Author’s Edit: I forgot to mention that the Dual SD card slots allow for the use of Eye-Fi cards; which are an acceptable alternative to tethering.


    I didn’t explore this option too heavily but the focusing on the 645D seemed to work very well at the boutique event. The boutique event was very well lit. A camera like this would typically be used on a very controlled set as are most medium format cameras. Other places where they may be used are at weddings and carried by National Geographic photographers to shoot some of the wonderful landscapes that they capture.

    Although the autofocus wasn’t given a full torture test, what is reassuring is that all of Pentax’s flashes will work on the cameras according to the reps that were there. There was only one flash available that was being used by a Pentax professional, so we didn’t want to borrow it from them for the purpose of work being done.


    The grip on the Pentax is extremely deep. In fact, it’s the deepest I’ve ever seen or held. That’s very reassuring when you’re on a set shooting as it is less likely to slip out of sweaty hands—an issue I’ve been dealing with while shooting heavy cameras in the hot NYC summer. Combine this with a good strap that you can wrap around your hand and this camera isn’t going anywhere.

    One of my favorite parts is the mode dial. In order to change the camera from Program to say, Manual mode, one needs to press the center button in and then switch the dial around. Otherwise, the camera will not change. That’s very reassuring after shooting with cameras that tend to get bumped around when at packed events. It throws off all your settings.

    The top LCD screen is big, bright and displays loads of useful information in a way that makes sense.

    The button layout is very intuitive and all the buttons are in fact very large and well spaced out. One of the best parts is the button with the green dot on the back. The purpose of this button is to automatically optimize the exposure settings to offer you the most balanced image possible based upon the metering point. So you the photographer chooses to overexpose a bit and process for that later in photoshop, they can do so and then quickly take the image to be balanced by pressing that one button. It just really speeds up the way things flow when shooting.

    What I really like about Pentax DSLRs is that the depth of field button is right by the shutter and also right by the on/off switch. Twist the switch a little bit to the setting that looks like aperture blades and you’ll get a depth of field preview. This is well worth it for visually impaired photographers like myself.

    As it is, this is the best back LCD that I’ve ever seen on a medium format camera. Pentax really outdid themselves with this feature.

    Ease of Use

    This camera is very easy to use. The menu system is laid out very simply and all the language is very plain and clear so that a photographer coming from another system will be able to ease into it with little difficulty. On top of this, the muscle memory will come very easily. This is very true if you’re a Nikon user or previous Pentax user.


    The camera was not thrown off the Empire State Building or really abused. So this wasn’t tested very much. It does feel very solid though and could easily become a companion to any photographer.

    Image Quality

    During my test, I was not allowed to put a card into the camera because the Pentax Reps didn’t have the OK from the mother company.

    Too bad—at this stage of the game image quality is a paramount feature.

    Outstanding Features

    In one of the photos you’ll see a display level on the rear LCD. This can help to ensure that your camera is straight when you take the photos. Sure you’ll have to look outside of the viewfinder for a second or so but it’s worth it if you’re shooting with a tripod.

    Kuriatnik (Курятник )

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