Authentic  Russian Navigational Scope from Soyuz Spacecraft
Part of the International Space Collection of

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This is a FLOWN Navigational Scope which was used onboard a Soyuz capsule. It allowed the crew to line up the spacecraft for retrofire and return to Earth even if all other spacecraft systems failed. The Scope also allowed cosmonauts to determine the attitude, range, and range rate information for docking with the ISS. 

It is an important, rare piece
of Russian Space History.

The unit, known as Optical Device VSK4-SB12
was also called the Russian Vzor Periscope.
 It measures 13"x14" and was used on a Soyuz spacecraft.

Below is the unit mounted in a Soyuz space capsule.

    The Navigational Unit has a central viewing area and eight ports arranged in a circle around the center. When the spacecraft is perfectly centered in respect to the horizon, all eight of the ports light up. Alignment along the orbit was judged by getting lines on the main scope to be aligned with the landscape. In this way, the spacecraft could be oriented correctly for the re-entry maneuver.  This device was removed from a flown Russian Soyuz capsule.

    Here is an outside view of a Soyuz Spacecraft.

Click Here for more info in the Soyuz Spacecraft

In July, 2004 we were fortunate enough to actually acquire this authentic Spacecraft Navigational Device

Here is our Soyuz Navigational Scope on display at the Museum of Discovery & Science in Fort Lauderdale, Florida.

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