Your eyes' lines of sight are parallel if you look at objects positioned at a large distance from you. I'm not good in viewing such a #3DStereoPair without a stereoscope (en.wikipedia.org/wiki/Stereos...). I prefer the crossed eyes method.

#crossview #XView

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Mars, captured by Curiosity July 30, 2025 - Sol 4614 Credits: NASA/JPL-Caltech

To go 3D: eyes' lines of sight crossed focusing at point between image and eyes, left image for right eye, right image for left eye. With this technique you don't need any technical device to see 3D.

#SideBySide #3DStereoPair #Crossview #XView #Mars

Power To The People 3D Crossview by Brian Wallace Power To The People 3D Crossview Photograph by Brian Wallace

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#PowerLines #Country #3DStereoPair #SideBySideCrossview #X-View #Feeview #Towers

Jericho Covered Bridge 3D Stereo Crossview by Brian Wallace Jericho Covered Bridge 3D Stereo Crossview Photograph by Brian Wallace

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#SideBySide #3DStereoPair #JerichoCoveredBridge #Crossview #XView #Forest #KingsvilleMD

Path To The Bay Xview by Brian Wallace Path To The Bay Xview Photograph by Brian Wallace

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#PathToTheBay #TerrapinPk #3DStereoPair #SideBySide #X-View #Crossview