Object - image distance formula of single spherical surface is derived through Times Compensation.

用时间补偿法推导了单一球面的物像距公式。

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Tunable range of the object-image distance and the imaging resolution demanded for the experimental setup should be considered in practical application.

实际应用中要综合考虑具体成像实验装置对于物像距离的可调范围以及成像分辨率的要求。

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The brain gets disoriented trying to reconcile the difference between the distance to the image and the foreshortened viewing angle.

FORBES: Adventures in the Third Dimension

Spectators at that opening ceremony held up a colored piece of plastic under their noses to create an image that, from a distance, looked like a map of the world.

WSJ: Social Media

For those looking to capture a beautiful and sharp image up close or at a distance, the new COOLPIX P520 boasts a 42x optical zoom-NIKKOR glass lens with an impressive zoom range from a wide 24mm to a whopping 1000mm (35mm equivalent), for users that require the very best in performance and versatility.

ENGADGET: Nikon updates Coolpix compact lineup with S9500, sub-$200 S5200 and L28