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The magnification effect of wormholes and black holes has been extensivelyresearched. It is crucial to provide a finite distance analysis to understandthis magnification phenomenon better. In this article, the rotationalSimpson-Visser metric (RSV) is chosen as the focus of research. By calculatingthe deflection of light in RSV metric, we determine the resulting magnificationeffect, then applied the RSV metric to specific examples such as theEllis-Bronnikov wormhole, Schwarzschild black hole, and Kerr black hole (orwormhole) to analyze the magnification. We find that Ellis-Bronnikov wormholeonly has single magnification peaks, while Kerr black hole has one to threemagnification peaks. In addition, the article's findings suggest that thelensing effect of the Central Black Hole of the Milky Way Galaxy exhibitsmagnification of multiple peaks. However, it should be noted that these effectsare not observable from Earth.

Can wormholes and black holes be distinguished by magnification?