The Beauty of Paradise
Insofar as recurring themes of beauty can be called imagery, it is present everywhere throughout Perelandra. Perelandra is a striking contrast to Thulcandra (Earth); it is a sinless paradise of life and harmony, and it is accordingly quite beautiful. Its landscape is stunning, the colors vibrant, and even the inhabitants are prepossessing. Tinidril herself is described as being remarkably beautiful, as is her husband. The beauty seems to be more than visual as well; the water and atmosphere give Ransom a wonderful clarity for seeing the beauty in everything around him.
A Gun in Paradise
When Weston arrives on Perelandra, everything about him seems sacrilegious. Most notably, he brings a metal revolver, an atrocity marring the natural perfection of the planet. Tinidril does not understand the metal object's significance, but Ransom and the reader do. The imagery of metal weapons of destruction in such a pure and untainted environment is revolting, and it follows Weston throughout the novel.
Shimmers of Light
There are many beings that do not fully appear to Ransom's mortal eyes, such as the eldila and Oyéresu. When these beings manifest themselves to him, they usually appear as mere shimmers of light. This imagery invites contemplation of their trans-dimensional nature and heavenly qualities, an effect most likely intended by Lewis.
Storm Imagery
The weather on Perelandra is always beautiful. On Earth, however, in the limited experience the reader has at the beginning of the novel, it has just finished storming, and the weather is appropriately overcast and shadowy. This darkness shrouding the Earth is a symbolic image of the dark shroud of sin blanketing Thulcandra, as it is described on Malacandra in Out of the Silent Planet. In Perelandra, the weather is a general indicator of the state of a planet's inhabitants' souls.
