Prompt + camera brand, lens...

Stock customers are not purchasing your AI text-prompt.  They're purchasing an image. 

If AI image contains a camera, does it look like a Canon EOS R5?

Camera designs are protected by patent.  So that could not be accepted for IP reasons.

Based on your text-prompt as written, I don't see why the camera make/model are relevant. Your subject is an "elegant woman..." not a camera.

https://letsenhance.io/blog/article/ai-text-prompt-guide/

No, you may not use company names or model names in titles or keywords. 

Reread the keyword guidelines here:
https://helpx.adobe.com/stock/contributor/help/titles-and-keyword.html

which specifically state:

Note: Remember to avoid brand names, logos, and trademarks because any third-party intellectual property (IP) captured in your content must be removed or obscured. You can review our property release and trademark/copyright information in our legal guidelines.