We are familiar that photography can be an expensive activity. In order to get a high-quality photograph, one would need to invest in tools such as a camera or mobile with camera in it before taking photos. In digital cameras, the ideal lenses recommended for interior shots are the lenses with a focal length of 16-35 mm. Then, for a more detailed shot, it is between 35-200 mm. For mobile, Apple's iPhone X, Samsung's Galaxy Note 8 (and recently unveiled Note 9) and Google's Pixel 2 are considered to be good in producing satisfying results. Nowadays, Apple and Samsung are two of the top brand that can be relied on in taking great photos with a minimal tool and effort.
To have a more clear explanation you can go and read the article "What are the Best Lenses for Architectural Photography? (Including Mobile)" with the link below. It has a brief explanation on introducing the lenses used in architectural photography. The article also briefly covers the topic of lighting in order to make your shots look great. I think it is useful for young designers as it can help them to know the possible options before they start.