The design of the Miners Lantern lamp is inspired by the lamps used by miners in ancient times. IP43 moisture protection requires the use of lamps outside the home, but they can also be placed inside to illuminate the hall, kitchen, etc.

The model is made for smoothing. In the scene using the Turbosmooth modifier there are 0 iterations, when rendering: 2. The pivot is located at the place where the lamp is attached to the ceiling.

Links to manufacturers' websites:

https://www.luminaire.fr/p/suspension-style-lanterne-miners-3048214.html 
https://www.worm.co.uk/products/miners-outdoor-hanging-lantern?pr_prod_strat=e5_desc&pr_rec_id=5f9010bf1&pr_rec_pid=4649056436284&pr_ref_pid=4649056632892&pr_seq=uniform 
https://www.nowlighting.co.uk/products/Outdoor+Lighting/Outdoor+Pendants/Miners+Old+Bronze+Pendant+1+Lamp+by+Elstead+%28MINERS-CHN%29/3479073790
https://www.lightingcompany.co.uk/miners-traditional-porch-or-outdoor-hanging-lantern-p2624 

V-Ray version: 3.5. Those who work in a V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whichever is preferable for you.

Corona version: 5. For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of the materials is adjusted taking into account PBR.