Unfortunately, I can't answer this question, only digitec itself can say.

It works with a code that you enter when you buy: 19OLY100

Unfortunately not, you can find the sunshade here https://www.digitec.ch/fr/Search?q=LH-40B

Yes, Panasonic and Olympus lenses (m43) are suitable for both devices.

Nein. hier würde ich ein Weitwinkelobjektiv empfehlen..: Panasonic 7-14mm f/4 ASPH. Mega O.I.S. Micro Four Thirds

Cashback means that you will be reimbursed 50.- by Olympus when you register in the existing link. https://bonus.olympus.eu/

After clarification with our responsible department, we are happy to recommend the article which you can view under the following link: Olympus lens cap LC-37B