No L-mount deals at Amazon Prime Day. But you can find many useful accessories:
Prime Day Deals at Amazon US, Amazon DE, Amazon UK, Amazon FR, Amazon IT, Amazon ES, Amazon CA, Amazon JP, Amazon CN, Amazon AUS.
Electronic deals at Amazon US, Amazon DE, Amazon UK, Amazon FR, Amazon IT, Amazon ES, Amazon CA, Amazon JP. Amazon CN, Amazon AUS.
Amazon Basics gets 20% off on these pages at Amazon Germany, Amazon UK, Amazon FR, Amazon IT, Amazon ES.
