Where is the world's longest lenticular telescope?
In Germany
In France
In Spain
In Norway
Big Spotlight - the world's longest 21-meter-long lens telescope. It is located in the astronomical observatory in Berlin.
reach: rather globalastronomyrecords
Answers by country
In Germany
In France
In Spain
In Norway
answers

18

26

14

140

18

10

242

25

248

3469

91

11

15

11

20

45