Where was As Seen Through a Telescope filmed?
1900 short film directed by George Albert Smith
As Seen Through a Telescope (1900) was filmed in Hove and St. Ann's Well Gardens, Hove, 2 places named in its Wikipedia article, in the United Kingdom. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Wikipedia's article
The Wikipedia article names 2 places. Each links to the sentence that says so.

