(Image credit: Insta360) Insta360 has just introduced a special edition of its thumb-sized Go 3S camera, and its blend of modern 4K tech with nostalgic style is intriguing. Dubbed the Insta360 Go 3S Retro Bundle, the new edition brings the nostalgic film aesthetic into 4K video. This new bundle arrives two years after the original Go 3S launched in June 2024. In our review, we gave the Go 3S a tidy 4.5 stars , and found it packed outstanding features — namely 4K video recording, superb battery life, and cool new functions accessible via its smartphone app. Revival of retro-inspired cameras (Image credit: Insta360) The new vintage-inspired Insta360 Go 3S joins a long line of other cameras revisiting the retro aesthetic. From the Polaroid Go range to the screen-free Camp Snap and every cute camera in between, the retro aesthetic shots are back, and I'm all for it.…