This likely refers to the source material or the film stock used for the original recording or mastering. 35mm film is a standard film gauge that has been used for many decades in cinema. The mention of "35mm" could imply that the video has been mastered from a 35mm film source, which might be prized for its nostalgic value or specific aesthetic qualities.
This filename refers to , a high-profile fan preservation effort led by "Team Negative1" to restore the original 1977 theatrical version of (A New Hope) in native 4K resolution. Project Overview Star.Wars.4K77.2160p.UHD.DNR.35mm.x265-v1.0-4K7...