Super 8mm and Standard 8mm Film Sizes.

3 inch Super 8 Reel(76mm)/3mins/50 ft

Chances are you have a load of these small 3inch Super 8 Reels lying around waiting to be converted to DVD.These are the most common and run approximately 3 mins in length.

7inch(127m) Super 8 Reel/30mins/400ft

8 inch/ Super 8 Reel 600feet/40mins