What kind of media do I have?

MiniDV

Usually 60 minutes, up to 90 in LP speed

Digital8

Up to 60 minutes

Betamax

From 1.5 to 4.5 hours, depending on recording speed

Betacam / Betacam SP

Large cassette shown, smaller version also

U-matic 3/4 Inch

Two cassette sizes

DVCAM

Large and small cassette sizes

DVCPRO

Large and small cassette sizes

HDV

Small cassette size is more common, but there is a larger one

8mm Film

Note sprocket hole size

Super 8 Film

Smaller hole size

Sound Super 8 Film

16mm Film

Sprocket holes on both sides indicates silent film

16mm Optical Sound Film

Holes on one side, waveform on the other

Technicolor Magi-cartridge

Film will be removed from cartridge before conversion

Polaroid Polavision

Film will be removed from cartridge before conversion

Common Reel Sizes

50 feet, 100 feet, 200 feet, 300 feet, 400 feet

35mm Slide

Most common

126 Format Slide

127 Super Slide

35mm Super Slide

127 Format Slide

110 Format Slide

Sometimes found with just the inner holder

Glass Slide

Half Frame Slide

3D Stereo Slide

Nearly identical images

Medium Format Slide

2.75 inches by 2.75 inches

Slide Magazine

Slides must be removed from magazine and metal frames for scanning

35mm Negatives

Most common

Medium Format Negatives

Up to 2.25 inches by 3.5 inches

Disc Negatives

15 images per disc

110 Negatives

126 Negatives

Half Frame Positives

Standard Audio Cassette

Most hold up to 90 minutes

Audio CD

Holds up to 80 minutes

DAT (Digital Audio Tape)

Reel-to-reel Audio Tape

Reels go from 3 inches to 10.5 inches in diameter

Record - 12-inch

Often referred to as an album, this record is two-sided and can hold about 45 minutes of audio

Record - 7-inch

Often called a single, this record has two sides and usually two different songs

MiniDisc

8-track Tape

4-track Audio Cassette

MiniDVD

Usually video, sometimes data

DVD

Usually video, sometimes data

Blu-ray Disc

HD quality video, sometimes data