A blank Betamax casette next to a blank VHS cassette for size comparison.
<a href="https://en.wikipedia.org/wiki/User:Senor_k" class="extiw" title="en:User:Senor k">Senor k</a>
<a class="external text" href="https://upload.wikimedia.org/wikipedia/en/3/3c/Betavhs2.jpg">English Wikipedia</a>