Yes, we often call them “long” and “short” E but the short E is actually halfway to A. It’s a different vowel even though it’s written the same. The last E is the vowel we often have in unstressed syllables like gekommen, same in English upon, about. We write it as E but it’s basically the most relaxed vowel possible.
Look at this vowel chart to see and hear the differences.
German has a word for this: Wackelkontakt