between F and lens
O - upright
S - Magnified (larger)
T - Virtual
at F
NO IMAGE PRODUCED
between f and 2f
Inverted
Magnified
Real
at 2f
O - inverted
S - same size
T - real
beyond 2f
O - inverted
S - reduced (smaller)
T - real
at infity
O - inverted
S - reduced (smaller)
T - real
CONCAVE LENS
O - upright
S - smaller
T - virtual