Hi John,
I don’t know anything about the quality of the lenses but I can give you the
weights:
250 mm + 2x extender: 665 + 400 = 1065 g.
500 mm: 1640 g.
Ferdi
Op 16 dec. 2020, om 18:43 heeft John Inglis <johninglis12@xxxxxxxxx> het
volgende geschreven:
Does anyone know about the quality of the SL66 500mm?
I wonder if the 250mm with 2x extender compares, in part on account of the
lighter weight.