as weather still evil did some more indoor shots at the 300 range this works out to 480mm
in real terms on digital dslrs the sharpness of the 70-300 di Ld continues to surprise
oh and yes that bulb is well dodgy and needs a good clean..
https://imageshack.com/i/17cdrmj
https://imageshack.com/i/fvtb4yj