Cm

Satoshi T The bulb surface is too glossy, it show detail of light source and too many reflection. I understood.
Next chance, I will try to use more soft lighting or no glossy base.
Anyway, very thanks @agnieszka , for your open-hearted point out ! :D

Satoshi T Polarization filter for cut reflex. Thank you @lukas for your nice advice ! :))

Satoshi T I think your lake's reflection is sharp but very natural. Thank you for your follow up, @egzist ! :))

Satoshi T Thank you @Bartłomiej !

Satoshi T Thank you @Lucjan !

Satoshi T Letter as shape of lightbulb. You also come into view is gradually ....

Satoshi T Thanks! @frank !