Rudi Sebastian: Water: A Journery Through the Element Category_Photobooks The lens features a newly

The lens features a newly developed ring-type ultrasonic motor SDM

Type 3 is sized for Full Frame sized sensors

This feature is extremely important while focus pulling

All of these technical qualities combined with its rugged metal construction

8 STM has a rugged metal mount

Rudi Sebastian: Water: A Journery Through the Element Category_Photobooks The lens features a newlyWater. The origin of life. The stroke of luck among cosmic coincidences. The chameleon of molecules that makes all the difference. Every living entity depends on its existence. Yet in and of itself, water appears rather modest. Colorless and tasteless, it is only in its environment that water comes to life, receiving color through the reflection of the sky, and dynamism in its movement along rivers, over mountains, oceans, and plains. Photographer