L-shaped viewfinder extender?

[Jeff]

I saw some japanese using the L-shaped viewfinder extender (pivotable) to shoot the cheery blossoms some time back. It enables one to shoot at low profile/ weird angle with ease. Is is availabe locally? What is the pricing like?

Thank.

Jeff

 

[Kit]

Angle finder C. Not sure how much its going for though.

 

[ST1100]

About $300.