Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

Submit your Photo
Hall of Fame

Please participate in Meta
and help us grow.

New answers tagged


It appears to be a coupler, or a coupler-ring. It is used to attach the head to the tripod and can take a variety of forms. Occasionally, the coupler is a "converter" that has a "male" to "male" pins or "female" to "female" thread sockets. Often, the coupler will also be an "adapter" from 3/8"-16 pitch thread to 1/4"-20. Threads can be right-hand or ...


While there is no universal terminology, your intuition is following the right direction. With a single knob, obviously it adjusts everything. You loosen it to place the head and tighten it when done. Most dual action ballheads though have one knob for releasing the tightness on the ballhead and one for allowing separate rotation at the base. The point is ...


Trust the designers of the lens and get a plate that matches the foot they chose to include with the lens' tripod collar. A plate should ideally be just long enough that the entire foot can rest upon the plate without any more additional overhang than is necessary. You always want to center the weight of the lens on the tripod at a point underneath the foot, ...

Top 50 recent answers are included