ARCA-SWISS started producing professional cameras in the early fifties. The new Swiss All-Round-CAmeras, ARCA-SWISS, rapidly gained an excellent reputation based on. their precision and handling in practical situations. The first large-format reflex cameras, 6x9cm and. 4x5 appeared in 1960 and were the rage of Photokina.
3. Vertices is another word for angles. A triangle has three sides and therefore three vertices, or angles.    Vertices are corners, so a triangle has three corners, th â¦ us three vertices.    3   Vertices is another term for angles. three    3; a vertice is where the two lines intersect    A triangle has 3 vertices. It also has three angles and sides.
Triangle Classification. The basic elements of any triangle are its sides and angles. Triangles are classified depending on relative sizes of their elements. As regard their sides, triangles may be. Scalene (all sides are different) Isosceles (two sides are equal) Equilateral (all three sides are equal) And as regard their angles, triangles may be