Additional types of files may also be using the SCU file extension. If you are aware of any other file formats using the SCU file extension, please contact us so that we can update our information accordingly.
What does SLR mean in photography? It stands for Single Lens Reflex It is a type of camera that uses 1 lens. A long time ago they used cameras with 2 lenses, 1 to see thru and 1 to take the picture with, but noâ¦w they use cameras with 1 lens to do both.
You are here: Home > Shop Our Lenses > Single Vision Lenses. Single Vision Lenses are for correction for one field of vision. Either for distance, intermediate (computer), or near vision (reading). Select a Single Vision lens material or Brand Name. Brand Name Single Vision.