Forterra, Inc. manufactures water and drainage pipe and products in the United States and Eastern Canada. It also manufactures structural and specialty precast products, and precast concrete bridge girders; and prestressed concrete, welded steel,â¦.
Called double data rate (or DDR), it let the memory transfer data on both the rising and falling edges of the clock signal, giving it the capability to move information nearly twice as quickly as with regular SDR SDRAM.
So there you have the difference between digital and film. Coming to SLR: It stands for Single Lens Reflex. DLSR stands for Digital SLR. So the difference between SLR and DSLR is primarily the difference in the recording medium they use. Now let's get to what an SLR camera (be it digital or film-based) is: