My Account 
How to Store Your Photographic Equipment
For many novices, most of them will only consider the of buying a good camera, and neglect how to maintain your photographic equipment. This time
What Is a Fisheye Lens?
Fisheye lens is a special kind of ultra-wide-angle lens. Generally, the angle of view is close to or equal to 180°. Nikon has even introduced
Canon Lens Label Interpretation
AFD：Arc-Form DriveArc DC motor is developed for AF drive of early EF lens. Unlike the USM motor, the AFD motor focus has sound. DO: Multi-Layer
Anatomy of Lens
When everyone started using DSLR lenses, I felt confused: What does the name Canon EF 70-200mm f/4.0 L IS USM mean? What is Nikon DX
9 Basic Knowledge of Lens
How to know the parameters of lens?Each manufacturer has its own definition. Take the above Nikon lens as an example. The lens is DX AF-S
What is Kit Lens?
Many friends who want to buy DSLR cameras often see a term “Kit Lens” on the website. In fact, what is Kit Lens? What is