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Lens Focal Length & F-Stop Focal Length and F Stop are basic indicators of lens performance Focal Length affects magnification and angle of view, while F-stop affects brightness While a wide variety of lenses are available, they are broadly grouped by focal length and F-stop. Lenses with short focal lengths will have a wide angle of view, while longer focal length lenses will have stronger magnification, creating what is called a telephoto lens. The F-stop value shows how bright the lens is, i.e., how much light will pass through it when the aperture is opened to its maximum. The smaller the aperture value, the brighter the lens. A brighter lens gives a photographer more freedom in a variety of situations. What is Focal Length? Focal length is the distance from the center of the lens to the imaging point (focal plane) where the light for the image is collected. When a lens is described as a "50mm lens," it is referring to its focal length. Different foc

28 JAN 2018 2 Comments by  richardhaw   in  nikon,lens repair,lens maintenance,nikon repair, ,  Nikon,museum,classic lenses, ,  Uncategorized   Hello, everybody! I am going to introduce to you one of my favorite shops here in Tokyo and it’s no other than  Fujiya Camera ! We moved to this neighborhood just because I want to be able to come here often.  Fujiya Camera  is considered by many to be the best camera shop here in Tokyo when it comes to used equipment and service. They are only rivaled by another shop but  Fujiya Camera  is always ahead because their prices are cheaper. For travelers, you can avail of the 8% discount because you don’t have to pay VAT, just show your passport at the counter and they will know what to do. They also accept credit cards and installments. I was tempted to buy a  Nikon D850  here because they have a 72-month 0% installment plan! Good thing I got cheap and skipped. This is the storefront of  Fujiya Camera’s  main shop (本店). The ground level