What is setting 'a' on slr lens?

Answer This stands for 'Aperture'.

Top Q&A For: What is setting 'a' on slr lens

Setting shutter speed on DSLR with an old lens (Helios 58mm f/2 on a Nikon D3100)?

The Helios 58mm f/2 is a preset lens. Preset meaning it has two aperture rings instead of just one (or none). With this lens, to use the camera, you set the aperture size with the numbered aperture... Read More »

How do you control the aperture setting on a Nikon D50 camera with a Nikon DX ED 18-55mm lens?

You recently purchased a quantaray lens 28-200mm D aspherical lens for your nikon D80 camera The lens will not focus on a subject unless you are at least 3 feet away Why is that's?

No. Architectural photography requires control over converging vertical lines. Anytime you shoot a building and don't hold the camera perfectly perpendicular to the building's surface, the vertical... Read More »

Why avast antivirs updates slowly on manual setting and fastly on automatic setting?

Probably because it doesn't actually download a whole new database each time. It doesn't have to discard the entire database just because some new virus definitions got out. All it has to download ... Read More »