How to Choose a Lens Aperture (F Stop)?

Answer One of the most important settings on any adjustable camera is the size of the hole (known as the "aperture") through which light passes on its way from the subject, through the lens, to the film. ... Read More »

Top Q&A For: How to Choose a Lens Aperture (F Stop)

Would taking off the mount on a lens cause the aperture to stop working?

What is the purpose of the pin you took off? Does it push on something that's behind it or complete an electrical circuit that may somehow affect the aperture mechanism?On lots of older lenses ther... Read More »

What is the value of Mamiya 80 mm 1.9 aperture lens?

I'm not too sure what the 1.9 aperture lens is, but the 2.8 is going for between $500-$10,000 on eBay. You can check it out here: Read More »

Does a nikkor 105mm micro lens has a constant aperture of f2.8?

no that is the wide open aperture. It stops down much smaller.

How to Choose the Right Rear Aperture Sight?

Choosing the correct rear aperture sight is an important decision when adding sights to your rifle. If you install the wrong kind of aperture sights, you may end up being dissatisfied with your rif... Read More »