Category Archives: focal
Can i add a 3 inch midrange speaker to my Focal 165 KF speakers?
Can i add them without having to buy a new crossover or anything extra besides installation. If not what would i have to buy? And also where could i buy just the 3 inch midrange speaker like in the Focal … Continue reading
In optics: Is it possible to translate a focal length of a 35mm lens to a magnification value?
For example, if I have a 400mm focal length lens for a 35mm camera, can that translate to a magnification level? Most people that aren’t familiar with optics or photography ask me what kind of lens I have…. when I … Continue reading
What is the focal length of the Internal isight for Macbook pro’s early 2008 model?
Focal length, mm , Cmos camera , chipset, macbook pro It’s NOT "moot" , i know it has a fixed distance. But that does not awnser the question. In other words a fixed lens still has a mm focal length. … Continue reading
How a fixed focal length camera Focus ?
I have a SLR fitted with a prime lens(a lens with fixed focal length – 50 mm). So now that focal length(dist b/w lens plane and focus screen) is fixed, how does the camera focus ? What does the focus … Continue reading
CES 2008: Focal Speakers
New Focal products such as the Focal Dôme are presented. Duration : 0:4:36
What is the focal length of the eye?
When a person focuses on object at infinity from the eye, what is the focal length of the eye? About 17mm.
A lens for a 35mm camera has focal length f=46mm. How close should the film of the lens be placed for an…?
A lens for a 35-mm camera has a focal length given by f = 46mm. A) How close to the film should the lens be placed to form a sharp image of an object that is 5.5m away? B) What … Continue reading
“Focal Point” by Valgeir Sigurðsson 10/04/07 NYC
“Focal Point” by Valgeir Sigurðsson 10/04/07 live in NYC with Nico Muhly. Duration : 0:6:39
when your eye is relaxed, does the lens have its largest or shortest focal length?
when your eye is relaxed, does the lens have its largest or shortest focal length? in this state, can you see more clearly at a distance or up close? is the lens at its fattest or thinnest? The muscle in … Continue reading
ERIC CLAPTON THRU NAD & FOCAL SYSTEM
HEAR AND VISUALIZE THE MUSIC VIA NAD 2/CHANEL AMP AND FOCAL SPEAKERS. Duration : 0:0:48
If you could have only one fixed focal-length lens on your camera, what would it be?
The focal length you should quote should be for the 35mm film format. I’ve just bought an old SLR camera with screwfit lenses, and am curious to what you would recommend to be the lens which I will probably use … Continue reading
An object is placed 25 cm to the left of a lens of focal length 20 cm. Where does the final image form?
An object is placed 25 cm to the left of a lens of focal length 20 cm. 75 cm to the right of this lens is a plane mirror. Where does the final image form? Without the mirror, di = … Continue reading
Valgeir Sigurðsson and Nico Muhly – Focal Point (take 1)
http://lofi.tv – Why post just one version when you have two great takes? In this first go round, Valgeir gets busy with the delay pedal and the trio’s sound is noticeably different. This is a bit of a treat as … Continue reading
why is the focal length of a plane mirror or glass infinity?
well,focal length is distance btwen the focus and the mirror,and focus is the point of convergence or divergence.so in case of plane surface there is no conververgence,so the focus does not exist.so how come focal length is infinity? Saying that … Continue reading
focal 6v1 + audison lrx 2.250
focal 6v1 + audison lrx 2.250 Duration : 0:0:37