Assertion: eyepiece's field | /r/HasProperty | afov
Facets:
Source sentences:
text: It is often referred to as the apparent field of view (AFOV), and it determines the number of objects you can see.
text: Apparent Field of View of eyepiece (AFOV)
text: Apparent Field of View of eyepiece (AFOV)
text: Apparent field of view (AFOV) for 32mm is 45˚ and 4mm to 25
text: Apparent Field of View (AFOV)
text: Steve says: “The body of an eyepiece is normally marked with two important pieces of information; the focal length in millimetres and the apparent field of view (AFOV) in degrees (°).
text: And what's the difference between Apparent Field of View (AFOV) and True Field of View (TFOV)?
text: Another important attribute is the eyepiece’s apparent field of view (AFOV), which will normally be marked on the body along with its focal length.
text: Eyeglass wearers, in particular, need a longer eye relief of 17-20mm Apparent field of view (AFOV) is the angular diameter of the field of view when you look through the eyepiece itself without a telescope.
text: Twice this projection angle (2β) is the apparent field of view (AFOV) produced by the eyepiece.