Different camera bodies have different sensor sizes ... factor to consider about a lens is its maximum aperture. The aperture - also described as the f-number or f-stop - is the size of the ...

These lenses allow more light to reach the camera sensor, thus enabling better performance ... in a widely implemented arrangement." High numerical apertures require complex lens designs with ...

Company bills it as the first lineup of large-format cinema lenses to offer an aperture value of T1.3 across all focal ...

FUJIFILM North America Corporation, Electronic Imaging Division, announces the launch of its FUJINON XF23mmF2.8 R WR (XF23mmF2.8 R WR) lens. Designed with portability in mind, XF23mmF2.8 R WR was ...

Due to the larger medium format sensor, it's necessary to multiply the focal length and aperture by 0.79 to find that the effective focal length and depth of field of this lens is actually 395mm f ...

That’s a direct function of the very small sensors they use. Even with a very wide aperture lens, a small sensor means limited control over DoF. So any mechanical aperture control would need to ...