Products Information

Products Information


HD CCTV lens technology development trends

Molding aspheric technology, Multi-layer broadband anti-reflection coating, 4K Ultra HD Technology, Large aperture technology.

CCTV lens/Security lens (III)

CCTV camera lens: depth of field, Miniature object distance, CS and C mounts, Comparison of non-IR lens and IR lens, megapixel.

CCTV lens/Security lens (II)

CCTV lens: Image size,focal length, field of View, aperture, auto and manual iris.

CCTV lens/ Security lens(I)

CCTV lens Security camera lens

How to select a good machine vision lens?

machine vision lens

Optical lens basics (III)

MTF Aperture Depth of field

Optical lens basics (II)

focal length field of view C mount CS mount

Optical lens basics (I)

Optical lens is an indispensable component in the machine vision system.  It directly affects the quality of the imaging. It affects the implementation and effect of […]

What happens when you focus lenses from infinity to shorter distances?

To focus on shorter distances, s-mount lenses have to be “unscrewed” . On first glance this seems to be very different from larger Lenses like C- […]

What’s the relationship between the main features of a lens?

We describe here the (yes, complicated) relationships between : Focal Length F-Number (=F#) Entry Pupil Exit Pupil Viewing Angle Chief Ray Angle Image Circle Object side […]
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