Fixed Focal Length Lenses

Fixed Focal Length Lens는 자동화된 기계장치를 사용하거나 검사작업을 하는 다양한 용도에 사용됩니다. Fixed Focal Length 렌즈는 single angular field of view와 고정된 초점거리에 맞게 디자인된 이미징 렌즈 부품입니다. 이 이미징 렌즈들은 일반적으로 최소치의 working distance는 가지고 있어도, 최대값이 없어 무한대로 성능을 향상시킬 수 있습니다. Fixed Focal Length 렌즈에 가까이 있는 물체는 렌즈로부터 멀리있는 물체보다 크게 보입니다. Edmund Optics에서는 광범위한 사이즈, anti-reflection 코팅, sensor coverage, 해상도(MTF), 초점거리, working distance에 맞는 다양한 Fixed Focal Length Lens를 제공합니다.

작은 사이즈를 제공하는 Compact Fixed Focal Length Lens는 자동화된 머신 비전 시스템에 이상적입니다. 또한 Compact VIS-NIR Fixed Focal Length 렌즈는 가시광에서부터 근적외선 영역까지 최적화된 성능을 제공합니다. High Resolution Fixed Focal Length 렌즈는 5 MegaPixel 센서와 호환 가능하게 디자인되었습니다. SWIR Fixed Focal Length Lens는 0.9 - 1.7μm 파장대 영역에서 최적화된 성능을 가지도록 디자인되었습니다.

FAQs

What are fixed focal length lenses?

Fixed focal length lenses, commonly also referred to as factory automation (FA) lenses, C-Mount lenses, or prime lenses, are imaging lens assemblies designed with a singular angular field of view and constant focal length. Fixed focal length lenses typically have a minimum working distance, an optimal working distance, and no maximum working distance. These lenses are available with a variety of mounts, anti-reflection (AR) coating, resolution options, and much more. For more information about fixed focal length lenses and how they differ from other imaging lenses including telecentric lenses and M12 lenses, read about Types of Machine Vision Lenses, Basic Lens Selection, and Advanced Lens Selection.

What different types of fixed focal length lenses does Edmund Optics offer?

Edmund Optics offers a wide selection of fixed focal length lenses, also called FA (factory automation) or prime lenses, in many different focal lengths options, for different sensor sizes, and in a variety of types with additional machine vision utilities.

The TECHSPEC^® C Series Fixed Focal Length Lenses is the flagship family of versatile and adjustable imaging lenses designed for compact use in most machine vision applications and features focal length options from 3.5mm to 100mm. This family of lenses is also available in a wide range of other useful versions. The TECHSPEC^® Ci Series Fixed Focal Length Lenses are mechanically simplified and streamlined versions of the C Series that are industrially ruggedized for instrumentation integration. The TECHSPEC^® Cr Series Fixed Focal Length Lenses are stability ruggedized versions of the C Series with all optical elements glued in place and featuring a C-clamp focus ring for reduced pixel shift and improved focus stability. The TECHSPEC^® Cx Series Fixed Focal Length Lenses are modular and have flexible mechanics for integrating accessories such as liquid lenses, fixed apertures, and more. The TECHSPEC^® Cw Series Fixed Focal Length Lenses are IPX7 and IPX9K waterproof versions of the C Series.

Additional fixed focal length lenses adjacent to the C Series family include the UC Series (ultra-compact), designed for ≤2.2μm pixels, the 2/3” and 1.1” HP Series (high-performance), and the CA Series for APS-C format sensors. All fixed focal length lenses at Edmund Optics can be found on this page.

What types of lens mounts are available for imaging lenses?

Imaging lenses feature a wide variety of lens mounts, all of which offer different benefits. For a more comprehensive breakdown of these types and what they are useful for, read Lens Mounts. The most common mounts used in machine vision are the C-Mount, S-Mount (M12 mount), F-Mount, TFL-Mount, and TFL II Mount. The C-Mount, S-Mount, TFL-Mount, and TFL II Mount types offer robust stability for machine vision systems whereas the bayonet-style mount of the F-Mount lends itself better to non-industrial, photography-type applications. However, the most useful mount type depends on the size of the machine vision camera sensor being used as well as the optical abilities of the imaging lens.