Edmund Optics TFL-Mount APS-C 50mm f/1.8


Edmund Optics TECHSPEC® CA (Compact APS) Series Fixed Focal Length Lenses are designed for high resolution large format sensors. Covering the APS-C format sensors with a 28mm image circle, these lenses feature a TFL Mount. TFL Mounts feature a M35 x 0.75 thread with a 17.5mm flange distance, and offers the same flange distance, robustness, and ease of use as a C-Mount. TECHSPEC® CA Series Fixed Focal Length Lenses offer a compact size while accommodating large format sensors, making them ideal for machine vision and factory automation applications. Compatible with TLF-mount models.

*For US customers only*: This item is subject to a 25% US import tariff duty. To ensure seamless delivery and reduce delays with U.S. Customs and Border Protection, LUCID collects this duty at online checkout. For more details click here.


Edmund Optics Model #11-320
Focal Length50 mm
Aperturef/1.8 – f/16
Working Distance200 mm – ∞
Max Distortion(%)-0.36
Filter ThreadM37.5 x 0.5
Number of Elements (Groups)7 (5)
Outer Diameter50mm
TypeFixed Focal Length Lens
Numerical Aperture NA, Object Side0.06
Field of View, APS-C Sensor93.8mm – 25.2°
Maximum Sensor FormatAPS-C
MountTFL Mount
Field of View, 1/1.8″ Sensor30.1mm – 8.2°
Field of View, 1/2.5″ Sensor24.3mm – 6.6°
Field of View, 1/4″ Sensor15.1mm – 4.1°
Field of View, 4/3″ Sensor72.4mm – 19.6°
Field of View, 1″ Sensor52.6mm – 14.6°
Field of View, 1/2″ Sensor26.8mm – 7.3°
Field of View, 1/3″ Sensor20.1mm – 5.5°
Field of View, 2/3″ Sensor36.1mm – 10.1°

USD $850.00

Login to see prices
SKU: EOCA500 Category:

Technical Drawings

Edmund Optics 50mm TLF Lens