Improving Contrast in Print OCR with IR Imaging
In the original image, a white backlight is used without a filter. When a MidOpt® BP850 Near-IR Bandpass Filter is placed over the lens and used with …
In the original image, a white backlight is used without a filter. When a MidOpt® BP850 Near-IR Bandpass Filter is placed over the lens and used with …
This application illustrates how MidOpt® Bandpass Filters can be used with a UV light …
In this plasma bag application, background noise in the form of liquid bubbles
Protective Windows can be manufactured with glass, acrylic, polycarbonate, sapphire, …
Beamsplitters can be designed for specific wavelength ranges from visible to IR, and in various transmission/reflection ratios and can also include an Anti-Reflection coating …
Illumination by a UV light source without a filter over the camera lens does not provide enough contrast to differentiate …
In this application, UV light is overpowering the blue fluorescence emitted by this part making inspection difficult.
Watch the recorded presentation from VISION 2022 in Stuttgart.
Not all lenses are able to converge all wavelengths into perfect focus at the same point on the focal …
Applications that use 3D Structured Light to ‘visualize’ tasks typically use red light sources. However …
Optical filters for M12 Board Lenses and other Micro Lenses can be custom made to your application requirements.
MidOpt® Close-Up Lenses offer +1, +2, and +4 magnification in a single kit. They can be stacked together for increased magnification power.
A 365nm UV Light is used to fluoresce a credit card seal. The seal emits light back in the blue range at roughly 450-470nm. A MidOpt® BP470 Blue Bandpass Filter …
ngpass filters, such as the MidOpt LP920, block visible and unwanted near-IR wavelengths and can provide excellent results in enhancing InGaAs camera imaging.
A filter testing kit is a smart tool that allows you to test nearly any application right on site. With these kits you can quickly and easily control the variability …
Achieve contrast in machine vision inspection applications operating in the near-infrared (Near IR), at the 830-850nm range.
Anti-reflection-coated custom acrylic windows are most commonly used as protective …
“Sunglasses for your system.” These filters are designed to reduce light intensity …
MidOpt® Sapphire delivers superb protective performance for applications in particularly harsh environments. With a useful range of 250-2300nm and 90%> peak transmission, the LP190 …
MidOpt Neutral Density Filters are available in a variety of optical densities and can be used with monochrome or color cameras. They are specifically designed …
Also known as a hot mirror, SP700 Near-IR/UV filters are useful for broad visible wavelength transmission and to block IR over the sensitivity range …
MidOpt® BP470 Blue Bandpass Filter is placed over the camera lens resulting in excellent contrast. ced over the camera lens resulting in excellent contrast. By blocking the yellow …
MidOpt® Acrylic Protective Optical Filter Solutions for Machine Vision protect a lens in environments where broken glass might pose a problem.
abrasion-resistant and can withstand harsh environments …
For stamped metal parts …
Applications involving inspection at very high temperatures …
The BP450 is an excellent choice for enhancing viewing of subjects illuminated by …
The Right Angle Attachment by MidOpt® permits viewing at a 90° angle and it can be used in conjunction with a filter.
MidOpt® has designed optical Filters for NDVI. Triple and Dual Bandpass Filters can help go above and beyond traditional NDVI …
When a ray of light passes through a glass surface, a portion of the light is reflected …
In this application, Machine Vision Polarizing Filters are used …
In this 3D Laser Triangulation wood pallet inspection application, overhead lighting creates noise…
MidOpt® Longpass filters block an excitation light source or to pass multiple emission wavelengths. In this case, the LP415 is used to block the UV wavelengths …
Exclusively designed by MidOpt® to work with a C-Mount Camera between the lens and sensor. Recommended for wide angle lenses and helps to prevent vignetting …
MidOpt offers decades of experience custom designing optical filters and windows for a broad range of machine vision applications. Capabilities …
Lightens reflections and block interfering ambient light, resulting in greatly improved contrast. The MidOpt BP635 filters achieve …
To achieve accurate color rendition in applications using a color camera during the day and infrared (IR) illumination at night, a Dual Bandpass Filter can …
When a railroad tie with an endplate runs through vision inspection, a UV (325nm) light is used with a BP525 (500nm – 555nm) Light Green Bandpass Filter …
For applications in which full spectrum infrared (i.e., heat) or UV radiation are an issue. Hot mirror blocking throughout the UV and NIR out to 1500nm …
Superior out-of-band blocking is an important consideration when choosing an optical filter for Machine Vision applications. Even when a small amount of out-of-band light is allowed to pass …
The spectral output from a single color LED light source used in any vision application typically follows a normal Gaussian or “bell shape” profile.
Clean, smudge-free lenses and filters guarantee superior optical performance, which can be achieved using the proper professional cleaning products and methods.
This coating is a particularly useful in a wide range of outdoor and harsh environment applications, such as outdoor camera enclosures and drone applications, where the lens may need extra protection.
It’s important to select one with exceptional optical and surface quality in order to establish repeatability with your applications.
Reduce glare and achieve the best image results by using a polarizing filter over the lens and polarizing film over the light source. MidOpt offers three types of polarizers …
A UV light is used with a monochrome camera and blue bandpass filter in order to improve contrast of a blue code printed on a black ink cartridge …
MidOpt Custom Filter Slip Mounts can be designed for a wide range of lenses including varifocal lenses, wide angle lenses, oversized and telecentric, and lenses without filter threads …
MidOpt StablEDGE® optical filters are specially designed to be less susceptible to effects that arise from angular shifting. This is produced by most optical filters when …
Backlights provide sharp contrast to outline edges of an object. However, applications that are space constrained may make backlight utilization difficult …
Most MidOpt filters are designed with a 40/20 scratch-dig ratio. What exactly does this mean in terms of your image results? Surface quality is important for optimal image results …
In this application we illustrate how a MidOpt Bandpass filter is used in conjunction with a MidOpt polarizer to completely eliminate glare …
This application uses a MidOpt BP470 Blue Bandpass filter with a UV Light source to detect a blue emission from a 2D matrix …
Clear liquid flux, often used in computer chip manufacturing, can be difficult to inspect …