When caring for anti-reflective coated lenses, use cleaners specifically formulated for them. Harsh chemicals may remove lens coatings, and the protection that comes with it. It is also important to wet lenses before wiping away smudges, as friction can be created between dry cloth fabric and a dry lens.

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Just because lenses are anti-reflective doesn’t mean that they protect your eyes from all light sources. Blue light is emitted from digital devices, like your smartphone or computer. While there are some positives of blue wavelengths during the day — increased attention and reaction times — those same benefits turn negative at night. According to Harvard Health, “Blue light can affect your sleep and potentially cause disease.” As devices have become a part of our lives, day and night, it is important to shield your eyes from blue light.

Hydrophobic and oleophobic: you have probably come across these words when buying glasses, but what do they mean? While their names sound complex, their benefits are clear. Both hydrophobic and oleophobic anti-reflective coatings add another layer of protection to your lenses to fight off scratches, smudges, and stains. They also make it easier to maintain clean glasses with a smooth coating that invites any surface dwellers to see themselves out. Now that we know the similarities between each coating option, let’s dive into the differences.

This calculator is used to calculate the FOV(field of view) of an optical imaging system with given parameters. In this section, you need to fill in the Number of Horizontal Pixels, the Number of Vertical Pixels, the Pixel Size(μm) of the sensor, and the Lens EFL(effective focal length).

Note:1. To accurately calculate the sensor’s physical size, you need to enter the Number of Horizontal Pixels, Number of Vertical Pixels, and Pixel Size (in microns).2. Some ultra-wide-angle lenses own a field of view of more than 180°, in which case the field of view range will be infinite (for example, when the lens focal length is very small and the sensor size is relatively small)3.Due to the complexity of the optical system, the following calculated values ​​are approximate and may differ from the actual effect.

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Hydro (water) and phobic (dislike) combine to define what makes this anti-reflective coating a popular choice for those living in humid or rainy areas. Those who wear glasses have experienced trying to maintain clear vision on a rainy day. Regardless of how much you wipe away the drops, the water continues to build into a blinding wall. Hydrophobic anti-reflective coatings eliminate this nuisance by creating a surface that repels water molecules on the lens’ surface — allowing the water to slide off.

The field of view is influenced by factors such as the focal length of the lens, the sensor size, and the distance between the lens and the subject. It plays a crucial role in determining how much of the surrounding environment will be visible in the final image or video.

Unfortunately, it’s not an uncommon experience driving at night when suddenly you become blinded by oncoming headlights. Without protective coating, instead of passing through the lens, the light reflects and sticks to your glasses creating a distracting bokeh wherever passing headlights appear. Anti-reflective lenses help avoid this potentially hazardous situation by allowing the headlights’ glare to flow through the glass.

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We will calculate the HFOV(horizontal field of view), VFOV(vertical field of view), and DFOV(diagonal field of view) of the imaging system.

If you need help with the Arducam products you’ve purchased, please include the following questions in your post and answer them to help us better understand your needs.

Whereas hydrophobic coatings fight against water, oleophobic lenses resist oils and grease. This benefit is a major plus for those who have lifted their glasses to the light only for them to appear as if the lenses were dusted for fingerprints. Oleophobic coatings make it easy to remove these stubborn smudges by forcing oils to bead together instead of allowing them stay intact. With no oil to stick to, lenses can effectively stave off dirtying or scratching particles.

The FOV(Field of View) is a measure used in optics and imaging to describe the extent of the observable world that can be seen at any given moment through a lens or optical system. The field of view is typically expressed in degrees and includes HFOV(Horizontal Field of View), VFOV(Vertical Field of View), and DFOV(Diagonal Field of View).

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Note:1. Due to the complexity of the optical system, the following calculated values ​​are approximate and may differ from the actual effect.2. When the size of the object is large enough, you may need a wide-angle lens. The larger the angle, the greater the distortion effect.

Anybody who’s shopped for glasses knows that there are numerous lens options to choose from. Are there added benefits to the premium options or are all lenses created equal? While opting for an anti-reflective coating sounds simple enough to understand — a shield against glare — there are added benefits that you may not be aware of.

Standard anti-reflective coatings will help you have clear vision whether on the computer, exploring the outdoors, or enjoying a night out. However, reflections aren’t the only obstacles glasses have to overcome to deliver optimal optics.

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This calculator is applied for calculating the maximum field of view (in length units) that an imaging system can capture under specific conditions using the sensor’s physical size (including horizontal, vertical, and diagonal dimensions), Working Distance (lens end to object end), and Lens EFL (effective focal length of the lens).

The Blue Light Protection Factor was created to help buyers understand how well their lenses block out HEV (Blue Light) and UV light. At Gunnar, we design innovative eyeglass lenses that filter both light sources to provide your eyes complete protection against harmful rays. Now you can game at night, scroll through your feed, or shop online before bed without blue light ruining your sleep.

This calculator calculates the minimum FOV required for imaging by using the Working Distance (the distance from the lens to the object) and the actual size of the object (including the Horizontal Size and Vertical Sizes of the object).

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These Lens FOV(Field of View) Calculators are able to calculate multiple optical parameters in multiple dimensions to help you evaluate different optical imaging needs. The calculator currently includes three parts:

Additional benefits of hydrophobic lenses include:• Sweat resistance, making them ideal for physical activity• Anti-static properties to keep dust and dirt particles at bay

In the context of cameras and photography, the field of view refers to the area that the camera’s lens can capture in a single frame. A wider field of view captures more of the scene, while a narrower field of view focuses on a smaller portion of the scene. It is an important consideration in choosing lenses and camera systems, as it directly influences what will be included in the photograph or video.

There are also aesthetic benefits to wearing eyeglasses with anti-reflective coatings. Eyes take center stage in a bright room without distracting glares hogging the spotlight.

In its simplest form, an anti-reflective coating reduces light reflections on each side of the lens. Rather than act as a mirror, the lenses invite light through to improve your visual acuity.

If you need to get more detailed information about Lens Selection and Lens parameters, please refer to the Lens Selection Guide page.

Additional benefits of oleophobic lenses include:• Less wear and tear on lenses from continual cleanings• Maximum light transparency