Blog - Ecoptik

23 Nov , 2021

How to Find the Focal Point of a Concave Lens?

Because the concave lens forms a virtual image for the real object, it is difficult to measure the object distance and image distance of the concave lens directly. We can only use an inverted real ima...

16 Nov , 2021

Factors Affecting the Performance and Price of Optical Lenses

Ⅰ. Transmission and reflection characteristics of custom optical lensesThe optical coating is designed based on the interference effect. Therefore, the performance of optical coating depends on the r...

09 Nov , 2021

The Effect of Filter Orientation and Temperature on Wavelength

Ⅰ. Influence of the direction of the custom optical filters on the wavelengthThe edge of the optical filter is engraved with an arrow to indicate the recommended direction of the light transmission f...

22 Oct , 2021

Ecoptik.net is Officially Launched, Replacing the Previous

On October 22, the new English version Ecoptik.net website is officially launched, immediately following the 9 language version launch of the website, replacing the previous

22 Jun , 2021

Properly Clean and Maintain Optical Filters

1. Optical filters are not only protective lensesSome optical filters are only installed on the lens when they are used, such as polarizers, grayscale filters, while some are installed in front of the...

15 Jun , 2021

Should I Still Spend Money on Optical Filters in the Digital Age?

1. Are optical filters necessary in the digital age?Many novice photographers may be strongly recommended by the shopping guide to buy lens filters (mostly UV lenses). Although many friends have alrea...

08 Jun , 2021

What You Need to Know About Optical Filters

Compared with the film age, photographers in the digital age need a lot fewer filters, but there are still some optical filters that are still necessary. Part of it is because it takes time and effort...

01 Jun , 2021

Types and Uses of Traditional Optical Filters

Ⅰ. What are optical filters?The color filter is a colored transparent sheet that absorbs, reflects and transmits colored light. The optical filter is made of colored optical glass material, which has...

27 May , 2021

What is the Difference Between Spherical and Aspheric Lenses?

What is a spherical lens? What is an aspheric lens? What is the difference between the two? Why are aspheric lenses recommended? Let's talk about the difference between the two.The spherical lense...