470nm Optical Bandpass Filter For Photography

A 470nm optical bandpass filter is a specialized optical filter that allows only light with a wavelength of approximately 470 nanometers to pass through while blocking all other wavelengths. This type of filter is commonly used in a variety of applications that require the selective filtering of light in the blue-green part of the visible spectrum.

 

Our filter has a high transmission rate for light at 470nm, ideally more than 90%. It also has a steep slope at the edges of the filter curve and low background noise levels to ensure that unwanted light is effectively blocked. More importantly, they are all highly customizable that can be designed and manufactured according to your unique optical needs.

 

Features

- Bandpass for 470nm

- Accurate wavelength

- Highly scratch-resistant

- High signal-to-noise ratio

- Deeply customized

- High transmittance

- ISO9001, ROHS certified

 

Parameters

Product Name	470nm bandpass filter
Central Wavelength (CWL)	470nm
FWHM	30nm or custom
Diameter	25mm or custom
Thickness	1mm or custom
Transmission Rate	>90%
Blocking Depth	OD6 or custom
Coating	Hard-film coating
Tolerance	±0.01-0.1mm
Wavelength Range:	200-1100nm

 

Spectrum transmission curve

 

Applications

470nm bandpass filter is a versatile tool with a range of applications in science, engineering, and photography, helping researchers and engineers to isolate and study specific wavelengths of light in a range of applications.

- Fluorescence microscopy

- Photography

- Spectroscopy

- Biomedical research

 

How does a 470nm bandpass filter apply in photography?

In photography, the 470nm optical bandpass filter can enhance the appearance of blue and green colors in landscapes and seascapes, creating a more natural-looking and vibrant image that accurately represents the scene's colors. Here's how it works:

 

Blue and green color enhancement: The 470nm bandpass filter blocks all other light wavelengths except those in the blue and green part of the spectrum, which means that when the filter is used in photography, it enhances the appearance of blue and green colors, making them appear more vibrant and saturated.

 

Seascapes: When photographing seascapes, the filter can be particularly useful in enhancing the appearance of the blue tones in the water and sky. By selectively filtering out other colors, the filter can create a more natural-looking image that accurately represents the scene's colors.

 

Landscapes: In landscapes, the filter can enhance the appearance of green foliage and trees. By selectively filtering out other colors, the filter can create a more vibrant and saturated image that accurately represents the scene's colors.

 

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