Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter
Didymium Light Pollution Filter

Didymium Light Pollution Filter

Regular price $129.00 Sale price$69.99

  • Free worldwide shipping above $39
  • In stock, ready to ship
  • Inventory on the way


All orders will be scheduled for shipment in 1 to 3 business days, excluding holidays.


We ship worldwide. 


Currently, we have 4 warehouses.

🇺🇸 US warehouse, for our US users, parcel usually arrives in 1-7 days.

🇪🇺 EU warehouse, for most EU countries, parcel usually arrives in 1-7 days.

🇦🇺 AU warehouse, for our Australia and New Zealand users, parcel usually arrives around 1-7 days.

🇨🇳 CN warehouse, for all countries, parcel arrives in 4-7 or 8-20 days, please check below for details.

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Check out How it improves your pictures!

Feedback from @Alex Mcgregor

Feedback from @Glen Tillyard

Without Filter

With Filter

Feedback from @Steven Barnes

Without Filter

With Filter


Filter Type: Light Pollution Filter 

Diameter: 82 mm


Glass only:2 mm

Glass with the ring: 5.5 mm

Material: Didymium glass with multi-coating

 Weight: 23 g

How to Choose a Suitable Adapter ?

How Does MSM Light Pollution Filter Work?

This light pollution filter is made of a special glass called didymium glass, with multi coating

This filter can significantly reduce the transmission of light from sodium vapor and mercury vapor lamps, which are mainly located in the range from 575nm to 600nm wavelengths, please refer to the chart below. Sodium vapor and mercury vapor lamps, commonly used in street lighting and industrial lighting, emit yellow and orange lights from the ground to the sky, ruining the nightscape views and pictures. So light with wavelengths from 575nm to 600nm is the main cause of light pollution.

This filter is able to greatly block the wavelengths from 575nm to 600nm, helping the camera get the correct color of the night sky and landscape. With the help of the filter, the images with the right color can also save a lot of bother from after-processing.

The filter does not add blue color or any other colors to the images, it just stops the wavelengths of the polluting lights. The contrast from the sky to the ground will be enhanced, and the true and beautiful colors of the landscape will be restored.




What does "all adapters" mean in the light pollution filter on sale?



For the Option" 82mm Filter + All Adapters", it will come with one 82mm filter and 8 adapters- 49mm+52mm+ 55mm +58mm + 62mm + 67mm +72mm + 77mm.




Usually using light pollution filters requires about 1 f stop of increased exposure. What is the difference on exposure time when using this filter?



The filter removed the yellow light pollution color cast but the rest of the image wasn't noticeably darker so I would say certainly less than one stop.

Customer Reviews

Based on 15 reviews
giovanni flaminio (Naples, IT)

Didymium Light Pollution Filter

Mun (Louriceira, PT)
Great filter!

This filter has been a game changer for me. I cannot recommend it enough!

peter ceyssens (Beringen, BE)
Very good filter

I life in the middle of streetlight much streetlight! When i use this filter it seems like it works for me , see that stars are in different colours on pictures . But because some streetlights are unfortunable to close to me that light polution is not gone but gives me weird things on picture. The only thing where i buy wrong is the filter adapter that not really fit on my 70-300mm lens 55mm screw . Only on the nikor lens 35-70mm it fits on the lens. But it is a very good filter, i can say you go for it

Fatih Ay (Ankara, TR)

Didymium Light Pollution Filter

Rafael Sanchez (Querétaro City, MX)
Excellent product

I already received the product. I haven't had a chance to test it. It arrived in perfect condition.

PIERRO (Dettwiller, FR)

Filtre vraiment efficace et apporte une vrai plus value

Ivar Schiager (Hyggen, NO)
Must have in Bortle class 4 and worse

Performs well with a stock digital camera in Bortle class 4-6 where I have used it.
Step-up rings can be bought everywhere as well as 82mm lenscap for darkframes and bias. I also got a 82mm metall lenshood on ebay. This will simplify the use of lens warmer/dew heater band.

Warren Hoo (Anaheim, US)
Awesome for city lights pollution

My filter arrived while I was visiting in Honolulu Hawaii and I used the filter there testing it during the night capturing images overlooking the city from a location called Nuuanu Valley. The sky colors looked much more natural with the filter than without the filter. Amazingly, after I saw the difference, the light pollution became visible to my eyes when I viewed other night scenes. It's well worth owning such a filter. I don't know if Lightroom or Photoshop has settings to even eliminate the light pollution narrow spectrum frequencies of light. I don't know for certain but don't believe you can correct a narrow slice of the light spectrum in post production. And if it can be done, It's labor intensive and has to be done to individual images. Much time is saved using the filter and avoids needless time doing post production corrections. Indoors under flourescent lights the filter gave cleaner whites. That felt like a bonus.

However, to my surprise, the filter did not seem to have any noticeable effect with indoor photographs using a Samsung A12 cell phone camera. I suppose the cell phone adjusted images with and without the filter on.

Philippe Cassan (Brignoles, FR)
Great accessory !

(of course) easy to use, and provides excellent results.

Lewis Leung (Central, HK)
MSM Rotator and Light Pollution Filter

MSM Rotator
- Overall quality is very good. Yet, MSM may sometimes move in the ballhead plate (vertical mounting) when attached with a heavy lens. I finally need to attach the MSM to a L-bracket first and then attach the L-bracket to the tripod. The L-bracket prevents the MSM rotate.

Filter: used one to two times only. Better to have a narrowband filter instead.