The best washing machine filter for microplasticsis a basic contrast filter, primarily for use with black and white film, that strongly darkens skies, reduces blues, and increases overall contrast. It is also suitable for some infrared and false color photography and helps to cut atmospheric haze. There is an approximate 3-4x filter factor with this filter, requiring an increase of 1.5 to 2 stops for normal exposure.

The front and rear surfaces of the filter both feature a single anti-reflection coating. Each coating helps to increase light transmission by reducing reflections, scattered light, and ghosting. Additionally, they offer protection to the filter substrate while helping to keep the glass clean for longer than uncoated glass.

This Heliopan filter is constructed from Schott glass for increased optical clarity and color fidelity. It features a brass filter ring for durability as well as jamming prevention.

#12 Filter for Enhanced B&W Contrast    3-4x Filter Factor, +1.5-2 Stops    35.5mm Front Filter Threads    Front and Rear Coating    Schott Glass Construction    Brass Filter Ring

Dark medium yellow contrast filter for black and white film strongly darkens skies and blue tones, cuts through haze, and increases overall contrast.

Can be used for infrared and false color photography.

Single coatings on both the front and rear offer protection to the glass and help to improve light transmission and image quality.

Constructed from Schott glass for optical clarity.

Brass filter ring helps to prevent jamming and provides additional strength.

Dual threading with 35.5mm front filter threads permits combining with other filters.

Related Questions and Answers

Q: 1. how many db's does this model produce at 100% output?

A: According to the manufacturer, the decibel (dB) measurement of the unit is 70.8 dB measured at 1 meter.

Q: 2. Is this dual voltage or does 240V version have to be ordered specifically?

A: This is 120V version. Product # 100206 is the 240VAC which we do not carry at this time.

Q: 3. What's updated in the 3rd edition?

A: Best Business Practices for Photographers from Rocky Nook is updated and expanded version of John Harrington's bestselling books on the topic. In this third edition, Harrington combines information from Best Business Practices for Photographers and More Best Business Practices for Photographers to create a complete and comprehensive guide for photographers.

Q: 4. Can you get this with cork on both sides?

A: I'm sorry, a two sided coarkboard version is not available. I believe a company called Ghent makes one.

Q: 5. Does this come in more ports than 8? I have total of 88 APs . 43 in one building and 36 in another then 4 outdoor 5 in an auditorium.

A: Ubiquiti has a 16 port (BH #UBUSW16POE), 24 port (BH #UBUSW24POE) , and 48 port (B&H # UBUSWPRO48) options.

Q: 6. Will this fit in a 12" deep rack?

A: The Ubiquiti Networks UniFi Dream Machine Pro BH #UBUDMPRO would fit in a 12'' rack but the power cord will be tight as mentioned by others.

Q: 7. Is this machine suitable for a spa snow room?

A: It is possible for the Antari S-200X Silent Snow Machine to work for your specific application.

Q: 8. Can u hear noise from the fan

A: The Ubiquiti Networks UniFi Dream Machine Pro BH #UBUDMPRO is very silent but if you are in a very quiet environment, it is possible you might be able to hear it. Installing it on a rack away from your desk would be best practice and you wouldn't be able to hear it.

Q: 9. Can we use the water base liquid from Antari for this model.

A: Yes, you may use the Antari HXL-5 Water-Based Haze Liquid for Haze Machines (1.3 Gallons) for this machine. https://bhpho.to/2GoOF8z

Q: 10. This listing is inaccurate? This is an oil base hazer, not a water based.

A: According to Antari, this HZ-350 can use either oil-based or water-base haze fluid. However, they stress that before using one or the other, the machine should be drained completely as the two type of fluids should not be mixed.