In this article, we’ll explore our range of water-resistant and waterproof linear actuators, explaining IP protection levels so you can select the right electric actuator for your unique environment.

Remove the 6-stop, put on a 3-stop and you immediately go back down to 2 minutes with the same parameters, adding 15 seconds in-between each exposure to account for light loss.

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Unfortunately, the 10-stop ND cannot be used for sunsets or sunrises, and it is for this reason the 10-stop should be avoided completely when shooting golden hour light.

If you shoot abstract B&W, urban environments and midday long exposures get the 10-stop, however also consider shooting a 6-stop at ISO 50 or stacking a 3-stop + 6-stop for greater versatility.

Shooting with one single 10-stop over a 3-stop stacked with a 6-stop means you have no vignetting down to 16mm on a full-frame setup, where as stacking two X4 NDs adds a small bit of light falloff down to 18mm and wider.

Whether you require a standard model or a fully customized solution, our team is ready to collaborate with you to design a product that meets your needs. Contact us today for inquiries, consultations, or further information on how our waterproof linear actuators can enhance your operations!

The TA23 electric linear actuator is engineered for environments demanding robust dust and water protection, making it ideal for smoke exhaust systems in Integrated Building Management Systems (IBMS).

Oct 2, 2022 — Horizontal lines that run away from the camera take on incongruous angles if the camera is not precisely aligned with the walls and floor.

If at ISO 100 between F11 – F18 with a 6-stop ND puts you in the 2-4 minute range, a 10-stop ND would push the exposure past 8 minutes, which doesn’t work for two important reasons: sensor noise after 4 minutes makes an image essentially useless, and the sunset sometimes doesn’t last that long.

Additionally, our comprehensive global service support and vertical integration empower our partners to enhance productivity while minimizing potential issues. From consultation and design customization to fast, localized assistance, TiMOTION seamlessly meets the unique requirements of every project.

Waterproof linear actuators from TiMOTION excel in environments where conventional actuators may fail due to exposure to moisture or dust. By selecting the appropriate actuator for each specific industry, businesses can enhance equipment reliability, reduce maintenance costs, and extend the operational lifespan of existing systems.

If your camera goes down to ISO 50 then get the 3-stop. If your camera only goes down to ISO 100 you may consider the 6-stop.

What is a neutral density filterfor photography

In industries where equipment faces tough conditions- such as dust, moisture, or high-pressure washing-the durability of electric actuators is paramount.

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The 3-stop and 6-stop are by far the best performers and at the same time allow for the greatest versatility. If you’re shooting golden light (sunset, sunrise, twilight etc.) the 6-stop will always be your go-to ND for 2-4 minute exposures, with the 3-stop coming into play after you’ve hit the 4 minute mark at ISO 100.

With a multitude of ND filters how is the photographer to know which one to confidently buy? In this ND Buying Guide you’ll discover which density is right for you depending on what you shoot, and which to avoid.

Yes! The 10-stop ND is perfect for pushing exposure times out very far in bright or normal light conditions, especially where there’s movement.

Pushing exposure times out very far when shooting otherwise ordinary subject matter can create incredibly dramatic results if the composition is strong and the technique sound.

The 6-stop has the greatest versatility of the various densities, and it can be maximized further by stacking a 3-stop with a 6-stop for a total of 9-stops.

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A 6-stop ND can also more than double exposure time when you drop from ISO 100 to 50, thereby increasing it’s versatility quite a bit.

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The first digit in an IP rating signifies the level of protection level against solid contaminants and dust. It ranges from 0 (no protection) to 6 (complete protection against dust). A higher number indicates superior protection against intrusion by foreign objects, including dust, dirt, and tools.

X4 ND 6-stop ND. And by dropping your ISO down to 50 the you can easily double exposure time, but just make sure to add +15 to +20 seconds in-between exposures to account for light loss.

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Some compositions and subjects simply don’t call for 2 minute or longer exposure times, such as the one above. Without cloud definition the above Banff National Park Sunset photograph may not have been as impactful, and no meaningful change occurred in the water with the increased exposure.

Actuators with an IP66 rating are fully protected against dust and powerful water jets, making them ideal for medical equipment that requires frequent, thorough cleaning.

Solar shading systems, such as pergolas or sun-shading louvers, are frequently exposed to outdoor weather conditions year-round. Whether adjusting the angle of louvers or retracting pergola shades, waterproof linear actuators must operate smoothly in rainy weather. On sunny days, they adjust these systems to control the amount of sunlight entering a building.

The agricultural industry requires equipment that can endure harsh outdoor conditions, including exposure to water, mud, and chemicals. Waterproof linear actuators enable farm machinery, such as tractors, harvesters, and sprayers, to operate consistently and precisely.

Towards the end of sunset the 6-stop ND exposure times will hit 4 minutes, which is the maximum I recommend shooting as anything more than 4 minutes will result in lots of sensor noise in shadow details. But there’s so much golden light left!

Antireflection coatings minimize the reflection of one or many wavelengths and are typically used on the surface of lenses so that less light is lost.

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The 3-stop is the preferred ND filter for 90% of wedding and portrait photographers. This will allow you to control shutter speed below the cameras maximum 1/4000 or 1/8000 and lower your shutter speed to control flash sync more effectively.

In extreme environmental conditions, waterproof linear actuators provide reliable and smooth motion that enhances workflow efficiency. Here’s how these actuators perform in industrial environments.

2-4 minutes is the ideal exposure range when shooting sunset, sunrise, twilight and other golden hour moments, when shooting at ISO 100 between F11 to F18, a 6-stop ND puts you right squarely in the 2-4 minute exposure range for golden hour.

An IP54 rating provides basic protection against dust and splashing water, making these actuators ideal for adjustable furniture like beds and desks, where exposure to moisture and dust is minimal.

IP69K-rated actuators offer the highest level of protection, enduring high-pressure, high-temperature water jets. They are ideal for outdoor applications and environments where full water immersion may occur, such as in underwater machinery.

The second digit in an IP rating indicates the level of protection against liquids, ranging from 0 (no protection) to 9K (protection against high-pressure, high-temperature water). A higher number signifies enhanced protection from liquids, including water splashes, jets, and submersion.

The IP rating system, established by the International Electrotechnical Commission (IEC) under the IEC 60529 standard, provides a standardized method for indicating the degree of protection offered by electrical equipment enclosures. This system employs two digits to specify protection levels: the first digit denotes resistance to solid particles, while the second digit indicates resistance to liquids.

With superior protection against dust and prolonged water immersion, the JP5 electric linear actuator is ideal for outdoor shading systems like pergolas.

What is a neutral density filterused for

A waterproof linear actuator is designed to operate effectively in environments exposed to liquids, dust, or high-pressure cleaning. It is rated with an IP (Ingress Protection) code, which indicates its level of protection against external substances.

With IP68 protection, these actuators are ideal for industries such as agriculture and food processing, where equipment must withstand frequent, rigorous cleaning.

In commercial settings, ventilation systems require actuators that operate reliably despite exposure to dust and moisture. Whether for smoke exhaust systems or natural ventilation, waterproof linear actuators adjust vents, windows, or louvers to control airflow effectively.

One often overlooked technique with a 3-stop ND filter is using ISO 50 to double exposure time close to what a 6-stop would be, which further increases the versatility of the 3-stop.

A 10-stop is completely useless for sunsets, sunrises, or any shooting during the golden hour because it goes way past the ideal exposure range, usually leading to exposure times that exceed the sunset or sunrise itself.

Testing an actuator’s performance involves evaluating its operation under conditions similar to its intended use. This includes exposure to dust, water splashes, or full immersion, depending on the IP rating. At TiMOTION, we conduct rigorous tests to ensure our actuators meet the specified IP standards before market release.

What you primarily shoot will ultimately determine which of the ND densities are most important to you. Here are my recommendations to a few of our most frequently asked questions:

The appropriate IP rating depends on the environment in which the actuator will be used. For indoor applications with limited moisture exposure, an IP54 actuator may be sufficient. However, for outdoor or industrial applications involving dust, submersion, or high-pressure washing, IP66, IP67, or IP69K are more suitable. See our guide here.

The 10-stop ND does however become very useful between 10AM – 4PM, when the light is directly overhead and flat, or in environments such as Alaska or Iceland where daylight can last a full day.

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Agriculture equipment benefits significantly from the  MA3 electric linear actuator, which is designed to withstand high-pressure cleaning and challenging outdoor conditions.

If you shoot weddings, portraits, video or any other type of shooting where you need the lowest F-number for shallow DOF combined with the lowest ISO for best sharpness and saturation, the 3-stop ND is the best performer.

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If you’re a wedding or portrait photographer shooting human subjects at low F-numbers at low ISOs, or if you’re a landscape photographer who wants to maximize golden hour light get the 3-stop.

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Every business has unique requirements, and at TiMOTION, we offer fully customizable electric actuators. From adjusting the actuator’s retracted length, stroke, and IP rating to integrating advanced control systems, we design solutions that fit your operational needs perfectly. Our waterproof linear actuators are engineered to withstand the harshest conditions, with IP ratings ranging from IP54 to IP69K, ensuring flawless performance even in high-moisture environments.

The comparison below highlights TiMOTION’s waterproof linear actuators, guiding potential partners in choosing the best solutions for their needs.

Whether you require protection from light splashes or high-pressure, high-temperature cleaning, TiMOTION offers a wide range of water-resistant linear actuators designed to meet the demands of diverse sectors. Our product lineup includes actuators with IP ratings from IP54 up to the rigorous IP69K, ensuring reliable performance under harsh conditions.

If you’re a landscape photographer who wants to shoot long exposure sunsets, sunrises, waterfalls and moving water, the 6-stop ND is without question the best performing and the most versatile ND filter. I use the 6-stop ND 90% of the time when shooting long exposure landscape photography, and if I had to carry just one into the field this would be the one.

Actuators with an IP67 rating are designed to withstand temporary water submersion, making them ideal for industrial applications that require robust protection.  These highly durable actuators are perfect for heavy-duty use, ensuring reliable performance even in challenging environments.

A 3-stop could be used during sunset and sunrise if shooting at ISO 50, but the 3-stop really shines about 30 minutes after sunset, after the exposure exceeds 4 minutes with the 6-stop.

By stacking the 3 + 6 you get an effective 9-stops in those rare instances that you need to go that high. This increases versatility while at the same time may introduce a small amount of vignetting between 16mm and 18mm on a full-frame setup, but the tradeoff is in my opinion definitely worth it if you shoot landscape photography 80% of the time or more.

Even without moving subjects in a landscape image, an often overlooked use case for a 6-stop ND is to capture a wider range of colors within a long exposure. Here in the above Grand Teton Sunrise photograph the peaks were changing colors from dark red to light yellow, and this 120 second exposure captured the color change as light pink.

The 10-stop ND filter excels for pushing exposure times out very far for abstract and urban subjects, especially in harsh, direct light.

The 6-stop ND the ideal ND filter for shooting waterfalls, sunsets in the mountains, on the coast or in the desert, and even in urban environments where you want to reduce human subjects from a composition.