Keeping Watch /  by Todd Henson

Keeping Watch - Portland Head Light watching over Casco Bay

Maine’s coastline can be a rough and rocky terrain, potentially dangerous for the boats and ships that must navigate its waters. Portland Head Light, the oldest lighthouse in Maine, stands watch over Casco Bay and the channel leading into Portland Harbor. Located in Cape Elizabeth within Fort Williams State Park, Portland Head Light is likely the best known lighthouse in Maine.

Being the most popular Maine Lighthouse also makes Portland Head Light one of the most photographed. Most of the photos I’d seen of the lighthouse were grand sweeping landscape images that included much of the coastline and the grand keeper’s house and were often full of bold, vibrant colors. There are some really fantastic photographs out there of this lighthouse. But I wanted to try something with a different feel to it.

Trails follow the coastline in Fort Williams State Park, so I chose a path to the left of the lighthouse. I found a vantage point that let me isolate the lighthouse from the keeper’s house and the other small buildings. I really liked the idea of this lone sentinel atop the rocky coast standing watch over the bay. Late afternoon storm clouds covered most of the sky, with a bit of a clearing towards the left. I liked how this clearing to the left helped balance the lighthouse to the right. And finally, processing the photo in black & white helped add to the mood I was looking for.

It didn’t matter that people were all around me walking the trails of the park. Carefully isolating the lighthouse from the rest of the scenery helped create a quiet, intimate look at a lighthouse and the body of water it keeps watch over.

Keeping Watch is available for purchase as wall art or on a variety of products.

Cicada Casing on a Tree /  by Todd Henson

A cicada casing, or shell, left of a tree.

Many of us have probably heard the sound of cicadas calling to one another. During some seasons the sound can grow to a constant hum. But have you ever seen the casing left behind when a larval cicada molts out of its shell? That’s what this photograph shows.

A cicada had climbed this tree and latched itself onto the bark. Then it began the fascinating process of molting. Inside it detached from its hard shell. It broke through the back of the shell and began to emerge, very soft and vulnerable. Its wings opened and took form. Eventually it flew off leaving behind the casing, or shell, that we see in the photograph above.

YouTube has a video from BBC Studios of Sir David Attenborough describing the life cycle of the cicada:

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Tips For Blurring Moving Water /  by Todd Henson

I’ve been asked in the past how to blur moving water from rivers and waterfalls in a photograph. It all comes down to shutter speed. The slower the shutter speed the more blur in the water. Below are a number of tips to help you do this. You don’t have to follow all of these tips to blur water. Pick whichever ones you’re able to use. Just realize some of them may not get the shutter speed as slow as you’d like. That’s when you may need to try the other tips.

Stabilize Your Camera

If you want a sharp image of everything but the water you’ll first need to stabilize your camera. The best way to do this is to put it on a good tripod. If you don’t have a tripod you can try resting the camera on something stable such as a stone wall or a large rock or tree. Just be careful not to let the camera drop.

Use a Remote Shutter Release or Self-Timer

To reduce the chance of introducing shake into the camera during the exposure it’s best not to press the shutter button with your finger to start the exposure. Two options for avoiding this are a remote shutter release, or setting the camera’s self-timer such that your exposure begins some number of seconds after you press the shutter button.

Using the self-timer is the least expensive option if your camera supports it, though you will lose a little flexibility in choosing exactly when to start the exposure.

There are two options for remote shutter releases: cable releases that attach to a special connector on your camera and wireless releases. At present I use a simple cable release that just presses and optionally locks the shutter. Some higher-end cable (and wireless) releases include intervalometer features which let you take a photo every so many seconds for some period of time.

Shoot Early, Late, or on an Overcast Day

It’s best if it’s not a bright sunny day as the sunlight can blow out the white highlights in the water. Try to photograph very early or very late, before the sun is up or after it has gone down. Or pick an overcast day when clouds will hide the sun. This reduces the quantity of light in the scene, reducing the chances of blowing out highlights, and requiring a longer exposure in your camera, increasing your chances of blurring the water.

This was shot on an overcast morning. Less light meant a longer exposure. ISO 200, aperture f/36, shutter speed 15 seconds.

Adjust Your ISO

Set your ISO to the lowest setting your camera allows. The ISO controls how sensitive your camera’s sensor is to light. The lowest setting, for example, 100 or 200, will require more light to make an exposure. Your camera will need more time to collect more light which will help you achieve the slow shutter speed you’re after.

Stop Down Your Aperture

Stop down your aperture as far as you can. To do this use a larger f-stop number, such as f/16, f/32, etc. This closes down the aperture, making a smaller opening that light will need to travel through, requiring more time for the camera to gather enough light to make the exposure. This lets you shoot using slower shutter speeds. Be aware, though, that the very smallest apertures can cause diffraction, which may reduce the sharpness of your photo. If this happens you’ll need to open up the aperture just a bit.

A wider aperture results in a faster shutter speed allowing you to see more detail in the water. ISO 200, aperture f/4, shutter speed 1/50 second.

A smaller aperture results in a slower shutter speed allowing you to blur the water. ISO 200, aperture f/11, shutter speed 1/8 second.

A wide aperture results in a faster shutter speed, freezing action and showing more detail in the water. ISO 320, aperture f/6.3, shutter speed 1/1250 second.

A small aperture results in a slower shutter speed, helping convey action by blurring the water. ISO 320, aperture f/25, shutter speed 1/60 second.

Use a Polarizing Filter

If everything above still isn’t enough to slow the shutter speed down enough to create the blur you’re after then you may need to resort to filters that fit over your lens. The first to try is a polarizing filter if you already have one.

A polarizing filter is often used to reduce reflections and glare on surfaces such as water and leaves, to create richer colors, and to darken skies. A side effect of these filters is reducing the amount of light that reaches the sensor, usually by about 1 to 2 stops. This isn’t a lot but it might be enough to get the shutter speed slow enough to blur the water.

Using a polarizing filter and a small aperture helped slow down the shutter speed, blurring the water from the fountains. ISO 200, aperture f/25, shutter speed 1.6 seconds.

Use a Neutral Density (ND) Filter

If nothing else will get the shutter speed slow enough you’ll want to invest in a neutral density filter. Think of this as sunglasses for your camera lens. It’s a dark filter that reduces the amount of light entering the lens. Neutral density filters are available in a range of levels, some reducing 1 stop of light, some 3 stops, some 5, 10 or even 15 stops of light. You can even find variable neutral density filters that let you turn the filter like a polarizer to change the density of the filter. With neutral density filters you’ll be able to slow the shutter speed down as much as you’d like.

You can also stack filters, using multiple neutral density filters to slow things down even more. And you can stack a polarizing filter and neutral density filters. Just be aware that if you stack too many filters you may begin to see the filters at the corners of the image. If this happens you either need to remove some of the filters or crop the image when you’re finished.

A polarizing filter in the middle of the day allowed a slow exposure, but not slow enough to really blur (or still) the moving water. ISO 200, aperture f/22, shutter speed 1/8 second.

A polarizing filter and a 5-stop neutral density filter in the middle of the day allowed a slow enough exposure to blur (or mostly still) the moving water. ISO 200, aperture f/22, shutter speed 4 seconds.

It's reasonably early in the morning without a filter. ISO 200, aperture f/11, shutter speed 1/80 second.

Adding a Singh-Ray Gold-N-Blue Polarizer and a 10-stop neutral density filter shifted the colors and slowed the shutter speed way down, introducing a lot of blur into the water. ISO 200, aperture f/11, shutter speed 67 seconds.

In this triptych I used a Singh-Ray Vari-N-Duo filter, which combines a polarizing filter with a variable neutral density filter, to gradually slow the shutter speed down by increasing the amount of neutral density. All images are ISO 200 with an aperture of f/25. The left image has a shutter speed of 1/8 second. The center image has a shutter speed of 4/5 second. The right image has a shutter speed of 8 seconds.

I hope these tips for blurring moving water have been useful to you. It can be a lot of fun and it can really add a nice dynamic to a photograph. So head out there and try a few of them out, see what kinds of interesting photographs you can create.

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