Month: November 2016

Black-and-White to the Rescue: Converting a noisy or strangely colored image to monochrome can save the day

In yesterday’s post (Post on Circus Automatic), I shared several practical tips for shooting fast-moving indoor performances, using a recent circus performance as an example.  While I was happy with many of my images from that evening’s shoot, I discussed how the single-colored LED lights now used at many indoor performances can impart an unnatural color cast to photos that can be hard to correct in post-processing.  In today’s post, I show how converting these images to black-and-white can overcome some of the limitations of shooting under these adverse lighting conditions, with the added bonus that the noise imparted to the images (from having to shoot at a very high ISO setting) can also be less noticeable in black-and-white conversions.

First, a little background explanation on why these LED lights are so troublesome for the photographer to work with.  When we refer to the resolution, or number of pixels, in our camera’s sensor, that number is actually the total count of three different kinds of pixels, each kind sensitive to only one of the three primary colors (red, blue, and green).  Without going into the nitty-gritty technical details, suffice it to say that in most camera sensors, about 50% of the pixels record only green data, about 25% only red data, and about 25% only blue data.  My camera (the Nikon D810) is said to have a resolution of 36.3 megapixels (MP), but if my subject is lit by a single-colored red LED, in reality only about 9 MP of resolution is recorded.  The other two color channels will essentially contain no data.  This is bad for several reasons, most notably because the image will be cast unnaturally toward the red color channel and because its effective resolution will be low.

There’s very little we can do in post-processing to recover from the loss of resolution during capture, but we can adjust the color temperature to try to correct a little bit of the strange color cast.  Converting the image to black-and-white, though, can restore the image to a more natural appearance by masking the color cast.  This can be aided by using Lightroom’s contrast and color control sliders to adjust the balance of the black-and-white version until it appears closest to a normal tone.

Consider the following two versions of the same shot.  The first version is in color, and even after adjusting the color temperature and contrast, there is still a distracting red color cast.  There is also some noise apparent in the image as a result of the high ISO setting required to freeze the acrobats’ motion.

The color version of this image appears unnatural even after adjusting color temperature, due to the lighting which consisted of a red-colored LED array.

Now, take a look at the black-and-white version of the same image.  Creating this version required careful attention to the balance of each color and contrast setting to make the final image.  The good news: the monochrome image appears much more natural to the eye than does the color version.  The skin tones seem less artificial, and the curtain in the background does not distract as much.  Furthermore, there is less noise apparent in the black-and-white version.
The same shot appears more natural and less noisy when converted to a black-and-white photo.  Buy this photo

This next shot appears much more acceptable in its color version.  During a live performance, the lighting often changes drastically from one moment to the next, and in this image the LED lights didn’t impart as harsh a red cast as in the previous image.  Furthermore, the aerialist was dressed entirely in red and was working with red ropes, so what red color cast was present does not appear as unnatural.

This image is highly effective when presented in full color.  Buy this photo

While I like this image for its dramatic power and strikingly vibrant red colors, let’s take a look at a black-and-white conversion for comparison.  The monochrome version lacks the visceral impact of the strident red color, but it benefits from a more natural tone, a quasi-documentary look and feel, and a nice clean black background.  In this case, the black-and-white conversion doesn’t so much rescue the image as change the kind of feeling it elicits.  I like both versions.
The black-and-white version is cleaner and evokes a very different set of emotions than does the color version.  Buy this photo

When you are forced to shoot under very difficult lighting conditions, try converting to black-and-white during post-processing.  It just might rescue some of your images and can evoke a very different feel in other images.

For a refresher on the black-and-white conversion process and when you may want to use it, read this post: Post on B&W Conversion.

During post-processing, have you been able to rescue or improve images shot under challenging lighting conditions?  Did you convert to black-and-white, or use different techniques?  Please share your experiences here.

 

Not My Circus, Not My Monkeys: How to shoot a live performance with fast action and challenging lighting

 

Last night I had the opportunity to shoot a live performance by Circus Automatic, a talented young San Francisco-based circus troupe.  Indoor performances, where the action is fast and the lighting dim and unpredictable, can be extremely challenging to shoot.  In this post I share some images from the circus show as well as a few tips on how to make the best of these difficult conditions.

The first tip is to use a fast lens and a high ISO setting.  Since you will need a shutter speed of 1/200 second or faster in order to freeze most of the action, and given that the light is often very dim, you will likely have to use an ISO of at least 1600 and perhaps quite a bit higher, even when using a fast f/1.8 or f/2.8 lens wide open.  All of these images were made shooting wide-open with my favorite portrait lens, the Nikon 85mm f/1.8.  ISO ranged from 800-3200, and shutter speeds ranged from 1/160 to 1/800 second.

To capture this striking image of the aerialist, I shot wide-open with a fast prime lens and used a high ISO setting in order to obtain a fast enough shutter speed to freeze her action.  Buy this photo

The second tip is to seek the drama present in all aspects of the show.  Sometimes the most interesting subject is not the star performer.  In this image I captured the expressions of the rest of the cast as they watched the star of the final act.

Part of the fun of a circus is getting to know the cast members, who tend to be very interesting and photogenic characters even aside from their remarkable performing abilities.  Look for the “side shows” as well as the “big top” acts.  Buy this photo

During our “intermission,” let’s review some basic rules for shooting an indoor performance: 1) Get permission from the producer before you bring your camera to the show; 2) never use flash (it annoys your neighbors and can cause injury or even death by blinding an unsuspecting aerialist); 3) use your camera’s quietest shutter mode and disable its LCD display so as not to distract those around you; and 4) don’t attempt to use a tripod or monopod unless you’ve obtained special permission.

My next tip is to look for those moments when the action subsides naturally.  In most kinds of fast-action performances, including dance, sports, and yes, circus acts, there are brief moments of stasis when the motion is swinging from one direction to another.  Even a juggler balancing on a teeter-totter placed precariously atop a pile of four metal cylinders will reach moments of relative rest.  Here I fired the shutter at the exact instant when two of the batons are in his hands while the third has just reached its apogee.  This image encapsulates all of the excitement of the act but has almost no perceptible motion blur.

Find those brief moments when the fast action settles into a natural lull.  Buy this photo

Another tip is to shoot in RAW mode.  That’s a good practice for nearly all types of photography, but for indoor performances the color of the lighting is often very tricky and rapidly changing, so using RAW files allows much greater control over the color temperature during post-processing.  The venue for last night’s show used awful single-colored LED lights that cast a very strange temperature over many of my images.  Some I could correct in post-processing, but others remain unnatural looking and cold.  Regrettably, these LED lights are becoming very popular so this is a common challenge when shooting live indoor events.  Other useful post-processing techniques for these types of shows include noise reduction (required due to the high ISO settings) and image sharpening.

The final tip is to keep shooting, because you rarely can tell in advance when something remarkable may happen!

Parting shot: The acrobat dismounts dramatically to end the show.  Buy this photo

Now it’s your turn.  Please share your experiences and advice for shooting live performances.

To Travel Hopefully is Taking the Day Off: Please tell your friends about us!

Dear Reader,

To Travel Hopefully is taking the day off, but don’t worry, we’ll be back with fresh new content tomorrow.  In the meantime, please take a moment to tell your friends and family about us.  Anyone who enjoys travel and wants to improve their photography will find great daily content here, including inspiring images from around the world and tips and tricks for making the best possible photos.  You can email any post or share it via social media with the click of one of the buttons at the end of each post.  And if you enjoy To Travel Hopefully, please click in the right nav bar to subscribe via email or RSS feed, so you won’t miss a single post.  Thank you for visiting To Travel Hopefully!

Warm regards,

Kyle Adler

 

Rock Solid [Encore Publication]: Why you should always have a tripod with you

Tripods have had their ups and down, so to speak.  When photography was in its infancy, the wet plates used to make the images were very slow, so extremely long exposures were required and the cameras were big and bulky, so use of a big, heavy wooden tripod was essential.  It’s all the more remarkable when looking at the incomparable work of Ansel Adams to realize that in order to make these images he had to hike miles up steep mountain trails with a heavy view camera, several big and fragile plates, and an enormous tree trunk of a tripod.  As cameras became smaller and film faster, tripods went out of style except for certain low-light situations for professionals.  Now, more and more enthusiast photographers are recognizing the value of a sturdy tripod for capturing the best possible quality images of landscapes, buildings, and of course night scenes.  In some iconic travel spots, it’s hard to find space to shoot amidst the ocean of tripods.

Sure, they’re heavy and bulky, particularly when we’re hiking or walking for long stretches.  But a good solid tripod is essential for so many types of shots that I now carry one with me at nearly all times.

An example of a technique requiring a tripod even in bright light is high dynamic range (HDR) photography.  To make an HDR image, you shoot a series of photos of the exact same scene in rapid succession, varying the exposure by a little bit between each frame, and then use special software during post-processing to bring out all brightness levels in the image, from the dark shadows to the brilliant highlights.  But if the camera moves at all between the shots, it becomes harder to stitch the shots together into a beautiful HDR image.  I’ve been known to handhold some HDR shots, but I strongly recommend shooting them using a tripod.  Of course, you’ll also want a tripod for low-light and nighttime photography, and they’re very useful for landscape images where the high resolution of your camera’s sensor is called upon to render extremely fine detail throughout the scene.  And let’s not forget that to include yourself in a scene, use of a tripod makes life a lot easier.

Although I was shooting in bright sunlight, I needed a tripod to make this HDR image of Yosemite Valley peaks reflected in the Merced River.  If the camera moves at all between frames, it is harder to combine them into the final photo.  Buy this photo

For most travel situations, you’ll want a lightweight tripod that folds up to a portable size but still offers enough stability for most uses.  There are times, though, when I need to bring along my heavy and bulky professional tripod.  Whatever tripod you choose, be sure to fit it with a good quality head–ball heads provide a lot of flexibility and ease of use for travelers–and remember to take along the plate that attaches the tripod to your camera, if required.

My go-to lightweight travel tripod is the Manfrotto Be Free.  It folds up to an incredibly small size yet affords a surprising amount of stability.  The included ball head works well but is difficult to adjust for sensitivity.  This tripod is designed to fit into a specially designed pouch in my favorite travel photography backpack, also made by Manfrotto.

The SLIK 615-315 is a great tripod for use close to home or on trips where you will have constant vehicle support.  It’s very solid, supports a tremendous amount of weight, and can be adjusted for nearly any shooting situation.  I recommend you fit it with a good ball head for maximum flexibility.

A monopod can be a real problem solver when you need more stability than handholding or resting your camera on a vehicle or table will afford, but you can’t carry or use a full tripod.  I use the Manfrotto 681B model.

To be sure, if you know 100 photographers, you’ll hear 110 different opinions about tripods and the heads and plates that go with them.  The products listed above are my recommendations only, but I’ve had good experiences using them.  For those with a lot more money to spend, tripods and heads made by Really Right Stuff are much beloved by professional and well-heeled enthusiast photographers.

What combination of tripod, head, and plate do you use, and why?  Please share your recommendations here.  Tripods are one piece of gear with which we’re constantly experimenting, so bring it on!

Want to read more posts about photography gear?  Find them all here: Posts on Gear

Sweet Release: What is a model release and when do you need one?

We photographers are passionate about many aspects of our trade.  We love the artistic expression, that feeling of capturing a special moment that otherwise would be lost to time, even the gear we use to make images.  But one aspect of the trade that few of us–professionals and amateurs alike–enjoy thinking about is the legal side of making and selling images.  And one legal element about which we need to be knowledgeable is the model release.  Unless you never plan to make any images in which any person is recognizable, you should learn what a model release is and when you may need to use one.

First, a disclaimer: I am not an attorney and the advice I provide in this post is not intended to replace consultation with a competent lawyer.  What I provide here is just some practical advice I’ve acquired over the years, in which course I’ve made plenty of mistakes.  And you should also be aware that laws governing when you can photograph a person and how that image can be used vary from country to country and even among states or provinces within some countries.  With these points made, let’s explore the basic concept of a model release and when you may need one.

In the simplest terms, a model release is a legal agreement between a photographer and any person who will be recognizable in images made by the photographer.  It spells out the conditions under which the image can be published and often specifies the compensation to which the model is entitled.  In the US, a valid model release must be signed and dated by the photographer, the model, and a witness.  If the model is a minor child, a parent or legal guardian also must sign.  This agreement protects the photographer against being sued for defaming or cheating the model, but equally it protects the model from being taken advantage of.


When I work with a professional model, like Laura here, I always obtain a signed release before the photo shoot.  This practice ensures she will be properly compensated and protected against inappropriate uses of her likeness, while I and any publisher will be protected against defamation claims by the model.  Having the release means I have more flexibility as to how the image can be used later.  Buy this photo

So, when do you need a model release?  Here are some situations (not an exhaustive list) in which you should have one:

  • A person can be recognized in your image.  Note that personally identifiable information doesn’t derive only from a direct likeness of the person’s face.  He or she could also be recognized from a special feature such as a tattoo or from the context such as a clearly identifiable location.
  • … AND … one or more of the following statements is true:
    • You may wish to sell the image for commercial purposes such as advertising or use in a business’s publicity or promotion.
    • You may wish to enter the image in a competition or contest.  Check the specific competition’s rules; some require a model release whenever a person is clearly identifiable in the photo, while others do not.
    • You may wish to provide the image (even if you’re not compensated) for other people to use in a context you can’t control.  A model release protects you and those who obtain a license to use your image from being sued by the model for using their likeness in a way that they don’t approve.

In contrast, there are plenty of situations in which you don’t need to have a signed model release.  Some of these include:

  • One or many people appear in the image but none is recognizable.  The subjects may be far away from the vantage point or they may all be obscured or facing away from the camera.  As long as they cannot be identified individually, there is no need for a model release.
  • You plan to use the image only for your own portfolio.
  • You plan to use the image only for editorial purposes.  If your photo is published in a newspaper, magazine, or website where the primary purpose is editorial rather than commercial, a release is not required.  Imagine if every reporter had to get a signed release before publishing the likeness of every person appearing in any news outlet.  This would have a chilling effect on journalism, which is a pillar of a free and democratic society.  So in most cases, if your photo will be used for editorial purposes (that is, it will appear in a newspaper or magazine’s news section rather than in an advertising section), then you and the outlet’s publishers don’t need a release.
  • The images can be considered fine art photography.  Photos can be published and sold without express permission from the person appearing in them if the primary purpose is fine art.  In the US, case law upholds artistic expression as a form of First Amendment free speech in most cases.

Kashgar, China
Images with news value, such as this one made of a Uighur girl in Kashgar’s Old Town days before her home was to be demolished by the Chinese government, may be published and sold for editorial purposes with no requirement for a signed model release.  Buy this photo

When you do believe that a model release would be helpful given your intended future use of an image, it is quite a simple task to obtain one.  Some photographers carry printed forms with them so they can ask a subject to sign their release as needed.  I use an app on my smartphone called “Easy Release,” which you can purchase for $9.99 on the iTunes Store: Easy Release app for iPhone.  This app simplifies the process of creating a model release, getting it signed by your model and yourself, sending it to others, and storing and managing it for future use.

Because “To Travel Hopefully” primarily treats the subject of travel photography, I want to share my own philosophy when it comes to asking for a model release while traveling.  Even if you understand the laws of the country in which you are shooting, there are potential ethical issues in asking your subject to sign a legal document that he or she probably can’t understand.  You may be able to get the text of the document translated into your subject’s local language, but even then the context of the agreement may not make sense to somebody from a very different culture than our own.  I try to exercise good judgment when it comes to compensating the people I photograph when traveling overseas and to how I use the images later.  You may want to read or reread my pillar post on photography as a bridge to local culture: Post on Travel Portraiture.

Many photographers, models, and publishers misunderstand the conditions under which a model release is or is not required, so there’s a lot of misinformation out there.  Please consider my points here as just a starting point for learning more about this topic.

What are your best practices regarding when and how to use a model release?  Please share your thoughts here.