How to Deal with Light Frequency Issue

When photographing in artificial light, one has to always watch out for the potential light frequency issue. Due to the different intensities and wavelengths of light emitted by fluorescent and other sources of man-made light, there might be severe variations in exposure when photographing at fast shutter speeds. This is a similar “flickering” issue that you see when photographing or video-recording a TV screen – different light frequencies cause the flicker that is recorded by the camera. This can happen both when taking an image and when recording videos. Take a look at the following image, which I captured in a low-light situation using the Nikon Df:

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What is Arca-Swiss Quick Release System?

Many of our readers frequently ask us questions about tripod heads and accessories to support heavy camera and lens combinations. Those that are especially new to super telephoto lenses quickly discover that tripod feet supplied by all manufacturers on modern lenses are simply not suitable to be mounted on regular tripod heads. Unfortunately, whether it is Nikon, Canon, Sony or a third party lens manufacturer like Sigma, they all supply non-standard tripod feet with their lenses. For new lens owners it can be a rather frustrating experience trying to figure out which tripod head would fit their large and heavy lenses, because nobody wants a lens worth thousands of dollars to end up crashing on the ground. And since most tripod plates are only equipped with a single mounting point, it can be extremely unstable and even potentially dangerous to mount anything heavier than a few pounds on them. The solution, which has become somewhat of a standard nowadays, was developed by a company called Arca-Swiss back in 1990s and since then has been popularized as “Arca-Swiss Quick Release System”. The idea behind this quick release system is quite simple, but very effective. Almost all professional photographers that use super telephoto lenses have adopted the Arca-Swiss quick release system and more photographers are converting even their regular cameras to this format for ease of use, stability and compatibility reasons.

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The Riddle of Intermediate ISO Settings

I guess today is a “blow your mind” Friday, because we have a guest post here by Iliah Borg, the person behind the RawDigger software that is used to analyze RAW images. I had a chance to engage in a conversation with Iliah when discussing the noise performance of the Nikon Df, where he not only proved me wrong on my assumption that the Df had exactly the same sensor as the D4 (turns out that they are similar, but not exactly the same), but also shared some incredible information about testing procedures, data analysis and other crazy, mind-boggling stuff! The learning curve with photography never ends, especially when you get into the whole sensor and image processing pipeline side of it. I must warn our readers though – the below article is very technical and is not intended for beginners! Hope you enjoy it! Nasim.

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A Fifty for Creativity

Even just a few hours ago, I was once again asked by a reader what lenses do I use most for my wedding photography. The answer is and always has been the same for my wedding, family or general photography needs – a classic fifty. I am sure hardly anyone will find this at all surprising, because fast 50mm fixed focal length lenses have become a legend of sorts. Ask any photographer and he will tell you – that is one of the two most versatile fixed focal length lenses you can buy (the other being a 35mm lens). It is time we back up that claim with actual photographs, and plenty of them. Is there a single reason for it being so versatile? No. Rather, it is a combination of various characteristics and generally pleasing manner of “drawing” the photograph that, even today with all the amazing zoom lenses, makes it such a sought-after lens.

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Do Filters Affect the Resolution of Lenses?

Just like the old “film vs digital” or the “Nikon vs Canon” debates, lens filters often create endless discussions on the Internet. Some people argue that one should never use protective filters, since it is another piece of glass in front of the lens that reduces resolution and emphasizes other optical problems such as ghosting / flare, while others argue that filters make it easier to protect the front element of the lens and make it easier to clean that element. I personally have been recommending use of protective filters for years, as long as they are of high quality. The filters that I have been using do not seem to affect the resolving power of lenses they are mounted on and mostly do not seem to heavily affect ghosting / flare either. Having spent the last couple of weeks in a lab testing many lenses, I wondered if I could actually measure the resolution of a lens with and without a filter. I recently purchased a used lens that came with a crappy plastic filter, so I decided to run two separate scenarios – one without a filter, one with a high quality B+W filter (more on B+W products below) and one with a cheap plastic filter. The results of the study came out very interesting!

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What is an Extension Tube?

Our readers frequently ask us about extension tubes for macro photography. Since I am not much into macro myself, I have not explored this area of photography enough to qualify to write about it. While I have done some macro photography for product shots and ring shots in weddings with my Nikon 105mm f/2.8G VR lens (a very sharp lens that I absolutely love), I have not explored its full capabilities and I have not tried to use extension tubes and bellows to do crazy things that you can achieve with a true macro setup. Meanwhile, our readers have been gracious enough to fill in, and I have recently received the below post from one of our readers, Usama Nasir, who talks about what extension tubes are and how they are used in macro photography.

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What is Composition in Photography?

With the first article in our new Mastering Composition series, it is only fitting that we start off by discussing the very definition of our main topic. In this article for beginner photographers, I will outline the general meaning of the term “composition” in art. I will also briefly discuss the goal of composition, define what a good composition is and why it is such an important part of any work of art. At the end of the article I will provide you with a simple question that is also a hint on what is to come in future articles.

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Image Management in Lightroom

One of the key areas that we will be focusing during our upcoming post-processing workshops, is image management and its effect on your workflow process. Unfortunately, many of us end up using Lightroom just for editing images and might not be aware of the powerful filtering and image management tools built right into the software. Before I started using Lightroom, I used to have a very messy folder structure in my computer, with images residing in multiple folders and several drives. I never really bothered to organize images in my file system, because there was no good way to do it – most operating systems cannot even properly read image EXIF data and lack built-in functionality to effectively sort through thousands of images. After discovering Lightroom, I was able to finally organize all of my images in my computer and once I developed a good methodology, I have been using the same process successfully for many years now. I wrote a detailed guide on this a while ago in my “how to organize images in Lightroom” article, where I go into more details on the import process. In short, if you have a messy folder structure today, I highly recommend that you organize it as soon as possible. Not only will it save you from a lot of headaches when searching for a particular image, but it will also standardize your workflow process and make your backup process simple.

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Tips on Photographing Food Outdoors

Food can be photographed anywhere and anytime, given that a photographer has the right tools for the project. Photographing in a controlled environment indoors like in a full professional studio or a mini self-made studio can take a lot of effort to set up and can be very costly. But what if you do not have the required tools for the job or cannot afford a good lighting setup initially? You resort to using natural daylight, which is free for all, thankfully. And while daylight is available for us every day to use, it can be challenging to work with. In this short article, I will provide some tips on photographing food outdoors and talk about using very inexpensive tools that will make a huge difference when dealing with harsh lighting.

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How to Photograph Family Portraits

Of all things photography I love photographing family portraits. For me, family portraiture is generally more flexible than any other type of photography, and it gives me lots of opportunities to express my creativity. If you are thinking about getting into family portraiture or perhaps someone asked you to photograph their family, you might not know where to start and how to plan it all out. In this article, I will talk about photographing family portraits and provide some tips on simple things you can do to come back with photos that the family will treasure for years to come.

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