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:
We have been constantly running out of stock for the sensor gel stick and I am happy to say that we are now fully stocked, hopefully for a while! The limit set for how many sticks you can order has also been removed and we are now shipping internationally to many countries. If you select your country and you get an error that says “Sorry, it seems that there no available shipping methods for your location”, it means that we are not shipping to your country yet. Please use the Contact Us form and let us know where you want the sensor gel stick shipped and will consider it.
By now we have shipped over 700 units, mostly to US and Canada. If you are a happy customer, please leave some feedback on the product page. We know that many of you love the sensor gel stick, but some more feedback would surely be appreciated :) Thank you!
When testing lenses, I have to make sure that my setup is calibrated and the camera is perfectly aligned with the test chart. The process can take quite a bit of time, since I have to take a picture, make minute adjustments, then take another picture and retest again. In some cases I have to repeat the process many times over, which can be very painful. To simplify and speed-up the process, I have been connecting my laptop (which sits right under the tripod) directly to the Nikon D800E with a USB cable and have been using Nikon’s Camera Control Pro to dump files into a local folder, from which I pick up and process images using Imatest software. The problem with this approach has been speed – Imatest is pretty demanding when it comes to processing large RAW files from the D800E and my laptop just could not keep up. So I ended up moving the software to my powerful desktop machine, which created another problem. Every time I take a picture and need adjustments, I have to walk back and forth between the camera setup and the computer to analyze the results and make adjustments. USB 3 cables have length limitations and even with “active” USB 3 extension cables, the maximum length is typically under 10 meters. And that’s just not going to work for me, since I often test telephoto lenses and I have to be more than 10 meters away. To address these issues, I decided to try some wireless solutions that are available on the market. The first and the cheapest product to try was the Eye-Fi Pro X2 memory card. I got a 16 GB version and wanted to see just how well the card with its software could work for my setup. In this review, I will be focusing primarily on the transfer speed of the card and its usability with the Nikon D800 / D800E DSLR.
This is a short review of the Lexar Professional 400x SDHC UHS-I Class 10 card, which I have been using for the past 6 months. I have owned 4 of these cards in 16GB capacity and decided to write a review after every single one of them failed. I have never had such problems with memory cards, especially those that have a “professional” label attached to them. So this is more of a warning to potential owners, rather than a full-blown review of a product.
When it comes to memory cards, the market is simply overflowed by so many different brands and different types of cards, that it can get quite overwhelming for a first time buyer. Out of all those brands, the two most popular ones in the USA are SanDisk and Lexar. They put a lot of effort into marketing their products, particularly in the professional photography arena. For years I have been relying on SanDisk cards and have owned many Compact Flash and SD cards from them. Perhaps I have been lucky, but during the last 7 years, I have never had a single SanDisk card fail (I still own some pretty old 2 GB SanDisk cards). So last year when there was a good promotion on Lexar Professional cards and after I heard so many good things about the brand, I decided to give Lexar a try and purchased four of the professional 400x SDHC class 10 cards.
This is an in-depth review of the Sigma 18-35mm f/1.8 DC HSM Art lens, world’s first constant f/1.8 zoom lens for DSLR cameras that was announced in April of 2013. Despite the recent trend of manufacturers to move their customer base to full-frame format, Sigma took a bold move and announced the professional-grade Sigma 18-35mm f/1.8 Art for DX/APS-C format only. With a focal range equivalent to 27mm-52.5mm in 35mm format, the lens provides a good range to work with for a variety of different needs and applications. And with its fast constant aperture of f/1.8, the Sigma 18-35mm opens up opportunities to shoot in low-light situations, something that was previously only possible with fast aperture prime lenses. Lastly, Sigma’s pricing of $799 MSRP for the lens made it the top choice in terms of value when compared to pro-grade lenses such as the Nikon 17-55mm f/2.8G DX, which sells for almost twice as much and does not offer the same low-light advantages.
Chris Hejnar from Hejnar Photo Store is kindly giving a special 10% off discount coupon code for Photography Life readers. So if you want to buy his products at even a better price, please use the coupon code below. As I have pointed out in my Hejnar Photo Accessory Review, their Arca-Swiss compatible products are top notch in terms of quality, easily comparable to Really Right Stuff, Kirk and other top brands in the industry. Plus, Chris makes products right here in the US, so by purchasing from him we are supporting a growing small business (and at PL, we do care about US businesses competing with cheap foreign labor).
To take advantage of this 10% offer, please use the 012ccfcfb1 discount coupon upon checkout. This coupon is good for a year and if we continue supporting Chris, he will be able to extend the offer even more going forward. Please note that Photography Life does not earn any revenue from this offer. We are purely doing this to support a local business.
About 3 weeks ago, I decided to make some changes to my tripod setup in my lens testing lab, in order to make it easier, more consistent and fluid to test lenses. My decision was based on the fact that I found myself moving the tripod a bit too much when testing lenses, especially the de-centered ones (those that do not have a straight optical axis due to a slight dislocation of one or more lens elements). I decided to replace shorter macro focusing rails for much longer and bigger rails, so that I could have more room for side to side movement and more focus bracketing options for testing telephoto lenses. As I was configuring the setup, I realized that I needed to spend close to $2K in a more versatile tripod head and lots of Arca-Swiss rails, clamps and other accessories. The first task was to replace the standard quick release plate of the heavy duty Manfrotto 405 Pro Geared Head (to be reviewed later) with an Arca-Swiss quick release clamp. As usual, I started researching for a proper solution on Google, which pointed me to Hejnar Photo Store on the first page of search, with exactly the product that I was looking for. I then spent another 30-45 minutes researching the solution and read a number of posts on different forums, where people were raving about Hejnar Photo’s products, including the adapter that I needed. This was very important for me, because I needed a setup that would be extremely reliable and stable, especially for handling heavy super telephoto lenses.
Although I have never heard of the company before, I decided to give it a try and purchased the Arca-Swiss adapter and clamp for the Manfrotto 405 tripod head, along with a bunch of other accessories for my custom setup. The pricing was very good, so I wanted to see how Hejnar Photo’s products would compare to the most popular brands like Really Right Stuff. My order was processed on the same day and the package was shipped to me right away without any delays. After a few days, I received everything I ordered and started modifying the Manfrotto 405. After going through the instructions on Hejnar Photos’s website (which are nicely laid out with images), I was able to modify the head in less than 5 minutes. Once everything was put together, I was pleasantly surprised by how solid the setup was. I slid one of the long rails on Hejnar Photo’s tripod clamp and once secured, it was rock solid. No vibrations of any sort – and that’s exactly what I need for testing lenses! Here is the image of one of the configurations:
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.
1) Arca-Swiss Quick Release
The Arca-Swiss quick release system is based on a two piece mechanism. The first piece, generally referred to as a “plate”, is attached to a camera or a lens (or any other device). It comes in a standard, “arca-style” 35mm wide form with a 45° dovetail and can vary in length (a sample plate is illustrated above to the right of the tripod head). The second piece is the mounting base, generally referred to as a “clamp”, where the plate gets attached and secured. The clamp can be fully opened, allowing the plate to be dropped in and secured, or can be partially opened to allow the plate to be slid into the position. The biggest advantage of the Arca-Swiss quick release system is this ability to slide the plate without having to worry about mounting or dismounting anything. The 45° dovetail on the plate, as pictured below, allows equipment to be moved across the clamp and secured in a specific location using a side knob or a locking release.
I am excited about presenting yet another addition to our Photography Life family – please welcome Charles Hildreth! Charles is an amazing portrait photographer, who is coming back to Denver after spending the last several years working in Hollywood, California. I found out about Charles through my wife Lola, who showed me some stunning work by Charles on his 500px account (which happens to be one of the top). We will be closely working with Charles on some projects in the future right here at PL, so please give him a warm welcome!
With the proliferation of all kinds of gadgetry not only for everyday needs, but also for needs we thought we would never have, the camera market sadly seems to be moving in the same direction. Actually, it is already half way there. New cameras, lenses and accessories keep popping up every few months and come in all shapes, forms and colors. The camera market seems to be experiencing the same over-saturation that other electronics companies are seeing today. People do not want to buy new TVs anymore, so manufacturers are trying to find new ways to sell more TVs by adding more features. The approach is built on typical consumerism – make something look shiny and more interesting than it was before and it might lure people into buying it every year. Camera companies are sadly following exactly the same practice. Announcements are becoming more important than the products themselves, so manufacturers are pushing more redundant choices year after year just to make headlines.