Chromatic aberration, also known as "color fringing" or "purple fringing", is a common optical problem that occurs when a lens is either unable to bring all wavelengths of color to the same focal plane, and/or when wavelengths of color are focused at different positions in the focal plane. Chromatic aberration...
Cameras and Lenses Category Archive - Page 90
What is Focus Shift?
Focus Shift is an optical problem that occurs due to Spherical Aberration, when an object is brought into focus at maximum aperture and captured with the lens stopped down. Focus shift can lead to blurry images and focus errors, when working with subjects at close distances and using fast aperture...
Nikon 40mm f/2.8G DX Review
This is an in-depth review of the new Nikon 40mm f/2.8G DX macro / micro prime lens that was announced in July of 2011. The Nikon 40mm f/2.8G DX, also known as "AF-S DX Micro-NIKKOR 40mm f/2.8G" is a consumer-grade lens for photo enthusiasts that need an affordable macro lens...
Nikon 400mm f/2.8G VR Review
This is an in-depth review of the Nikon 400mm f/2.8G ED VR lens that was released in August of 2007, along with Nikon D3 and two other exotic super-telephoto lenses. In this review, I will not only provide general information about the Nikon 400mm f/2.8 VR and its performance, but...
Sigma 50mm f/1.4 EX DG HSM Review
This is an in-depth review of the Sigma 50mm f/1.4 EX DG HSM prime lens that was announced on March 18, 2008 for Sigma, Canon, Nikon, Pentax and Sony mounts. The Sigma 50mm f/1.4 EX DG HSM is a professional-grade lens for enthusiasts and pros that need a high-quality lens...
Nikon D700 Review
The Nikon D700 is Nikon's first affordable full-frame (FX) camera, with 12 megapixels and amazing low light performance. I have been shooting with the Nikon D700 for the past three years, and I'm not sure why it took me so long to write a review of my favorite camera... I...
Nikon Quality Control Issues
Like any manufactured product, Nikon's products are also prone to quality assurance / quality control issues. While Nikon has a very extensive and comprehensive quality control process, some defective products can slip through and make it to the market. Other times, the pressure to increase the production output on Nikon's...
Dead vs Stuck vs Hot Pixels
Another frequently asked question from our readers is related to dead, hot and stuck pixels they encounter in images or on-camera LCD screens. Since there is so much confusion about these different types of pixel defects/malfunctions (people use them interchangeably without understanding the terms), I decided to write a quick...
Nikon D5100 Review
Marketed as an upper-entry-level DSLR, the Nikon D5100 is a major upgrade to the older D5000. It has a larger and a more enhanced swivel LCD screen and the same remarkable sensor as the semi-professional D7000. In addition to the above changes, the camera also lost some weight, making it...
Fuji X100 Review
To be honest, I was not planning on writing a review of the Fuji X100 camera. First, because the camera was sent to me in error. As I was preparing to send it back, I was asked if I wanted to try it out, so I agreed to check it...