Astrophotography is a discipline dedicated to photographing the night sky in all its splendor. For this exercise to be successful, there are a series of environmental conditions, equipment demands and photographic operational- plus post-production techniques that we will explore in broad lines in in this arti
Many a telescope owner, after gazing at the sky for a while, wants more; wants to share what she or he is seeing. There are several ways to achieve this. The most obvious is shooting through the telescope eyepiece with a small camera or cell phone.…
Quite a few people end up here to try to get answers to their “million-dolar” questions, such as: “Is my D50 motorized or not?”, “Can my D100 focus and meter with manual focus lenses?”, “Is my D3100 geo-tagging (GPS) capable?”, and so on. I have concocted a compatibility table that pretends to answer these questions all at once, and is available in both HTML and PDF format. I hope it helps :)
The Nikon F-Mount was launched with the Nikon F camera in 1959 and has remained virtually unchanged since, making it the only lens mount still in production over 5 decades after its introduction. The camera mount comes essentially in 3 flavors: F, AI-S and AF, with some minor adaptations for particular cameras, mostly the digital entry-level models, which feature 2 extra screws and the minimum aperture confirmation notch, discussed later on.
Those of us who look at DxO Mark to help us decide which lenses are "best" for our particular cameras have been
It's been already more than five years since I wrote this article (in Spanish) on autofocus and although in many areas the innovation of DSLR’s has slowed down some, autofocus systems are still making unimagined jumps. In this article we review the 51-point system, which was introduced in late 2007 in the Nikon D3, D300 and the evolved version of which is used in the D7100, D810 and D4S (Advanced Multi-CAM 3500).
On November 25 last, Tamron announced the launch of the successor of its very respectable 200-500mm f/5-6.3 ultra tele-zoom, the Di SP 150-600mm F/5-6.3 VC USD, the first afficionado super tle at under $1500 On November 25 last, Tamron announced the launch of the succesor of it's very respectable 200-500mm f/5-6.3 ultra tele-zoom (test here), the Di SP 150-600mm F/5-6.3 VC USD. What does that letter-soup stand for, you wonder? Di means “Digi…