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.… more »

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 :) more »

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. more »

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). more »

Fill-in flash is useful in many situations, even if we only have the built-in flash at hand. Even though an external flash offers a wide range of additional options and is recommended to achieve more professional results, the built-in flash is useful in many situations and can be slightly more versatile if we either make or buy an accessory called flash diffuser, which has the objective to “soften” the light. more »

On February 25 2014, Nikon officially launched the new top-of-the-line 16,2 Mp. Nikon D4S camera, with EXPEED 4, sRAW and 1080-60p full HD video. more »

Maybe you have been wondering if your branded flash is giving you the best bang for the buck.Or maybe you need more illuminating power when on location, without dragging around studio strobes, heavy power inverters and bags of extension cables; that is, if you have access to a wall outlet at all... In come the Godox Witstro portable bare-tube flashes. more »