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Welcome to dPhotoexpert

Welcome to dPhotoexpert, the site which invites you to become a photo technique writer – one of our rated experts!

In addition to articles and news from the publishers of dPhotoexpert, we offer to host your own articles and photography, checked and activated by experienced photo magazine editor David Kilpatrick and our team.

Before becoming an author, you must register with dPhotoexpert. This will add you to our userbase, and enable dPhotoexpert to send you breaking news directly. We do not plan to issue regular email and you won’t be bombarded with information, but at key events such photokina, our registered users will be informed when dPhotoexpert coverage is on-line.

Registered users can also apply to become Authors. You must email the editor to request an upgrade to Author status. We reserve the right to amend unsuitable pseudonyms for display in our ranking of Authors, which will appear in the sidebar once articles are published and rated by our readers.

Each month, the top five rated article contributors will appear in order, dynamically changing. The top five articles will also be listed.Terms and instructions for using the authoring system will be sent to approved authors. If you are familiar with WordPress, you’ll find it very easy to create your own articles on dPhotoexpert – and achieve your rank as one of our expert contributors.

– David Kilpatrick, Publisher & Editor

A quick vertical bracket for DSLRs

Moving a DSLR – preferably without vertical grip because of the further imbalance created – to portrait format shooting on a small tripod ballhead produces an unstable arrangement where the head is stressed. The camera may sag unless the head is tightened, and if the lens is heavy, it may also unscrew itself from the normal tripod bush tightening. A L-bracket is the ideal solution for mounting your camera for a portrait session or any other situation where most of the images will be vertical. Continue reading »

A700, 6400 ISO, seven raw processors

There’s a lot of controversy right now about whether or not the image structure of the Alpha 700 files at very high ISO – mainly 3200 and 6400 – is as clean as raw processed results from other comparable cameras like the Canon 40D (does not offer ISO 6400), the Olympus E-3 (does not offer ISO 6400) or the Nikon D300. At the heart of this is the way different raw processors handle file conversion, and most specifically, the current performance of Adobe Camera Raw 4.3.1. Continue reading »

Using a low-cost IKEA spotlight for studio effect

IKEA has a very low cost optical focusing theatre-style spotlight which can be used, or adapted, for studio work. It comes complete with an adjustable iris diaphragm unit, a four-blade square aperture adjustable unit, a gobo/filter holder, a set of stainless steel cut gobos and a set of coloured glass filters. The focusing lens is not sealed against light leaks but open to allow heat to dissipate, however if this unit was adapted to hold a flash light source in place of its halogen bulb, you could also make a tube to seal off the light leaks from the optical assembly.

Continue reading »

Sony Alpha 200 – guided tour and overview

The Sony DSLR A200 is now on sale, following the end of Alpha 100 production. Although it is without any doubt the Alpha 100 replacement mentioned by Sony executives in October 2007, when they first revealed that the 100 was no longer being made, it is not an exact equivalent and represents a mixture of upgraded performance and simplified specification. Because it has gone in two directions at the same time, the A200 poses a problem for A100 owners. Continue reading »

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