Writing a caption is simple. All you need are the six Ws who, what, where, when, why and how (OK so the w in how is at the end).
The caption under the photograph of the Qosarif mosque in Kazan uses most of these but if you click on the picture you will see a different version.
Why Different Versions?
If you are producing a general caption for a picture, e.g. an image that is being sold by a stock agency then include as much information as possible. An editor can always remove surplus information but it is difficult to add.
If you have a specific market or publication in mind then tailor your caption to that audience.
The photo below is captioned for general publication. A railway magazine may want more technical details and history. The extended caption on the right is aimed at local interest or tourist publications.
Weighing nearly 140 tons this clanking, steaming, smoking heavy goods locomotive spent its short working life hauling 1500 ton iron ore trains on Merseyside. Continue reading
Adding Photo Captions
Programs are available which enable you to embed the caption in the metadata of the image. I use Adobe Lightroom to add keywords and a title and caption to my photographs.