Watt-Seconds or Guide Number? I am a student of photography. When using studio flashguns, I notice that photographers use the term ‘Watt-Seconds” to denote the power of a flashgun. At the same time, I have also noticed that the power of a flashgun is mentioned as Guide Number. Which is right and which is wrong? G. S. Ambekar, Nagpur Neither is actually wrong but I prefer to … [Read more...]
April 2017- Picture of the Month
Photograph by Sadiqur Rahman A NOTE TO OUR READERS 1. The picture has to be horizontal. 2. Kindly ensure that the longer side should measure atleast 17 inches, at 300ppi. 3. Low resolution images will not be accepted. 4. We do not check images on online galleries. 5. Kindly ensure complete contact/address details are provided. 6. Please make sure that your … [Read more...]
The Mahabahu Brahmaputra
Rohinton Mehta The coffee table book – The Mahabahu Brahmaputra – is an effort to take the reader on a pictorial journey of the mighty Brahmaputra river and unravel its life-cycle and how it has changed the destiny of the people living along the river. The book offers a treasuretrove of information for researchers, planners, policy makers, academicians and anyone who is … [Read more...]
Table-Top
Smart Photography reader Ullas George from Cochin, Kerala, sent us this photo of a glass bottle and wine glass. For the benefit of other SP readers, we asked him to let us have the lighting diagram, which could help others to try and experiment with similar products. |SP Rohinton Mehta … [Read more...]
Ask Uncle Ronnie -March 2017
A Mixed Bag During the days of film photography, we used to get film with various ASA (50, 100, 125, 200, 400 etc) and we used to adjust the aperture and the shutter speed, depending on the lighting situation. 1) We were able to take pictures of moving subjects (like birds etc) at shutter speeds of 1/125sec or 1/250sec at apertures like f16 or f/11. 2) We could change the … [Read more...]
