Ask Uncle Ronnie – June 2017


Should I Upgrade? I am a Nikon D200 (2006 model) user, hobbyist photographer and planning to upgrade my camera with D750/810 or D500, to bridge the gap between technological advancements since 2006. However, lot of rumours floating around is causing decision paralysis for me. Below are few of them: 1. Nikon has stopped production of D810! 2. Nikon is going to release … [Read more...]

Ask Uncle Ronnie – MAY 2017


4K recording What is the exact meaning of 4K recording @ 60 fps or 30 fps, Full HD 1080p @ 30 fps or 60fps etc. Please explain in detail. Virag Sharan, Jaipur ( Rajasthan ) Almost all digital cameras today offer video shooting capabilities. Videos can be shot at the following resolutions: 1280 x 720 pixels [known as 720p, High Definition (HD)] 1920 x 1080 pixels [known … [Read more...]

Ask Uncle Ronnie – April 2017


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 u … [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...]

Ask Uncle Ronnie – February 2017


Flat-field lenses Sorry if this has been asked before but I am a newcomer to photography. I have just started to pursue wedding photography. What are flat-field lenses and how do they differ from ‘normal’ lenses? Is there any advantage of one over the other? Please explain in very simple terms because I am not technically minded. S. R. Sardesai, Amravati Since you are sta … [Read more...]