What is Back/Front Focus when referring to camera lenses?
Back focusing and front focusing refer to the tendency of a lens – or sometimes the camera body – to focus slightly behind (back focus) or slightly in front of (front focus) the intended subject when using autofocus. In some cases, it can be eliminated by adjusting the lens at a repair center, and Canon has recently added a feature to the 1D Mark III, 50D, 5D mark II, 7D that allows the individual user to make adjustments on the camera. Read the rest of this entry » .
Related Photography Ideas for back focus lens at OneSlidePhotography.com
Have you ever encountered a prosumer camera with an unusually long range of zoom? These prosumer cameras are equipped with more than 15x zoom or an equivalent of 24-400 mm in a 35 mm sensor. Wow, that’s an awesome digit, considering these cameras only cost around $400 – $500. Even though its shape resemble a […]
The following are important factors in assessing the optical quality of a lens: -A good lens has the same sharpness in the center as it does at the edges (bad-quality lenses have a corner softness). -Good lenses can also capture with sharpness at any focal length and at any aperture setting (except when it exceed […]
A while back, I hosted a website about the world’s legendary photographers. These were Ansel Adams (of course), Sebastian Salgado, Yousouf Karsh, and many more. One by one I observed their galleries and then interpreted and blogged what I believed was the message the photographer tried to convey through their photography. I also noted and […]
If all this time you’ve only been photography sexy beautiful models, you’ll soon find out that it gets old and ordinary. How about giving other objects a chance? Try experimenting with photographing toys, and through creative angles and composition, you can turn your photographs into a work of art. And through these toys, you can […]
DSLRs (and for that matter all digital cameras) are capable of many different options and uses. Learning to use a digital camera is in some ways like learning to use a computer or cell phone or any other electronic device. The user must know which button to press or option to select, where to find […]
Almost in every picture we must see an empty space. That empty space is there for a reason, because emptiness is not always meaningless. Empty space can be very beneficial in adding aesthetic effect on a picture but on the other hand, it can also ruin the beauty of it. Yet it is definitely one […]
One of the weaknesses of Canon camera is when you often find “ERR99” popping up while you use it. For most users of this brand camera, this error message is one general or usual thing that happens quite often. But at times, it can be very annoying because when it appears it means that your […]