Zoom Camera Lens

Visit www.DSLRCamera.com. This video will help you understand the three main parts of a DSLR Lens that can change the Depth of Field in photographs. We will explain how the Aperture, Zoom and Focus all effect the Depth of field in a photo.

*****REVIEW BELOW***** Sigma 70-300mm F4-5.6 APO DG MACRO Lens for Nikon. I got this lens on the 30th of May 2009. In the box: Lens, Lens Hood, Pouch and Manual Some Specs: 550g, magnification of 1:2, hypersonicmotor, price: US0 Handling Info: For Normal Use, the Manual Focus barrel does not turn that much. Macro is [...]

Here’s a silly video showing my new camera rig and some of its peripherals, (and yes, I like to crush the light in post — whether it’s highlights or blacks ;^) This camera rig is built around a full frame DSLR, a Canon 5D Mark II, and includes: Canon 2.8 L IS 70-200mm, Canon 2.8 [...]

Depth of field – The area of sharp focus on a photograph. There are three contributing factors: the aperture or ƒ stop on the lens, the distance between the camera and the actual point of focus and the focal length of the lens. This is mainly for beginner photographers and budding film makers Make everything [...]

Real-Time wireless control of professional cameras for the movie industry www.plcelectronicsolutions.com The Wireless iris allows Directors of Photography, camera assistants, or Digital Technicians the freedom of being able to move around the film set without being required to carry additional hardware to wirelessly control the exposure or zoom of each camera. The Wireless iris app [...]

Sigma has announced an image-stabilized telephoto zoom in the shape of the 70-300mm F4-5.6 DG OS. Suitable for use on both APS-C and full frame cameras, this lens incorporates Sigma’s Optical Stabilization technology allowing hand-held shooting at shutter speeds up to 4 stops slower than usual, along with a circular diaphragm for attractive rendition of [...]

Hi to you all! This is my version of Jorge A Sepulveda’s pancake motor vibrating DOF adapter. The clip you are seeing is from my first test so ratings and comments accepted with pleasure. For my version of the adapter, I used an old Pentax zoom lens (specifically the Pentax-F 35-80mm F:4-5.6) which is not [...]

This is a little(big) lense that I got from my friend that I am going to use for my future Canon Rebel XS. Please Rate, Comment and Subscibe. Follow me on twitter: twitter.com My band site: www.myspace.com My Flickr: www.flickr.com

Real-Time wireless control of professional cameras for the movie industry. www.plcelectronicsolutions.com The Wireless iris allows Directors of Photography, camera assistants, or Digital Technicians the freedom of being able to move around the film set without being required to carry additional hardware to wirelessly control the exposure or zoom of each camera. The Wireless iris app [...]