The lens is very solid and sturdy, yet not very heavy. Focus ring has full throw, rather than the very short throws on zoom lens, which may be why AF is slow.
The Olympus 1.45x teleconverter is intended for Olympus ZLR camera lines. These SLR cameras have zoom lens permanently attached to their bodies.
The 300D (Digital Rebel or Kiss Digital) doesn't have that switch. It is smart enough to work with both automatic and manual lenses. I suspect that all of the ...
Overall, this is an excellent lens. It is the only lens I take with me to shoot roller-hockey games. Based on my experience, the focal length of the Canon 300mm ...
$769.00
The Sigma 105mm f/2.8 EX DG OS Macro Lens for Nikon AF Cameras delivers superb, distortion-free images throughout its broad focus range, from infinity telephoto ...
Explains the purpose of stacking teleconverters and how to calculating focal length, aperture, and aperture diameter.
Nov 19, 2019 · Sigma 105mm EX DG Macro - anyone know how to update the firmware and where can I get a copy of the firmware ?
The Sigma 20mm f/1.8 D EX DG Aspherical Lens has a clutch-like system for switch between AF and MF modes. The system is very similar to the Sigma 105mm f/2.8 EX ...
Some thoughts on the Sigma 105mm f/2.8 EX macro lens ... Did your message disappear? Read the Forums FAQ. Add Comment. Spam Control | * indicates required field ...
After experimenting with the camera, teleconverters, and lenses, I realized that the auto teleconverters must be used with auto lenses. Auto teleconverters with ...