Re: Fwd: Macro photography: Kiron 105mm vs Sigma AF 105mm

2007-08-04 Thread syb vis
Combined with a 2x tc both lenses make extraordinarily strong macros. I just discovered this trick a few days ago, and now every animal that comes close is caught in a portrait... However most of them --besides being blinded for a short time by the flash-- do not mind at all. Fortunately.. http://

Re: Fwd: Macro photography: Kiron 105mm vs Sigma AF 105mm

2007-08-04 Thread Mark Cassino
I've had a Kiron 105mm f2.8 macro for years. It has always been a joy to work with. BUT - I recently added a Petnax DA-F 100 f2.8 macro. The reason - chromatic aberration on the K10D and the Kiron, particularly at high magnifications. The CA was visible using the Kiron on the *ist-D body, but i

Fwd: Macro photography: Kiron 105mm vs Sigma AF 105mm

2007-08-03 Thread syb vis
I recently purchased a secondhand K10D kit with a Sigma macro lens 105mm F2.8 DG EX autofocus lens. I already had a Kiron macro lens 105mm F2.8 PK/A. In excellent shape as well. Now, I hesitate. Which one to sell? Must say that the focus ring on the Kiron is very solid. That's nice, but it also