David59

I am happy to use the Sigma 100-400mm wide open both on the D500 and the Z7. I find there is very little difference in sharpness when stopping down but do so to gain dof. An example of wide open on ...

I can only comment on the lenses I have owned. I purchased the Sigma used and compared it with the 300pf I owned (purchased new). On a side by side comparison of images from both lenses with the ...

No they were hand held. I took most of the images at 1/320s but since the river was moving at a reasonable rate took a few at 1/80th to try to achieve movement in the water. Obviously it was still ...

A couple of photos taken today at Tadcaster North Yorkshire. I had the camera with me on the off chance of a photo of red kites. No kites, but due to a lack of recent rainfall the river is running ...

A few photos taken in the garden. For the first time we have a pair of long tailed tits nesting which gave me the opportunity to photograph them. A robin also got in on the act. All taken with Z7 ...

I am very happy with the Sigma 100-400mm and use it on both the D500 and Z7 body. I purchased it used at a time when I possessed the Nikon 300pf. Did a comparison between the two and kept the ...

The teleconverter is the original version TC-1.4E. I purchased it used many years ago and from memory believe it had already been modified. Previously used it on the nikon 70-200mm VRii but was ...

Today for the first time I employed my Nikon TC-1.4E on the Sigma 100-400mm  lens mounted on the ftz adapter to my Z7. I am wondering as to whether I would observe any improvement in image quality ...

A couple of photos taken this morning at a local pond. The object was to determine whether the image quality and af was acceptable for the combination I was using. These were taken with the Sigma ...

A few garden birds taken with the Z7 and Sigma 150-600mm S.

A few photos taken on a visit to Bolton Abbey North Yorkshire, England using the Z7 and 24-70mm f4 kit lens.

Hi Simon, like you I have no idea what 'Vendor Matching' refers to. It does not appear in the Windows hp software for the B9180 and therefore I suspect its either a Mac thing or associated with the ...

Hi, its a PC. The colour space I was referring to is Adobe RGB. The main Eizo monitor is a CX270 and is calibrated with the latest ColorNavigator software and X rite i1 display pro. The Viewsonic ...

At the weekend printed a portrait (head & Shoulders) for the first time in ages although the printer has been used regularly for non photo work. The colour was off, the skin tone being jaundice, ...

I am considering purchasing the Sigma TC-1401 for use with the Sigma 100-400mm for use on a D500. I have the Nikon original 1.4 tc  and am very pleased with the image quality of the combination. ...