D800+Sigma 50-500mm OS DG HSM (BIGMOS)

Started Oct 8, 2012 | Questions thread
engbert Senior Member • Posts: 2,598
Re: D800+Sigma 50-500mm OS DG HSM (BIGMOS) and Nikon 500mm VR.

This target is set up in good sunlight about 40 feet away, and the images are cropped.  The first is with the Sigma 50-500 OS, and the second with the Nikon 500mm f4 VR.

The lines remain separate down to between 2-3 in the green letters beneath in both.  However, the contrast is much better with the Nikon.  There is no doubt which is best.  But 2 days ago I walked 5 miles with the d800e and the Bigma, and it was not a big deal at age 77.  I had found it quite hard to do that carrying the Nikon.

Incidentally, both show some kind of moire, and this is not specific to the d800e.  I have used this chart on a d7000 and seen the same pattern.  I have not found out how to embed these image in the message - I used to do it in the old version of this site.



Here is the whole image with the Bigma, reduced to 20%.


Off topic, here is a picture of a Purple Gallinule juvenile, taken with the Nikon 500mm f4 VR and d800e, followed by a crop.



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