 Chuck |
Vignetting Problems with Sigma 28-200 Lens I recently purchased a Sigma 28-200 lens for travel. In the 28-35mm range I have noticed that the corners of the prints are darker (vignetting). Is this a fault with the lens or am I not doing something right. I'm using a Pentax PZ1P camera and have not experienced this with any other lens. Thank you.
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doug Nelson |
I've had this happen because of lens hoods. Are you using the one Sigma gave you? It's hard to design a hood that will work right at the wide and narrow ends of that huge range. Also, some makers don't care, figuring that, since common print sizes are not proportional to the 35-mm frame, the printing machines will crop out any vignetting. If you shoot slides, you'll see vignetting in this situation. Take off the hood and see if that's it.
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