http://www.photoclubalpha.com/2007/05/23/16-80mm-filter-vignetting-myth-or-fact/ Search this site - over 170 articles on Alpha system topics! Subscribe to our magazine too! Thu, 28 Aug 2008 18:41:48 +0000 http://wordpress.org/?v=2.6 http://www.photoclubalpha.com/2007/05/23/16-80mm-filter-vignetting-myth-or-fact/#comment-2 Photoclub Alpha » Blog Archive » No chance of widening my horizons... Tue, 29 May 2007 21:54:12 +0000 http://photoclubalpha.com/?p=13#comment-2 [...] The Pro 0.75X does a very good job of turning a 24mm or 28mm lens into an 18mm or 21mm, on full frame as well as digital, and can just get away with it without vignetting. That depends on the lens design. It almost works well on the 18-70mm Sony kit lens, producing a 13.5mm wide angle at the 18mm setting with just a hint of corner cutoff. About the same as fitting a regular filter to the Carl Zeiss 16-80mm. [...] [...] The Pro 0.75X does a very good job of turning a 24mm or 28mm lens into an 18mm or 21mm, on full frame as well as digital, and can just get away with it without vignetting. That depends on the lens design. It almost works well on the 18-70mm Sony kit lens, producing a 13.5mm wide angle at the 18mm setting with just a hint of corner cutoff. About the same as fitting a regular filter to the Carl Zeiss 16-80mm. [...]

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