An 18-200m f2.8-5.6 lense???

Started May 24, 2012 | Discussions thread
Robert Cohen
Veteran MemberPosts: 3,240Gear list
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Re: An 18-200m f2.8-5.6 lense???
In reply to MichaelEchos, May 28, 2012

Michael, while distortion isn't determined by aperture size, it's apparently harder - or at least more costly - to make a relatively low distortion lens with larger lens elements, and you'd need larger elements than in the present 18-200 if it were to have a larger maximum aperture.
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--Bob

 Robert Cohen's gear list:Robert Cohen's gear list
Nikon D300 Nikon D700 Nikon AF-S Nikkor 70-200mm f/2.8G ED VR Nikon AF-S DX Nikkor 18-200mm f/3.5-5.6G IF-ED VR Nikon AF Micro-Nikkor 60mm f/2.8D
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