Tom DelRosario wrote:
> I thought that L series meant a lens was built better and more expensive. In
>looking at a catalog, it appears that all the TS-E models are the same price, yet
>only one of them is L. . . .
>
> What differentiates the L-series lenses from the other lenses?
The "L" lens brochure published by Canon USA in 1999 (PUB.CT2-1505-004) actually
states that "L" stands for "Luxury and More...", but goes on to say that, as mentioned
by Dave H., an "L" lens will have one or more special elements, often in order to
correct aberrations inherent in "extreme" designs
like ultra-wide angle lenses or long telephotos with large maximum apertures. In the
case of the TS lenses, we can assume that the 24 mm model is the only one that
requires the "L" treatment in order to achieve acceptable results. From what I've
read, the non-L TS lenses would seem to offer better
optical performance than the 24 mm lens, but of course they fall within the
focal-length and max aperture range that least requires "heroic" correction measures.
:-) BTW, the "L" feature of the 24/3.5 TS-E lens is an aspherical front element.
fcc
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