Boris Liberman wrote:
Igor, personally I translate "limited" designation into "unusual and
therefore costly". And the "*" designation to "professional and hence
expensive".
While wikipedia is not a definitive source, it can still be valuable:
https://en.wikipedia.org/wiki/Pentax_(lens)
FA lenses[edit]
Pentax smc FA 35mm f2
These lenses are designed with use for full-frame film SLR cameras. As
with the F series, they feature an aperture ring providing compatibility
with older camera bodies. Autofocus is like the F series of screw-drive
type. The FA* lenses are professional grade lenses and the FA Limited
lenses are all metal high quality primes. The FA series has been
superseded by the DA and D FA series optimized for digital cameras, but
as of March 2015 the three FA limited as well as the FA 35 mm f2 and 50
mm f1.4 are still in production.[4]
DA Limited lenses[edit]
These are high quality (mostly prime) lenses with the lens housing made
of metal. They usually have a wider maximum aperture compared to zooms
but narrower as compared to other prime lenses. This is a compromise as
DA Limited lenses are usually made to be much more compact than other
primes lenses. In August 2013 the DA Limited lenses were upgraded with
Pentax new HD coating, replacing the previous smc coating.[9] The new HD
lenses are also available in both silver and black, as opposed to only
black.
The DA 35/2.8 Macro was co-developed with Tokina.[6] As of February
2015, the DA 20-40mm F2.8-4 Limited DC WR announced in November 2013[10]
stands out for being both the only zoom as well as the only weather
resistant lens of the series.
--
Larry Colen [email protected] (postbox on min4est)
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