A large part of a wider maximum aperture is easier focusing, weather
autofocus or manual an F2 lens will lock a lot faster than an F3.5. My
SMC Takumar 35mm f3.5 gives excellent results on film and digital but
it's a PITA to achieve precise focus, under anything other than the
brightest lighting conditions.
Kostas Kavoussanakis wrote:
>On Wed, 19 Jul 2006, Godfrey DiGiorgi wrote:
>
>
>
>>Perhaps another reason that the DA Limiteds are being designed for
>>compactness and quality rather than speed is that the DSLRs they are
>>designed to work with produce so much cleaner results at ISO 400 to
>>1600 than the film SLRs that the prior series was designed to
>>complement.
>>
>>
>
>That's an excellent point Godfrey.
>
>Kostas
>
>
>
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