IMHO, Tokina builds better lenses than Sigma (poor) and Tamron (better -
does not apply to the adaptols). I have the 17mm f3.5 Tokina and have been
very pleased with it as the construction is very good and optically not a
slouch either. In addition, it is the only third party lens that I carry on
a regular basis. In fact I will be leaving Sydney for central Queensland her
shortly and it is in the kit.
Bob Rapp
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, June 29, 2001 6:20 AM
Subject: Build quality of 3rd party lenses
>
> Hello!
> I am looking for a decently priced alternative to FA*AL 2/24mm, and the
new
> lenses from Sigma look promising (priced at around 65% of Pentax 2/24 is
1.
> 8/24mm Sigma). Apart from optical quality (anybody has any info on this
lens?),
> what is the build quality of Sigma EX line (compared to Pentax FA* lenses
AND
> to Pentax FA/F lenses)
>
> I ask because I had some bad experience with 3rd party lenses
> turning wobbly after time of heavier use, resulting in loss of
performance.
> These Sigma EX 1.8 aperture wides (BTW, 1.8/20mm is priced at LESS than
FA*
> 2/24mm!) are pretty light, made propably from lots of plastic. I am afraid
the
> focusing mount or whatever will loosen over time, especially if there are
any
> impacts or force on the lens hood, which mounts onto it. And these are
pretty
> common in my reportage work (as much as I try to be gentle on my
equipment,
> others don't... e.g. police, demonstrators, crowds,...), where this lens
would
> be used.
>
> So, anybody has experience with Sigma EX lenses (or ATX AF lenses from
Tokina.
> I had worse experience with newer Tamrons) performance over years of
heavier
> use?
>
> And what about FA lenses (plain FA, not FA*) ? I would maybe go for the FA
> 35/2 (selling my F 1.4/50 LN/MINT, so if anybody's interested...), but
what's
> its build quality?
>
> I like my lenses to last long, longer than me (I use a 70 years old
Rolleiflex
> Standard with success, it's a very nice camera which will last another 70
> years, but certainly not outlast me, I plan to grow very old <g>)
>
> Thanks for any info!
>
> Frantisek
>
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