"Doug Jewell" <ask@[EMAIL PROTECTED]
> wrote in message
news:47e74833$0$17353$5a62ac22@[EMAIL PROTECTED]
> Pete D wrote:
>> "Doug Jewell" <ask@[EMAIL PROTECTED]
> wrote in message
>> news:47e7034b$0$17341$5a62ac22@[EMAIL PROTECTED]
>>> Cryptopixel wrote:
>>>> http://www.clocksnprints.com/bugsat200mm.htm
>>> Clicked send on my other reply before I was ready. oops. Anyway, as I
>>> said before, nice pic doug.
>>>> Sigma and other after market lens makers have some exceptional lenses
>>>> in their ranges. The patented nature of lens based image
stabilization
>>>> means that these smaller makers are at a substancial disadvantage...
>>>> Until the likes of Pentax and Sony (to name just two) catch up with
>>>> camera body technology.
>>>>
>>>> The latest Pentax K20D is one example of where serious photographers
>>>> can save thousands of dollars and not sacrifice anything, compared to
>>>> buying Canon and Nikon kits. In-camera image stabilization saves
>>>> photographers serious money when buying excellent quality lenses.
>>>>
>>>> The Sigma 70 -200 F/2.8 (macro) that took this picture costs less
than
>>>> half of what a VR Nikon equivalent costs. Almost enough price
>>>> difference to pay for a Pentax K20D body!
>>> Was this shot with a K20D? - I thought you were using S5's and D300s.
>>>> It's hard to justify the weight and cost of in-lens gyros when
cameras
>>>> with sensor based IS are now every bit as good as their Canon and
>>>> Nikon rivals.
>>> Most tests tend to show that lens based IS is better than body based,
>>> and that's probably right. But we survived so long without any IS at
>>> all, that surely there are more im****tant things to rate a system on
>>> than the performance of IS with one or two particular lenses. Canon &
>>> Nikon definitely have a better range of fast telephoto lenses than
>>> Pentax do - this makes In-Body or In-Lens IS irrelevant if it is hard
to
>>> even find a suitable lens for the body. But certainly for someone who
>>> mostly needs wide through to moderate-telephoto the Pentax system
>>> represents exceptional value.
>>
>> Not sure what lenses you need in Pentax mount but their 200mm F2.8
looks
>> pretty good and their soon to be released 300mm F4 will probably be
good
>> as well. If you really need big glass though I would suggest that
Pentax
>> is not for you.
> Pentax certainly offers all that I need, and then some! But for some of
> the s****ts and wildlife nuts, the lack of fast 300+ glass is a
compelling
> reason not to go pentax.
>>
>> If you are shooting with a K20D it would seem that faster long lenses
>> while normally desirable may not be quite as needed as they once were
>> because the high ISO performance is getting to be so good.
> True, but regardless of how high you can go in ISO, if you have fast
glass
> you will always have an advantage over slow glass. Yes, the high ISO
> performance of the K20 will mean a K20 & 5.6 lens will do what would
need
> a 2.8 lens on the K10, but a K20 & 2.8 lens will be better again.
Whether
> that translates into faster shutters for better frozen motion, or
whether
> it translates into lower light shooting is up to the owner, but
> regardless, they are still better off with the fast glass.
Correct for the "Pro" shooters but for the "average" shooter they will do
just fine.
|
