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09-02-2008, 01:12 PM   #46
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I have the DA* 300/4 and had before this the F* 300/4.

The optic quality off the DA* is slightly better.
As a surplus it has wheater sealing, closer focus, better tripod conection and important quick changing to MF or just overide the AF. Also f4 versus 4.5 this may not seem important but things change if you use a tc.
a simple example f4 X 1.4= 5.6 --- f4.5 x 1.4= 6.3

Already made some fantastic fotos with it.

Don't let the 500mm off the bigma impress you because 500mm you will find only in the name. It actually is a 480mm and at that range its f6.3. Its not a bad lens if the sun is shining.
I use the DA* 300 with the sigma tc (MF) and the results are that good that I'm thinking to buy a 2 X TC

Guido

09-02-2008, 01:56 PM   #47
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Can't say anything about Bigma or DA* 300 but I like very much my Sigma 100-300. It has good image quality, it is sharp and I enjoy the versatility!

I am now used to it's weight too, I think it is hand holdable in many situations just because of the weight, it gives you just the needed inertia!

09-02-2008, 02:18 PM   #48
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In a wildlife Forum based out of the UK, the only folks who complain about this lens are the canikon boys...I tell them it is all about the shake reduction...We are blessed to have it built into the body but take it for granted most often.
08-13-2009, 06:17 AM   #49
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Try the Sigma 120-400 for a "compromise"

Just as an update, if you've made it to the end of this thread started over a year ago, give the Sigma 120-400 a try if you are stuck in the middle like I was. I rented the Bigma and found it to be too heavy for what I really wanted to do, but the 100-300 didn't quite give me the reach I wanted. The 120-400 is 25% shorter/lighter. If you can get used to shooting with a monopod, I've found this lens to be a champ. My main subject are high school cross country runners, and this lens (on the monopod) delivers GREAT shots at all focal lengths.

08-13-2009, 06:50 AM   #50
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QuoteOriginally posted by MrMuz Quote
and I hear the Sigma 120-400 will be in pentax fit soon too?
Like this?

Sigma 120-400 f4.5-5.6 for Pentax
08-13-2009, 11:25 AM   #51
MGV
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Do you still have the Tokina 80-400? If so how does it compare to your other long lense, particularly in the 300-400 range. I have the chance to buy a new one at an atractive price.
08-13-2009, 03:02 PM   #52
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I have the Sigma 100/300 F4 and can recommend it highly.

I chose it over the DA* 300 because I needed to be able to zoom - a fixed 300mm was no use. The reports/reviews I had read on the Sigma 100-300 were nothing short of excellent with some Canikon prefering it over the Canikon brands of the same ilk. I thought about the 60-250 DA*, but the reach wasn't what I wanted and I didn't want a tromboning lens. I wasn't exactly bowled over by the 60-250's sample shots either.

I took the plunge and bought one; build quality is excellent, autofocus is fast and accurate, sharpness is top rate from 100mm to 300mm. It's quite a heavy lens, but I use it with a monopod. There's also no weather sealing, but I don't work in the rain so not a biggy to me.

Here is a set of shots I took as a test:

Sigma 100-300mm EX DG f/4 Samples - a set on Flickr
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