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prblack.6206 · 05-03-2009, 11:40 AM

Any opinions?

Dhruba · 05-04-2009, 11:56 PM

Considered this lens for some time. At the end, ordered the Pentax DA* 300. It should come this week. The Sigma 120-400 is almost 4 lbs. The Pentax is 2.3 lbs. I just did not want that much weight. Second, it seemed to me that 300 mm is about the right length for outdoor animal shots. For some birds, it will fall short, but so will this Sigma. I will not miss 400mm with the Pentax 300, because I have the Tamron 1.4x TC. We are planning to take an Alaska Cruise, and the Pentax weather sealing will be handy there. Unfortunately, the Pentax is quite a bit more money.

ivoire · 05-05-2009, 08:28 PM

I owned one for a week and returned it (posted a review in the third party section -- (PentaxForums.com Third-Party Pentax Lens Review Database - Sigma APO 120-400mm F4.5-5.6 DG HSM). I found I get better results with the f*300mm and a teleconverter. I'd recommend the f*fa*/da* 300mm over this lens. Another good choice is the Sigma 100-300mm plus a sigma tc.

05-03-2009, 11:40 AM	#1
prblack.6206 New Member Join Date: Mar 2008 Location: Lockport, NY Posts: 11	sigma 120-400mm lens Any opinions?

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05-04-2009, 11:56 PM	#2
Dhruba Senior Member Join Date: Sep 2008 Location: Omaha, NE Posts: 104	Considered this lens for some time. At the end, ordered the Pentax DA* 300. It should come this week. The Sigma 120-400 is almost 4 lbs. The Pentax is 2.3 lbs. I just did not want that much weight. Second, it seemed to me that 300 mm is about the right length for outdoor animal shots. For some birds, it will fall short, but so will this Sigma. I will not miss 400mm with the Pentax 300, because I have the Tamron 1.4x TC. We are planning to take an Alaska Cruise, and the Pentax weather sealing will be handy there. Unfortunately, the Pentax is quite a bit more money.

05-05-2009, 08:28 PM	#3
ivoire Pentaxian Join Date: Mar 2007 Location: chicago burbs Photos: Gallery Posts: 3,368	I owned one for a week and returned it (posted a review in the third party section -- (PentaxForums.com Third-Party Pentax Lens Review Database - Sigma APO 120-400mm F4.5-5.6 DG HSM). I found I get better results with the f300mm and a teleconverter. I'd recommend the ffa/da 300mm over this lens. Another good choice is the Sigma 100-300mm plus a sigma tc.

sigma 120-400mm lens

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