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Forum: Pentax SLR Lens Discussion 07-13-2016, 06:59 AM  
Sigma says No
Posted By VoiceOfReason
Replies: 25
Views: 3,043
Look at my equipment in my signature. Most people can do plenty with much less. I can do everything I need to with what I have. Would I like to add the F* or FA* 250-600 f/5.6 to my equipment list? The FA* 600 f/4? One of the 800 or 1200 mm lenses that Pentax had in the past? You bet I would! Can I live without them? Most certainly. With what I have no I can actually pull things like the Orion nebula, pretty detailed moon shots, Andromeda, birds, and wildlife including bears from a distance.

To OP, go, try the DFA 150-450 with 1.4tc combo, be impressed.
Forum: Pentax SLR Lens Discussion 07-13-2016, 05:45 AM  
Sigma says No
Posted By VoiceOfReason
Replies: 25
Views: 3,043
If you're using a crop sensor then the DFA 150-450 + DA 1.4 AW tc is the way to go, and even on the K1 it is usable, but you will need to crop. That gives a weather sealed 630mm f/8 which I've had no problems with AF on my K3 and K1.

---------- Post added 07-13-16 at 06:46 AM ----------

Ohh, adn that combo is quite sharp, even wide open. I had the 150-500 and it can't touch the DFA 150-450 for sharpness on the long end, and when coupled with the 1.4 the DFA 150-450 still beats the 150-500 in sharpness at the long end, and gives more reach.
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