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Forum: Troubleshooting and Beginner Help
08-06-2015, 05:56 PM
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Explain very calmly but firmly to the sales people you are there to buy Pentax and that's all there is to it. Complain to the manager or owner, quoting poor and obstructive service if they fail to assist you.
1.4X converter will cost you one f stop. 2x will cost you two. 3x (rare in AF if it even exists) will cost you three, and in my experience the image quality degrades so far with 3x that the pics are almost not worth having.
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Forum: Troubleshooting and Beginner Help
08-06-2015, 05:43 AM
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DA lenses are optimised for the APS-C sensor, but some (not all) work on full frame (which up until now has meant film in Pentax land).
D-FA lenses are optimised for digital cameras, but are also specifically designed to be full-frame compatible.
I have this lens, and it is excellent for things like insects and other similarly-sized objects. Not so good for flowers, I'm told, although your mileage may vary. If you want to photograph crawly things that sting or bite, the 100 helps you keep your distance while still getting the macro effect. The 100 WR Macro is also currently the only weather-sealed macro in Pentax's line-up, so it's ideal for taking on walks where you might encounter mud, rain, dust etc and you have a weather-sealed Pentax body to go with it.
They may have it (I saw a fair few when I was there last, new and used), but I agree that you cannot absolutely rely on this. Try Michael's and DigiDirect.
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