Tamron 300 f2.8/Stacked 1.4X Converters
As an inspiration from Ron, I tried out the Pentax 1.4X Rear Converter stacked with the Keno 1.5X and the Tamron 300 f2.8 on the K3. The example shot of a Loon was also cropped. This combo has some potential but I will try it next with the DA* 300 as it is a sharper lens.
|Morning At Picture Lake by Buzz Lightyear|
from Dawns first rays
|AT-6 Harvard by jarud|
from Trainer aircraft
|Matterhorn by ewng|