http://users.bestweb.net/~hchong/temp/
the first three were taken with my *istD at ISO 200 using my FA* 400 f5.6 with the Pentax A1.4X-L and then cropped exactly 50%. that means a total effective FOV of 400mm * 1.4 * 1.5 * 2.0 = 1680mm. the second three were taken with *istD at ISO 800 using my FA* 400 f5.6 with the Sigma AF APO 2.0 extender and then cropped 50% too. that is an effective FOV of 400mm * 2.0 * 1.5 * 2.0 = 2400. all were taken this weekend in the Hudson Valley region of NY State. Herb....
