Review 3 of 3
Price Paid:
$875.00
from eBay Summary: Bought this lens used and never regretted it. Long and heavy enough to give reasonable stability on moderate tripods.
Looks impressive! Sharp and fast for the size. Strengths: Unbelievable sharpness at f8 with good color rendition.
In bright sunlight will autofocus with the Pentax 1.7X AF converter (the converter does soften the image, but you''ve got 850mm AF at under a grand, used prices).
Works with STACKED Pentax 2X-L and 2X-S converters for 2000mm and still maintains high sharpness. Weaknesses: A little soft wide open.
Some chromatic aberration wide open which disappears by f8. (I noticed it as a magenta fringe around a yellow sign, but was also using a 2x converter.)
33 feet closest focus distance. Adding the Pentax helicoid extension tube brings the closest focus back to about 17 feet. Similar Products Used: Pentax 1000mm f8 reflex (real disappointment), Pentax 400-600 reflex zoom (great little lens for the size), Sigma 50-500 zoom on Canon ELAN IIe (impressive lens, but nowhere near as sharp as the 500 f Customer Service: Fair.
Great on current production bodies.
Useless with my 1000mm reflex - I complained of poor sharpness, and after 4 months they sent it back with a few 3x5 prints (really!!!) and told me to get a
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