o******s
发帖数: 1364 | 1 This is the 2x teleconverter I got from KEH at $19. Put it to field test
today. Planned to use it with my 80-200 f2.8 for wildlife.
Here are some results.
1. Without the TC at 80mm. Handheld. |
o******s
发帖数: 1364 | 2 Full crop at focus point. Auto focus
【在 o******s 的大作中提到】
: This is the 2x teleconverter I got from KEH at $19. Put it to field test
: today. Planned to use it with my 80-200 f2.8 for wildlife.
: Here are some results.
: 1. Without the TC at 80mm. Handheld.
|
o******s
发帖数: 1364 | 3 Without TC at 200mm. Handheld. Hand not so iron with the longer reach.
【在 o******s 的大作中提到】
: Full crop at focus point. Auto focus
|
o******s
发帖数: 1364 | 4 Full crop at the focusing point.
【在 o******s 的大作中提到】
: Without TC at 200mm. Handheld. Hand not so iron with the longer reach.
|
o******s
发帖数: 1364 | 5 With TC, at 400mm, on a tripod.
【在 o******s 的大作中提到】
: Full crop at the focusing point.
|
o******s
发帖数: 1364 | 6 Full crop on the eye. AF hunts a bit so I used MF.
【在 o******s 的大作中提到】
: With TC, at 400mm, on a tripod.
|
o******s
发帖数: 1364 | 7 With TC, 400mm, handheld, MF
【在 o******s 的大作中提到】
: Full crop on the eye. AF hunts a bit so I used MF.
|
o******s
发帖数: 1364 | 8 Full crop at the eye.
【在 o******s 的大作中提到】
: With TC, 400mm, handheld, MF
|
o******s
发帖数: 1364 | 9 Summary:
This TC certainly degrades the IQ but is still usable with resize. Consider
the price paid, I would accept it as an alternative to 456.
Of course, many settings have not been tested, this is just a rough estimate
of the worthiness on the item.
BTW, are the two lenses in this picture Canon 328 and 100-400?
【在 o******s 的大作中提到】
: Full crop at the eye.
|
