d*****0
发帖数: 68029 | 1 丐友们可以参考一下。
18mm
K18/3.5 is an excellent rectilinear lens; it is quite large and bulky though
. It's correction of spherical and coma aberrations seems far better than
that of A20/2.8, and it is surprisingly sharp edge to edge. Its coma wings
are also smaller than those of K24/2.8, K28/2, or K30/2.8. Yoshihiko
Takinami also notes that the corner resolution of K18/3.5 is higher than
that of A20/2.8, and the only defect of K18/3.5 seems to be the lack of
normal or UV filter though it has four filte |
c********y
发帖数: 30813 | 2 帮主不是说M28比K28好么？和这个相反啊。
though
【在 d*****0 的大作中提到】
: 丐友们可以参考一下。
: 18mm
: K18/3.5 is an excellent rectilinear lens; it is quite large and bulky though
: . It's correction of spherical and coma aberrations seems far better than
: that of A20/2.8, and it is surprisingly sharp edge to edge. Its coma wings
: are also smaller than those of K24/2.8, K28/2, or K30/2.8. Yoshihiko
: Takinami also notes that the corner resolution of K18/3.5 is higher than
: that of A20/2.8, and the only defect of K18/3.5 seems to be the lack of
: normal or UV filter though it has four filte
|
d*****0
发帖数: 68029 | 3 可以请帮主也写一个类似的帖子呵呵
【在 c********y 的大作中提到】
: 帮主不是说M28比K28好么？和这个相反啊。
:
: though
|
h*******g
发帖数: 10585 | 4 我也听说m28/3.5最合理
K24/2.8也是 |
h*******g
发帖数: 10585 | |
h******g
发帖数: 11250 | 6 old了，以前有人贴过这个网页
http://mysite.verizon.net/vzeehbv4/html/pentax_primes.html#Primes
though
【在 d*****0 的大作中提到】
: 丐友们可以参考一下。
: 18mm
: K18/3.5 is an excellent rectilinear lens; it is quite large and bulky though
: . It's correction of spherical and coma aberrations seems far better than
: that of A20/2.8, and it is surprisingly sharp edge to edge. Its coma wings
: are also smaller than those of K24/2.8, K28/2, or K30/2.8. Yoshihiko
: Takinami also notes that the corner resolution of K18/3.5 is higher than
: that of A20/2.8, and the only defect of K18/3.5 seems to be the lack of
: normal or UV filter though it has four filte
|
h******g
发帖数: 11250 | 7 这些其实是从这里总结出来的，里边没谈到M28/2，只提到M28/2.8
http://stans-photography.info/
K28/2和M28/2这里有分辨率的比较
http://www.takinami.com/yoshihiko/photo/lens_test/pentax_28-30.html
【在 c********y 的大作中提到】
: 帮主不是说M28比K28好么？和这个相反啊。
:
: though
|
S*M
发帖数: 10832 | 8 老黄说的是M28/2最好
【在 c********y 的大作中提到】
: 帮主不是说M28比K28好么？和这个相反啊。
:
: though
|
h******g
发帖数: 11250 | 9 K28/3.5比m28/3.5好
【在 h*******g 的大作中提到】
: 我也听说m28/3.5最合理
: K24/2.8也是
|
S*M
发帖数: 10832 | 10 测评是这样的
但是能有多大real world difference呢
光圈反正一样，我宁可要compact一点的
【在 h******g 的大作中提到】
: K28/3.5比m28/3.5好
|
h******g
发帖数: 11250 | 11 除拍地图外是没多大不同，不过K也没比m大多少 52mm vs 49mm，261g vs 180g
我最近一直用套头，也觉得挺好……
【在 S*M 的大作中提到】
: 测评是这样的
: 但是能有多大real world difference呢
: 光圈反正一样，我宁可要compact一点的
|
T*******t
发帖数: 9274 | 12 M28/2....hoho
【在 c********y 的大作中提到】
: 帮主不是说M28比K28好么？和这个相反啊。
:
: though
|
h*******g
发帖数: 10585 | 13 我宁可要成色好点
【在 S*M 的大作中提到】
: 测评是这样的
: 但是能有多大real world difference呢
: 光圈反正一样，我宁可要compact一点的
|
k****t
发帖数: 12697 | 14 俺HEAD TO HEAD 比较过A50/1.4 和K50/1.4. A 明显比K 差多了, 跟它说得相反. |
