Recent content by mquon

Hi Clem, I tend to agree with you about the engineered underexposure for one's own manipulation. Will play some more with it and get used to it. Thanks. mquon

Hi All, Just got my Sony Alpha with a 18-200 lens. I should be ecstatic but.... Find the pictures all come out underexposed in all modes and flash (on- board and external flash). If I compensate the picture or Photoshop it by one exposure factor, the pictures are great. Set the camera...

Hi All, I have invested a little time in understanding how the lens work with my Pentax Super Program body. As you rotate the lens aperture ring, two things happens: First, there is this mechancial aperture linkage at the bottom of the lens that travels in a slot according to the...

Hi All, Thanks to your infos, I was able to compare the operation against my 35-105mm zoom lens. When the 70-210 is set on aperture priority or fully automatic mode, the aperture automatically set (or stuck) to f16 opening. (On the 35-105, aperture is at the maximum opening). Aperture does...

Hi Xdivider and Fengwei, Thanks for your infos. Surprisingly, if I set the metering at aperature priority, and rotate to f/22 and f/32, the camera sets the shutter speed accordingly. The mystery is the aperture size did not reduce in size. There is a mechanical lens aperture lever on...

Hi Everyone, I would like some help in assessing if the manual SMC Pentax-A 1:4 70-210mm zoom lens I just bought at ebay is working properly or not. The aperture f-stop increment from 4, 5.6, 8, 11, 16, 22, to 32. As I rotate the aperture ring from 4 to 16, I can see the aperture closing...

Hi Everyone, I would like some help in assessing if the manual SMC Pentax-A 1:4 70-210mm zoom lens I just bought at ebay is working properly or not. The aperture f-stop increment from 4, 5.6, 8, 11, 16, 22, to 32. As I rotate the aperture ring from 4 to 16, I can see the aperture closing...