Tag Archives: experiment

More Pentax Q Camera Talk

Now that the Pentax Q has started shipping, there is a lot more information available. I mentioned the Q back in June and I think a lot of what I said is still valid. I’m personally still on the middle road with the Q. I see positive aspects, but at the current price and lacking a few Pentax features (WR for example) it isn’t something I would be willing to … Continue reading

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Experiment Revised: Do older wide aperture lenses have issues with CMOS cameras?

Here is a link to my first article as well as the reason I’m doing the test. Thanks to a good tip from a user at a forum I frequent, I decided to test with just the FA 50mm f1.4 lens on both bodies. The difference this time is that I covered the data connections between the cameras and lens for the second sample set. Reason for the testing: Find … Continue reading

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Experiment: Do older wide aperture lenses have issues with CMOS cameras?

To follow up on my article here about the possibility that camera manufacturers are upping ISO behind the scenes with older wide aperture lenses, I attempted to do a test with two of my lenses and the two camera bodies I have. The test components: – K-7 camera body (CMOS type imaging sensor) – K10D camera body (CCD type imaging sensor) – Chinon 55mm f1.7 (M42 Screwmount + K-adapter designed … Continue reading

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Experiments in Astrophotography

Astrophotography has always been one of those areas that I’ve wanted to spend time on but rarely have. I always thought the cost of entry was really high (it can be) and the time of day best to take photos has been prohibitive. Forgoing the advanced methods and tools, I have put some time into the subject… My first attempt in recent memory was in May 2010, which resulted in … Continue reading

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