Wednesday, June 25, 2008
Water fountain surface
Saturday, June 21, 2008
Fuji F50fd b/w photo
ant on a flower
Thursday, June 19, 2008
Birdfeeder swaying
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Tuesday, June 17, 2008
Battery adapter for the Yashica GSN
The things I like about it are the fast f1.7 lens for low light and narrow DOF, the quiet shutter, stepless electronic shutter and durable build quality.
What I don't like about it are the size is a bit large for a pocket camera, it's the size of an interchangeable lens rangefinder or even small SLR/DSLR. Also, while the metering is great, you never get a clear indication of what shutter speed you are using. You set the aperture on the lens, and the camera just determines the proper exposure (during exposure, off the film metering!). You can monitor the meter arrow lights and approximate where 1/500th and 1/30th are and estimate what your shutter speed will be, but you never get a real visual indication. You can also force 1/30th with the flash setting. There is also no AE lock, so in backlit situations, you need to set the ASA dial to compensate.
The last thing, and probably the biggest pain about this camera is it was designed for an old Mercury battery that isn't made anymore, a 5.6V PX32 battery, where there is no exact equivalent in size and voltage available. However, I did some tests and found that the meter circuitry is regulated, at least in my GSNs, and works accurately from about 5.6 V to 6.3V. In fact with my previous 3 GSN's, I used 6V batteries without any problems, usually the expensive (about $9 USD) 6V A544, or 4 stacked 1.5V LR44s, the latter which I can prucahse in Alkalines for about 8 for a dollar, and always used a cardboard or plastic tube insulator with a bolt, foil, or other conductive extendor to get the meter working.
I finally decided to scrape up some parts from the garage and assemble a proper battery adapter, and it was quite simple. Here is what I did to make some low cost solutions:
1. I found some plastic tubing in the garage that is about 1/2" I.D., and about 5/8" O.D. in size, and cut it to about 1.25" in length. I made two versions, but used the same size tubing. Also, cardboard or other insulated tube could work as well for both versions. One version, the one on the left in the photo is for 4 1.5V LR44 Alkaline batteries which I actually prefer to the A544 as these batteries only cost about fifty cents for four. The other version is for the A544 6V Alkaline battery.
2. Once inserting the batteries inside the tube, they need extending by about 1/2" (for the A544) or 5/8" (for the 4xLR44s) as the 4 LR44s stacked are about 1/8" shorter.
3. I taped around the screw and bolt at the end (threads for both versions are #8-32, only length varied), so they fit snugly in the tube and made good contacts at both the battery ends, and the ends where they will contact the camera battery connectors.
4. Once assembled and tighted within the tube, I used a multi-meter to check the voltage, measured the overall length which should be about 1.8", and inserted the assembly into the GSN cavity, with the positive side out, and screwed the cap on with a nickel.
This works well, and meters well with both the LR44s, and the A544, though I will try to use the LR44 solution, as these Alkaline batteries are so inexpensive compared to the A544s.
Sunday, June 08, 2008
3 Deer across the street
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So on this day, I grabbed my daughters Canon A550 which has a 4x optical zoom (about 140mm 35mm equivalent), and quietly tried to get close. They usually come in groups from about 4 to 8, but sometimes we've seen just a lone one being very brave and proud.
For this exposure from the Canon A550, f5.5, 1/160, ISO 80 was used, and it was cropped a bit to get just these 3 staring at the camera.
Nikon SLR shot with 43-83 zoom
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The film was Kodak MAX 800, which is a fairly grainly color negative film, and was taken at f3.5. The background OOF is similar to the Leica Summicron pre-asph 35mm lenses, which generally cost ~$1000 or so, but these old Nikon zoom lenses, are often 1/10th or less than that of a Leica lens.