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| Lenses -> M42 -> Carl Zeiss Jena Flektogon 2.4/35 |
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| Construction - |
6 elements, 6 groups |
| Angular field - |
62° |
| Minimum focusing distance - |
0.19m |
| Diaphragm action - |
Fully automatic |
| Minimum aperture - |
f/16 |
| Filter size - |
49mm screw-in type |
| Push-on diameter - |
51mm |
| Weight - |
250g |
| Barrel length - |
61mm |
| Description - |
Replacing the 2.8/35, lens is of an evolutionary inverted-telephoto design with much smaller front glass diameter. Multi-coated, available in both auto and electric versions. Remounted as the B-series Carl Zeiss Jena Prakticar 2.4/35. It is known that some examples were made with its minimum focussing distance at 0.2m, minimum aperture f/16, and weighed 248g. |
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Lens schema:

Lens:
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Pictures taken using this lens:
Hocking Hills Lower Falls by Jack Everetts
Additional data: Camera: Praktica IV FB Shot on: Fujichrome Provia 100F
This particular photo is of the Lower Waterfalls located in the Old Man's Cave area. The camera is looking East, so the Falls are facing South. We arrived at this point about noon, and I set-up the tripod and mounted the camera and lens on it. The weather was extremely overcast that morning, but the sun did come out for just a little while: you can see the sunshine on the rocks just to the right of the falls and on the falls themselves. Also, this is located down in a gorge with high rock walls all around.
After scanning the transparency, I used Adobe Photoshop Elements; the image has been cropped slightly. An incident lightmeter determined the exposure, and a slow shutter speed was chosen for the effect on the moving water.
Scioto River by Jack Everetts No.1 No.2
Additional data: Camera: Praktica V FB Shot on: Fujicolor NPC 160 Accessories used: Along with a polarizing filter, Adobe Photoshop Elements were used as well.
It (no. 1) was taken November 3rd, 2002 in the morning between 8:45 and 9:30 AM. The sun was just high enough to strike the trees on the west bank of the river, but the sun's direct rays didn't hit the river itself. Additionally, a thin layer of haze or fog hovered just over the water - the outside temperature was chilly that morning. After the sun rose higher, the reflection of the trees in the river completely disappeared as did the haze.
Metering techniques: and incident light reading taken directly of the bright sunlight just before walking down to the riverbank, so the exposure is based on the reading off of the bright sun's rays plus 1.5 stops for the polarizing filter.
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