2020年2月28日金曜日

Konica Electro 35


Getting on the beat of Old Lens plantation, I'm going to try Konica Electro 35 this time, relatively newer one. It often appears in Yahoo Auction at very low price like nothing, this is why I set the next target, but Gaussian 4 group and 6 element optical designing is the same as former manually controlling models.
As a matter for disappoint, Electrically controlled 2 blade iris has strange shape, it looks like a Cross at all. The engineers must have well developed and researched before designing this Cross shape and it will not do harm on the picture quality. Hexanon 45mm/f1.8 would play a good part of focusing on Complementary Metal Oxide Semiconductor digital image sensor. Fine transparency would be obtained, so I hope.
Les unit has removed from another junk body and the shutter mechanism including slow governor would be removed thoroughly without destroying external appearance. 55 mm hood is available and 8 mm forward extension would allow 70 cm close up shooting if an original helicoid mechanism is utilized.
To tell the truth, Cross shape 2 piece iris construction delays my enthusiastic power not a little.

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