Resurrecting A Legacy Lens - Asahi Takumar 200mm f/3.5 Telephoto - TopicsExpress

Resurrecting A Legacy Lens - Asahi Takumar 200mm f/3.5 Telephoto (Prime)....... D90. ISO 1600. 55mm f/1.2 Nikkor Manual. f/4. 1/40s. Cdo.12.16.14 Description and Review Asahi Takumar 1:3.5/200 lens. © Robert I. Sadler, 2011 Asahi Takumar 1:3.5/200 lens. © Robert I. Sadler, 2011 Asahi Takumar 1:3.5/200 lens. © Robert I. Sadler, 2011 Description & Specifications Manufactured: 1958—1965 Camera Mount: M42x1 Lens Elements / Groups: 4 / 4 Diaphragm Type: pre-set Diaphragm Blades: 18 / octadecagonal Angle of View: 12·5° Maximum Aperture: f/3·5 Minimum Aperture: f/22 Minimum Focus Distance: 2·5 metres Magnification Factor: — Filter Size: ø 67 mm (screw) Length: 165 mm / 174·5 mm Largest Diameter: 73 mm Weight: ≈725 grams Product Number: 338 / 43380 Serial Number Range: — My Serial Number: 1104822 Variations: Distance engravings in white, or yellow (metres) and blue (feet); front bezel reads either “Takumar 1:3.5 f=200mm” or “Takumar 1:3.5/200”; depth of field indication lines either angled or (from October 1964) straight. (Distances in metres; Circle of Confusion is taken at 0·032 millimetres.) Review I’ve always felt that the Tele-Takumar 1:5.6/200 was a pretty darn good 200mm lens, but this chap outclasses it by lightyears. In fact, it gives my Canon EF 70-200mm f/4 L USM lens a serious run for its money — with a photo-finish required to determine the winner! The lens has eighteen aperture leaves. Yes, eighteen. Count ’em. 18! Technically the aperture forms an octadecagon, but in fact it looks round. Whereas a catadioptric lens produces doughnuts for bokeh, this lens creates the honey glazing on top. Optical quality is amazing. The four lens elements produce an image that outresolves the 10 megapixel sensor of my Canon EOS 1000D camera. It’s so sharp, you can shave with it. It has some CA at f/3·5, but then the lens hails from the late Fifties before multi-coating was invented. Anyway, stopping down to f/8 and using a good UV filter quickly fixes this. Indeed a rare gem that has very few peers. To paraphrase Crocodile Dundee: “Now this is a portrait lens.” Recommended: Yes Sample Photographs © Robert I. Sadler, 2011 References van Oosten, G. 1999. The Ultimate Asahi Pentax Screw Mount Guide. Uitgeverij Jansz.

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