The flagship of the Yashica Rangefinders is the GTN, displayed here to illustrate the Black Finish. Like it's chrome partner, ASA film speeds to 1000 are supported. Mechanically it is identical to the GSN, but certain metal parts have been executed in plastic to simplify the manufacture of black parts.
Links 
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- Lionel's Yashica Electro 35 GTN overview and instruction manual at 35mm-compact.com
- Yashica Electro 35 GTN/GSN manual at www.collection-appareils.fr
- Yashica Electro 35 GTN on www.collection-appareils.com by Sylvain Halgand
