Rare, Fast Macro Lenses from the USA

Eastman Kodak, USA. 1) Kodak Printing Ektar 2.8/103 mm SC109, for 1:1 scale, with lens hood and adapter for approx. 57 mm thread, lens good under point light. (3-/3+) ÿ 2) Kodak Printing Ektar Lens 3.8/98 mm SR134 for 2:1 scale, with screw-on ring and caps, lens clean under point light, rear lens additionally engraved with "Short Conj.", with original box (CAT 150 9959). (2-/2) ÿ 3ÿ5) Kodak Projection Ektar 4.5/100 mm, Kodak Color Printing Ektar Lens 4.5/101 mm, and Kodak Enlarging Ektar 4.5/75 mm. (3/3-) ÿ And: 6) Perkin-Elmer, Norwalk. Enlarger Lens 4/4 in., No. 203. Glass good to clean under point light. The exceptional weight and workmanship indicate a very special use. It is known that Perkin-Elmer (their Hubble-telescop mirror is known) developed lenses for microchip production starting in 1967, for a 1:1 scale with the resolution requirement of 2.5 microns in the 200 nanometer UV range, consisting of 16 lenses. (3/2-)

布雷克拍品等级是为了方便竞买人判断拍卖品的成色而设置的。布雷克等级用1到6级来标注外观和功能的成色，(从非常好到非常差)。 在目录图册里用括号里的2个数字来表示，前一个数字表示外观成色的级别，后一个数字表示功能成色的级别。如(3/2)表示外观成色是3(满意的)，功能成色2(好)。 成色 定义参照下列标准： 1 - 非常好 (未使用过，没有使用痕迹) 2 - 好 (新，极少的使用痕迹) 3 - 满意的 (普通的使用痕迹) 4 - 及格的 (明显的使用痕迹，某个非主要部件是后配的) 5 - 有缺陷的 (极明显的使用痕迹, 某个主要部件是后配的，功能上有缺陷，需要修理) 6 - 非常差 (严重破损, 缺少重要部件)