                        Leica MACRO-ELMAR-R 100mm 1:4 Order nos. – 11232-helical – 11230-bellows – 11270-bellows-set . LLC – 179 Production era – 1978-1995 < 16,254 lenses including Helical and Bellows versions Variants – Helical 3-cam and bellows unit without cams Number of lenses /groups – 4 / 3 F stop range – f/4 – f/22 Closest focusing distance – 1.10 m / 3.60 ft Smallest object field – 38 x 57 mm (bellows) – 72 x 106 mm (helical) Diaphragm setting /type – 8-blade Angle of view diagonal – 25 degrees (bellows) – 27 degrees (helical) Filter type – Series VII (1st) – E 55 (2nd) Accessories – Bellows: 16860 – Adapter: MACRO-ADAPTER-R Materials – Dimensions length x diameter – 120 x 67.5 mm / 4.72 x 2.66 in (bellows as shown) – 90 x 67.5 / 3.54 x 2.66 in (helical) Weight – 670 g /1.48 lb (bellows) – 540 g /1.19 lb (helical) Inscription – MACRO-ELMAR-R 1:4/100 LEITZ CANADA [WETZLAR] 2XXXXXX  |