GOERZ BINOCULARS, 1897 - 1930s. Compiled by Peter Abrahams. |field |first |price| First 5 models also monoculars. First 4 use rack & pinion to adjust interpupillary distance, have 40 degree apparent field, 1906 prices. 3 x 15 | Trieder No. 10 | 13.3 | | $38 | CF. 232ft/1000ft. 450gm. $44. in 1898. 6 x 15 | Trieder No. 20 | 6.7 | | $46 | CF. 116ft/1000ft. $54 in 1898. Canceled by 1911. Aluminum & brass. 9 x | Trieder No. 30 | 4.4 | | $54 | CF. 77ft/1000ft. $63 in 1898. Canceled by 1911. 12 x 20 | Trieder No. 40 | 3.3 | | $62 | CF. 58ft/1000ft. 610gm. $72 in 1898. 6 x 20 | | | | | IF. 'Mantel glas', prism housing lifts off. 6 x 30 | Pernox | |~1902 | $63 | IF, CF, 640gm & 720gm. 40 degree apparent FOV. 'Both prisms close to oculars.' The first 6 x 30 binocular. 8 x 30 | Pernox | | | | CF. 740gm. Patented Pernox housing, one cover only, prisms inserted from above. Stronger, more watertight. 10 x 30 | Pernox | | | | CF. 915gm. 10 x 45 | Pernox | | | | CF. 70m/1000m. Design modified, 1100gm to 950gm, ocular attachment changed. Monoculars available, similar to Pernox design: 15 x 45, 20 x 60. 100,000 Trieder-Binocles made by 1906. 'Trieder' name from prism. 2.5 x |Theater Bin.No.100| 13.5| 1906 | $36 | CF. 237ft/1000ft. 160 gm. 3 x |Theater Bin.No.150| 14 | 1906 | $40 | CF. 195ft/1000ft. 7 x | Army Binocular | | | $58 | IF. Waterproof. 5 x 40 | Fernglas 08 | | 1908 | | IF. Galilean, 77m/1000m, standard WWI German military glass, developed by Goerz. 3.5 x 52| Marine Nachtglas| | 1910?| | Galilean. 1150gm. 'Model 1910'. 2.5 x 12| Fago | | 1902 | | Internal CF. 3.5 x 15| Fago | 12 | 1902 | $40 | CF, moving objectives. 7 oz. FOV 200m/1000m. Gold plate & lizard skin model $46. Lorgnette handle $4. 6 x 15 | Pagor | 6.6 | 1905 | $40 | CF. 9 oz. 116yd/1000yd. Trieder-Binocle Pagor in Germany. 8 x 15 | Pagor | 5 | 1905 | $43 | CF. 9.5 oz. 87yd/1000yd. 1911, crocodile leather cover available for civilian models (except Pernox?) 10 x 15 | Pagor | 4 | 1905 | $46 | CF. 10 oz. 70 yd/1000yd. 1911, monoculars: 3x, 6x, 8x, 12x. 6 x 21 | Neo-Trieder | 7 | 1911 | $46 | CF. 122yd/1000yd. 12 oz. 8 x 24 | Neo-Trieder | 6.4 | 1911 | $50 | CF. 112yd/1000yd. 17 oz. 12 x 24 | Neo-Trieder | 4.2 | 1911 | $68 | CF. 73yd/1000yd. 17 oz. 6 x 24 | Heli-Trieder | 7 | 1911 |DM130| IF. 122m/1000m. 480gm. 8 x 26 | Heli-Trieder | 6.4 | 1911 |DM140| IF. 112m/1000m. 590gm. 6 x 30 | Helinox | 8.4 | 1911 | $58 | CF, IF. 147yd/1000yd. 26 oz. 'Trieder-Binocle Helinox' in Germany. 8 x 38 | Helinox | 6.25| 1911 | $68 | CF, IF. 110yd/1000yd. 31 oz. Goerz American Army & Navy catalog, just after move to 317-323 E. 34 St., NY (pre 1913): rubber replaces leather, military prices lower, IF, additional (?) waterproofing, yellow filters available. Also: large & small stereo telescopes. 6 x 24 $40; 8 x 26 $40; 8 x 38 $45; optical specifications identical to Heli-Trieder and Helinox models. New models: 3.5 x | Navy | | 1913 | $22 | IF. Galilean. 127yd/1000yd. 29 oz. grey baked finish. 6 x | Army | | 1913 | $18 | IF. Galilean. 75yd/1000yd. 21 oz. grey finish. "Very strong, cheaper, in wide use in Europe." 6 x 32 | Navy Trieder | | 1913 | $45 | IF. 146yd/1000yd. 22 oz. 10 x | Battery Trieder | | 1913 | $58 | CF. 70yd/1000yd. 40 oz. 10 x 48 | Pernox | | 1913 | $76 | CF. 70yd/1000yd. 32 oz. 8 x 56 | Marine Nachtglas| | 1922?| | IF. 150m/1000m. 3.5 kilograms. Erfle eyepiece. Apparent field 62 degrees. For observation of aircraft. 7 x 52.5| Marine Trieder | | 1914 | | IF. 1415gm. WWI service glass. Aluminum. Civilian Perpax made into 1920s. First Schmidt prism binocular? 10x 52.5| | |~1924 | | Replaced 7x52.5, used into WWII. Also,7x52.5 with angled oculars & complicated interocular adjustment. 4.5 x 20| Neo Universal | |~1924 | | CF. Goerz assimilated by Zeiss in the 1920s. | Unipont | | 1924 | | "Internal focus", airtight with glass in front of moveable objectives. 6 x 29 | Norma | 7 | | $50 | CF. 125yd/1000yd. 21 oz. 8 x 32 | Norma | 7 | | $60 | CF. 125yd/1000yd. 25 oz. 6 x 24 | Magna | 9.6 | | $65 | CF. 170yd/1000yd. 22 oz. 8 x 32 | Magna | 8.5 | | $72 | CF. 150yd/1000yd. 26 oz. 7 x 50 | Magna | 7.3 | | $90 | 128yd/1000yd. "in preparation" in 1930 15 x 52 | Magna | 4.5 | | $120| 80yd/1000yd. "in preparation" in 1930 6 x 16 | Norma | 8.5 | | $48 | CF. 150yd/1000yd. 7 oz. no individual ocular adjustment. 6 x 18 | Magna | 9.6 | | $60 | CF. 170yd/1000yd. 8.5 oz. 1930 Goerz American Optical Co. catalog notes their manufacture of lenses and importation of binoculars, implying that Goerz binoculars are all imported. References: Description of the Trieder Binoculars for sale by Queen & Co., 1898?. C.P. Goerz American Optical Co., 1906; Army & Navy Binoculars (pre 1913); 1913; 1930. Optische Anstalt C.P. Goerz 1886-1911. ("Fabriken: ..., Wien,..., New York...") Beez, Helga, and Hans Seeger; Field Glass Rarities from the Optical Museum of Jena. 1993. Seeger, Hans; Feldstecher: Fernglaser im Wandel der Zeit. Borken, 1989, Bresser. This chart prints in Courier font, 8 point, on 8.5 x 11 paper, landscape format http://home.europa.com/~telscope/goerz.txt home page: http://home.europa.com/~telscope/binotele.htm