APO-ELMARIT-R F/2.8/180Mm
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PRODUCT INFORMATION APO-ELMARIT-R f/2.8/180mm High-speed telephoto lens with apochromatic correction for extended spectral range for LEICA R-models* (all modes) *) Modification for additional use on LEICAFLEX models is possible. Please ask the customer service of Leica Camera AG for advice! The focal length of 180mm is of par- elegant, even slim appearance. It is one of the top lenses in its class. ticular photographic importance in particularly suited for hand-held the LEICA R system. The APO- exposures, as it is convenient to The image quality of the LEICA APO- TELYT-R f/3.4/180mm introduced hold and enables the photographer ELMARIT-R f/2.8/180mm at infinity this focal length to the LEICA range to shoot without tiring. is distinguished by the virtual absence of high-performance lenses, and has of coma, astigmatism and field cur- since earned itself a formidable repu- The general optical performance of vature. Stopping down to eliminate tation. With the ELMARIT-R f/2.8/ the new APO lens is praised by even these residual errors is therefore not 180mm introduced several years the most demanding photographers. necessary. In the close range, which ago, Leica succeeded in producing Even at full aperture its image quali- with this lens extends down to an ultra-fast high-performance lens ty is exceptionally good, and there is 1.5m, the exceptional performance which is nevertheless very compact no need to stop down. Contrast and is retained almost in full. and easy to use. resolution are superb on the optical axis and throughout the entire image The level of pincushion distortion Leica has now combined the special field. (approx. 1%) is extremely low and features and the excellent qualities hardly visible in the picture. Vignet- of these two lenses in the new High speed lenses with long focal LEICA APO-ELMARIT-R f/2.8/180mm, lengths and the highest in image which replaces the two previous quality call for apochromatic correc- 180mm lenses in the LEICA R lens tion. Apochro-matic correction is the range, the ELMARIT-R f/2.8/ 180mm elimination of residual errors in the and the APO-TELYT-R f/3.4/ 180mm. so-called secondary spectrum pre- sent in the optical system. Theses Like its predecessors, the LEICA errors are particularly evident in tele- APO-ELMARIT-R f/2.8/180mm ex- photo lenses. Shortwave blue light cels not only through its superb is refracted more sharply than light image quality, but also through its at longer wavelengths (dispersion). high functionality and convenient This phenomenon causes colour handling. Its design is based largely fringes which reduce contrast. The on that of the ELMARIT-R f/2.8/ apochromatic correction counter- 180mm and was even slightly im- balances this tendency by bundling proved to make it more ergonomic. the entire spectrum in a limited Thanks to its length to bayonet range. The measures that Leica took flange of 132mm and its front lens to eliminate this residual error makes diameter of 76mm, the lens has an the APO-ELMARIT-R f/2.8/180mm PRODUCT INFORMATION ting (a decrease of light towards the the photographer to place the lens edges) is virtually insignificant in on a surface without risk of damage. practice, and from apertures of 4 or Use of the APO-EXTENDER-R 2x pro- 5.6 and smaller, the lens is entirely duces an optical system with the free of artificial vignetting. data f/5.6/360mm. The superb image quality remains largely unchan- The APO-ELMARIT-R f/2.8/180mm ged when this 2x converter combina- is also equipped with internal focu- tion is employed. sing. Thus, throughout the entire focusing range, only the elements in The APO-ELMARIT-R f/2.8/180mm the interior of the lens move. The offers serious LEICA photographers length of the lens therefore remains a fast high-performance telephoto constant during refocusing, and the lens which can be used for portraits, equipment rests conveniently in the fashion, sports or landscape photo- users hand. The extensible lens graphy and which meets highest hood has rubber rim guards enabling demands even in difficult conditions. APO-ELMARIT-R f/2.8/180mm Technical Data in a soft leather case, Angle of view: 14° with lens cap and rear cover Number of elements: 7 black anodized finish (5 components) Filtersize: E67 Order no. 11 273________ Internal thread: M67x0,75 Fully automatic spring back diaphragm Accessories: Aperture setting ring with clickstops APO-EXTENDER-R 2x (preferably (including half values) with aperture priority and manual) Smallest aperture: 22 Combined meter/feet scale Order no. 11 269________ Focusing range: UVa filter E 60 infinity to 1,5m Order no. 13 386________ Smallest object field: Yellow green filter E60 168x252mm (6.6x9.9 in, Order no. 13 393________ about 1:7) Orange filter E 60 Parallel guided focusing mount LEICA R quick change bayonet Order no. 13 388________ for LEICA R3-R8 with mechanical Polarizing filter E 60 The MTF is indicated both at full aperture and at (and for LEICA R8 with additional f/5.6 at long taking distances (infinity). Shown Order no. 13 407________ is the contrast in percentage for 5, 10, 20 and electronic) exposure compensation) Replacements: 40 lp/mm accross the height of the 35 mm film Black anodized finish format, for tangential (dotted line) and sagittal Built-in, telescopic lens hood, Soft leather case (solid line) structures, in white light. The 5 and 10 lp/mm will give an indication regarding the rubber-armoured Order no. 14 765________ contrast ratio for large object structures.The Lens cap diameter: Lens front cap 20 and 40 lp/mm records the resolution of finer 76mm (3in) and finest object structures. Order no. 14 291________ Length from bayonet flange: Lens rear cover 132mm (5.2in) sagittal structures Diameter: 76mm (3in) Order no. 14 162________ ------------------------- tangential structures Weight: 0,970kg Trademark of Leica Camera AG, Oskar-Barnack-Strasse 11, D-35606 Solms, Germany The Leica Camera Group Telephone +49 (0) 6442 208-0, Fax +49 (0) 6442 208-333 http://www.leica-camera.com [email protected] Order numbers German 920 463, English 920 464, French 920 465 Printed in Germany, II/98/HX/B. Printed of paper bleached without chlorine (tcf). ® = Registered Trademark. Design subject to alterations without notice..