Leica APO-ELMARIT-R Bedienungsanleitung

Leica R-LensesSeptember 2003Chapter 3: 180 mm and 280 mm lenses__ LEICA APO-ELMARIT-R 180 mm f/2.8__ LEICA APO-TELYT-R 280 mm f/4by Erwin Puts

Chapter 3Leica R-Lenses9You will have to find subjects that have extremely fine details tostart with, and then you must take pictures at quite a large

Chapter 3Leica R-Lenses10__ Summary In the roaring twenties there was a 540 SSK Mercedes Benzsports car with a turbo-charged engine.The turbo charger

Chapter 3Leica R-Lenses1Telephoto lenses have a long tradition at Leica. The first 20 cmf/4.5 Telyt lens was introduced as long ago as 1935 for theLei

Chapter 3 Leica R-Lenses2In 1975 Leitz Canada designers computed the 180 mm f/3.4Apo-Telyt-R lens for scientific purposes that required a veryhigh inf

Chapter 3 Leica R-Lenses3In 1993 the 280 mm f/4 Apo-Telyt-R was introduced. Perfor-mance was improved, especially in the outer zones; the weightwas re

Chapter 3Leica R-Lenses4With these considerations it is possible to create and define theimage effects that you want.If the main subject is encircled

Chapter 3Leica R-Lenses5Atmospheric turbulence and heat waves can destroy the imagequality at these large magnifications and one needs a skylightfilte

Chapter 3Leica R-Lenses6Flare and secondary images are absent and specular highlightsin the blazing sun are free from halo effects.Vignetting may be v

Chapter 3Leica R-Lenses7The diverging curves at 40 Lp/mm for sagittal and tangentiallines is of no relevance in practical photography. This reductioni

Chapter 3 Leica R-Lenses8Even so, the optical quality of the 280 mm lens is higher. Herewe can detect the limit of the MTF graphs when we restrict our