Használati útmutató Leica Elmar M 24 / 3,8 ASPH
Olvassa el alább 📖 a magyar nyelvű használati útmutatót Leica Elmar M 24 / 3,8 ASPH (6 oldal) a lencse kategóriában. Ezt az útmutatót 14 ember találta hasznosnak és 2 felhasználó értékelte átlagosan 4.5 csillagra
Oldal 1/6
LEICA ELMAR-M 24 mm f/3.8 ASPH. 1
The LEICA ELMAR-M 24mm f/3.8 ASPH. is an extremely compact lens, especially for such a wide angle, which also offers out-
standing imaging performance. Even with at full stop, it delivers uniformly excellent reproduction quality over the entire image
field, only deteriorating slightly towards the edges in the close-up range. This performance can only be improved slightly by stop-
ping down, which means that you can take photographs with at full stop without concerns, unless your compositional ideas call
for a greater depth of field that can only be achieved with smaller apertures. The vignetting characteristic of every optical system
is naturally more pronounced on a super wide angle lens than on normal and long focal length lenses. With the diaphragm com-
pletely open, it is a maximum - i.e. in the corners of the image - of around 1.9 stops for the 35mm format, or around 1.1 stops on
Leica M8 models with their slightly smaller format. Stopping down to 5.6 visibly reduces this light falloff at the image edges - to
1.4 and 0.8 stops respectively. Stopping down further does not bring about any notable reduction since essentially only the natu-
ral vignetting remains. The lens' maximum distortion is around 1% and therefore hardly perceptible.The retrofocus-like construc-
tion is made up of a total of eight lens elements and the use of an aspherical surface and glass types with anomalous color
dispersion (partial dispersion) make a crucial contribution towards restricting aberrations to an absolute minimum.
Summary: The LEICA ELMAR-M 24mm f/3.8 ASPH. not only offers optimum imaging performance but also - for its focal length -
compact dimensions and also provides all Leica M users with an affordable introduction to the world of super wide angle photo-
graphy.
Lens shape
ASPH.
LEICA ELMAR-M 24 mm f/3.8 ASPH. 2
Engineering drawing
Technical Data
Angle of view (diagonal, horizontal, vertical)
Optical design
Distance setting
Aperture
Bayonet
Filter mount/Lens hood
Dimension and weight
84° / 74° / 53°
Number of lenses/groups: 8 / 6
Focal length: 24.5 mm
Position of entrance pupil: 18.7 mm (related to the first lens surface in light direction)
Focusing range: 0.7 m to infinity
Scales: Combined meter/feet graduation
Smallest object field: 615 x 922 mm
Largest reproduction ratio: 1:25.6
Setting/Function: With click-stops, half values available, manual diaphragm
Lowest value: 16
Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
Non-rotating, female thread for filters E46, male thread for lens hood, screw-on type lens hood (included
in delivery)
Length: 40.6 / 56.6 mm (without / with lens hood)
Largest diamater: approx. 53 mm
Weight: approx. 260 g
LEICA ELMAR-M 24 mm f/3.8 ASPH. 3
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[%] Aperture Stop 5.6
MTF graphs
The MTF is indicated both at full aperture and at
f/5.6 at long taking distances (infinity). Shown
is the contrast in percentage for 5, 10, 20 and
40 lp/mm accross the height of the 35 mm film
format, for tangential (dotted line) and sagittal
(solid line) structures, in white light. The 5 and
10 lp/mm will give an indication regarding the
contrast ratio for large object structures.The
20 and 40 lp/mm records the resolution of finer
and finest object structures.
tangential structures
sagittal structures
_ _ _ _ _ _ _ _
Termékspecifikációk
| Márka: | Leica |
| Kategória: | lencse |
| Modell: | Elmar M 24 / 3,8 ASPH |
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