Hasselblad XCD 25mm f/2.5V Handleiding
Hasselblad
Lens
XCD 25mm f/2.5V
Bekijk gratis de handleiding van Hasselblad XCD 25mm f/2.5V (2 pagina’s), behorend tot de categorie Lens. Deze gids werd als nuttig beoordeeld door 14 mensen en kreeg gemiddeld 4.8 sterren uit 7.5 reviews. Heb je een vraag over Hasselblad XCD 25mm f/2.5V of wil je andere gebruikers van dit product iets vragen? Stel een vraag
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Specication subject to change without notice. www.hasselblad.com
1
DATASHEET
XCD 2,5/25V
LENS DESIGN
13 elements in 10 groups
4 aspherical elements
3 extra-low dispersion elements
FOCUS TYPE
Internal focusing
ENTRANCE PUPIL POSITION
94mm in front of image plane
The entrance pupil position is the correct
position of the axis of rotation when making
a panorama image by combining individual
images of a scene.
: Aspherical Lens elements
: ED Lens elements
GENERAL LENS DATA
Focal Length 25mm
Equivalent Focal Length (24x36) 20mm
Aperture Range f/2,5-f/32
Angle of View (diag/hor/vert) 95°/82°/66°
Length/Diameter 105/75mm
Length (from camera lens mount ange) 100mm
Weight (excl. caps and lens shade) 592g
Filter Diameter 72mm
CLOSE FOCUS RANGE DATA
Minimum distance object to image plane 0.25m
Maximum image scale 1:5.8
Corresponding area of coverage 26x19cm
Corresponding exposure reduction 0.1f-stops
COMPATIBILITY
• Hasselblad X System cameras & 907X cameras
The XCD 2,5/25V lens features 13 elements in 10 groups,
including four aspheric elements and three Extra-low
Dispertion (ED) elements. Equivalent to a full frame 20mm
focal length, this wide-angle lens delivers top-class optical
performance with a compact build and supports an image
resolution of over 100 megapixels. Equipped with an
upgraded leaf shutter, the XCD 2,5/25V can reach a shutter
speed up to 1/4000s and delivers ash synchronisation at all
speeds. The lens has both a focus ring and a lens control ring.
Changing between AF and MF is achieved by a convenient
push and pull of the focus ring. In MF mode, easily check the
focus distance and DOF readings. The control ring can be
customised for quick access to your prefered function.
Specication subject to change without notice. www.hasselblad.com
2
DATASHEET
XCD 2,5/25V
MTF
Modulation Transfer as a function of image
height at innity setting.
Sagittal slit orientation drawn with continuous
line and tangential with dashed. White light.
Spatial frequencies 10, 20 and 40 lp/mm.
MTF plot data includes diffraction.
Innity
MTF [%]
MTF [%]
Image height [mm] Image height [mm]
f/2,5 f/5,6
100
80
60
40
20
0
0 10 20
100
80
60
40
20
0
0 10 20
RELATIVE ILLUMINATION
Innity setting.
When images are imported to Phocus, light
fall-off is automatically removed.
Image height [mm]
Relative Illumination
1.0
0.2
0.4
0.6
0.8
0
0 10 20
DISTORTION
Innity setting.
When images are imported to Phocus,
distortion is automatically removed.
Image height [mm]
Distortion [%]
2
0
-2
-4
0 10 20
f/5,6
f/2,5
Product specificaties
| Merk: | Hasselblad |
| Categorie: | Lens |
| Model: | XCD 25mm f/2.5V |
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