A mode, 1/400 sec., F4.5, ISO 200, 5300K color temperature; Photo: Chukyo Ozawa
Telephoto
135mm F2.8 [T4.5] STF SAL135F28
P mode, 1/200 sec., F4.5, ISO 100, Auto white balance; Photo: Kentaro Fukuda
Macro
DT 30mm F2.8 Macro SAM SAL30M28
At 135 mm
100
| 80 |
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(%) | 60 |
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Distance from optical center of lens (mm)
Spatial frequency | Max. aperture |
| F8 aperture | |||||
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10 line pairs/mm |
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30 line pairs/mm |
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| R: Radial values T: Tangential values |
Unique Smooth Trans Focus design featuring apodization optics Sharp
Smooth, natural highlight diffusion Manual focus and manual aperture ring
This unique lens has been specifically designed to deliver smooth transitions between crisp
•Weight (approx): 730 g
•Dimensions (Dia. x L): 80 x 99 mm
•Max. magnification ratio: 0.25x
* “Apodization” is the technical term for changing the shape of a mathematical function; in this case the optical transmission characteristics of the lens.
• For details of STF technology. See pg.17.
At 30 mm
| 100 |
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| 80 |
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(%) | 60 |
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Contrast |
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40 |
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| 20 |
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| 0 | 3 | 6 | 9 | 12 |
Distance from optical center of lens (mm)
Spatial frequency | Max. aperture |
| F8 aperture | |||||
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| R |
| T |
| R |
| T |
10 line pairs/mm |
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30 line pairs/mm |
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R: Radial values T: Tangential values
2cm working distance lets you get really close
Precision optics deliver excellent sharpness and contrast Compact, lightweight, portable design
Responsive internal SAM (Smooth Autofocus Motor) autofocus drive 35mm equivalent focal length: 45mm
If you shoot with an
•Weight (approx): 150 g
•Dimensions (Dia. x L): 70 x 45 mm
•Max. magnification ratio: 1.0x
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