Mid-range telephoto, Telephoto – Sony a Lenses User Manual

Page 19

Mid-range telephoto

85mm F2.8 SAM SAL85F28

Photographers often choose a large-aperture 85mm lens for portraits for
two compelling reasons. First, the 85mm focal length makes it easy to fill
the frame with the subject from a comfortable distance, without getting
so close that unflattering distortion occurs. And second, a large maximum
aperture works with the medium-long focal length to create beautifully
defocused backgrounds, so that the subject seems to “pop” out of the
image. The SAL85F28 is just such a lens. But it’s not just limited to portraits. It’s
a great choice for any situation where you want a bit more magnification
than a “standard” focal length provides. And the fact that it is light and
compact means that it’s easy to take along as a second lens.

• Weight (approx): 175 g
• Dimensions (Dia. x L): 70 x 50 mm
• Max. magnification ratio: 0.2x

Compact, lightweight and eminently portable

Excellent corner-to-corner sharpness

Large maximum aperture plus circular aperture design for smooth defocusing

Responsive internal SAM (Smooth Autofocus Motor) autofocus drive

Distance from optical center of lens (mm)

Contrast

(%)

100

Spatial frequency

10 line pairs/mm
30 line pairs/mm

R: Radial values T: Tangential values

Max. aperture

F8 aperture

At 85 mm

Telephoto

135mm F2.8 [T4.5] STF SAL135F28

This unique lens has been specifically designed to deliver smooth
transitions between crisp in-focus areas and creamily defocused
background and foreground areas. It uses special apodization* optics
to produce images that seem to have an extra dimension, with high
resolution at the plane of focus, gradually melting away to beautifully
diffused out of focus rendition. With some lenses highlights in defocused
areas can be distracting, but with this unique Smooth Trans Focus design
they retain their natural shape in a way that doesn’t detract from the
defocused background or foreground, and there’s no ugly double-line
defocusing. The SAL135F28 promises a one-of-a-kind photographic
experience. A manual aperture ring is provided for direct, hands-on
defocusing control.

• 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.

Unique Smooth Trans Focus design featuring apodization optics

Sharp in-focus areas with extra-smooth background and

foreground defocusing

Smooth, natural highlight diffusion

Manual focus and manual aperture ring

100