Sony FE 90mm f/2.8 Macro G OSS
Get up
close and personal with the 1:1 magnification ratio of the full-frame
compatible FE 90mm f/2.8 Macro G OSS Lensfor Sony's E-Mount mirrorless cameras. Optimized for
macro shooting, this medium telephoto lens utilizes an aspherical element along
with extra-low dispersion and super extra-low dispersion glass in order to
create sharp imagery with minimal aberration. Also, it has a Nano AR Coating
that suppresses reflections and allows for efficient light transmission for
clear photographs.
Its maximum aperture of f/2.8 is
effective when shooting in low light and allows for shallow depth-of-field
focus. An internal focus system in which only the middle optical groups move
when focusing provides fast autofocus action and a short minimum focus distance
of 11". Also, the lens does not extend when focusing and the front end
does not rotate. The Direct Drive Super Sonic Wave AF motor employs
piezoelectric elements oscillating at ultrasonic frequencies to drive the focus
lens with accuracy and near-silence. The focus ring slides back and forth to
select manual or auto focus and with a focus hold button and focus limiter
switch, the lens offers precise control of where you place focus.
An optical image stabilization system
uses gyro sensors to detect camera movement and quiet linear motors to shift
the stabilization lens for blur control that is very helpful when shooting
macro and/or in low light. Nine circular aperture blades create a unique
diaphragm design that is almost perfectly circular throughout its aperture
range and thus helps to create pleasing out-of-focus highlights. Finally, a
handsome and sturdy build with a dust and moisture resistant design contributes
to the overall quality and durability of this fine optic.
Full-Frame
E-Mount Telephoto Macro Lens
A 90mm prime telephoto lens
with 1:1 macro capability, it provides an f/2.8 maximum aperture for low light
effectiveness and shallow depth of field control. Compatible with full-frame
E-Mount cameras, it can also be used on APS-C E-Mount cameras with an angle of
view equivalent to a 135mm lens in the 35mm/full-frame format.
Internal
Focusing
Only the middle groups of the
optical system move to achieve focus, so the overall length of the lens does
not change. Other important benefits include fast autofocus and a short minimum
focusing distance. Also, the filter thread at the front of the lens does not
rotate, which is convenient if you're using a polarizing filter.
Focus
Hold Button
Once you've adjusted focus to
where you want it, pressing this button on the lens barrel will keep the lens
locked to that focusing distance. The preview function can also be assigned to
this button through the camera's custom settings.
Focus
Range Limiter
This function allows you to
set a limit on the focusing range which can save you time during AF operation
as the lens will not 'hunt' through the entire focusing range. On this macro
lens, three ranges are supported: Full, infinity to 19.7" and 11" to
19.7".
Sliding
Focus Ring
The focus ring slides back
and forth to select manual or auto focus.
Direct
Drive Super Sonic Wave AF Motor
Quiet, precise DDSSM focus
drive employs piezoelectric elements oscillating at ultrasonic frequencies to
drive the focus lens groups. In this case two floating focus groups are driven
by independent DDSSM systems for precision positioning of the relatively heavy
lenses required for macro photography. The system is remarkably quiet, making
it ideal for animal and insect photography, as well as for video recording. It
also improves the precision of "focus wobble" employed to achieve
optimum focus when shooting movies.
Lens-Based
Optical Image Stabilization
Gyro sensors built into the
lens detect even the slightest movement, and the stabilization lens is
precisely shifted to counteract any image blur that might occur. The use of
precision, quiet linear motors and technology inherited from high-end Sony
professional camcorders results in exceptionally quiet, effective image
stabilization that contributes to high-quality movies as well as stills.
Aspherical
Lens Elements
Aspherical lens design
dramatically reduces spherical aberration while also reducing lens size and
weight. Specially shaped aspherical elements near the diaphragm restore
alignment of light rays at the image plane, maintaining high sharpness and
contrast even at maximum aperture and can also be used at other points in the
optical path to reduce distortion.
ED and
Super ED Glass
Extra-low Dispersion and
Super Extra-low Dispersion glass elements reduce chromatic aberration for sharp,
color-accurate images.
Nano AR
Coating
Effectively suppress
reflections that can cause flare and ghosting with Sony's original Nano AR
Coating technology. This nano-structure allows accurate light transmission,
contributing to high-quality images, even more so than lenses with coatings
that use an irregular nano-structure. The reflection suppression characteristic
of the Nano AR Coating is superior to
conventional anti-reflective coatings, providing a notable improvement in
clarity, contrast, and overall image quality.
Circular
Aperture
When changing your aperture
to defocus the background, the light sources appear blurred. This 'bokeh'
effect of the blurred background can be enhanced with circular aperture blades
used in this lens. Its unique design keeps the aperture almost perfectly
circular from its wide-open setting to when it is closed by 2 stops. Smoother,
more natural defocusing can be obtained as a result.
Dust and
Moisture Resistant Design
A solid and handsome design
is complemented with dust and moisture resistant sealing enabling this lens to
be used in the field as well as in-studio.
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