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Venus Optics Laowa 105mm f/2 Smooth Trans Focus Lens for Sony A

BH #VE10520SA • MFR #VE10520SA
Venus Optics Laowa 105mm f/2 Smooth Trans Focus Lens for Sony A
Key Features
  • Sony A-Mount Lens/Full-Frame Format
  • Aperture Range: f/2 (T3.2) to f/22
  • One Apodization Element for Smooth Bokeh
  • Three Low Dispersion Elements
Designed to provide a wealth of control over out-of-focus quality and to enhance bokeh, the Laowa 105mm f/2 Smooth Trans Focus Lens from Venus Optics is a short telephoto prime designed for full-frame Sony A-mount cameras. The unique optical design incorporates an apodization (APD) element, as well as two separate diaphragms—8- and 14-blade—to provide separate adjustment over the bokeh as well as the exposure and depth of field. This APD element functions as a radially graduated neutral density filter, and as such limits the light transmission to a T-stop value of 3.2, while permitting the depth of field and selective focus qualities of a true f/2 design.
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Venus Optics Laowa 105mm f/2 Smooth Trans Foc... Overview

Designed to provide a wealth of control over out-of-focus quality and to enhance bokeh, the Laowa 105mm f/2 Smooth Trans Focus Lens from Venus Optics is a short telephoto prime designed for full-frame Sony A-mount cameras. The unique optical design incorporates an apodization (APD) element, as well as two separate diaphragms—8- and 14-blade—to provide separate adjustment over the bokeh as well as the exposure and depth of field. This APD element functions as a radially graduated neutral density filter, and as such limits the light transmission to a T-stop value of 3.2, while permitting the depth of field and selective focus qualities of a true f/2 design.

Alongside the unique attributes of the APD element, the lens also incorporates three low dispersion elements and one extra refractive index element to control chromatic aberrations and color fringing, as well as produce a great deal of overall clarity and sharpness. The lens is also characterized by its manual focus, manual aperture design, that provides a wealth of control over focus and exposure to benefit working with the APD element.

Short telephoto prime designed for full-frame Sony A-mount cameras, this lens can also be used on APS-C models where it provides a 157.5mm equivalent focal length.
Optical design incorporates an apodization element that helps to improve the quality of bokeh. This element, which resembles a radially graduated ND filter that tapers from clear in the center to more dense around the edges, produces more circular out-of-focus highlights for more pleasing selective focus and shallow depth of field effects.
To control the effect of the apodization element, two separate diaphragms are incorporated in the lens' design: a 14-blade diaphragm that works mainly in conjunction with the APD element to control bokeh, as well as a standard 8-blade diaphragm at the rear of the lens design to control the overall light transmission and affect depth of field.
Due to the incorporation of the APD element, the lens offers an effective light transmission value of T3.2, while the f/2 designation relates mainly toward the potential for selective focus and depth of field control.
Beyond the APD element, the lens also features three low dispersion elements and one extra refractive index element, which combine to limit chromatic aberrations throughout the aperture range and contribute to a high degree of sharpness and clarity.
A manual focus design permits fine-tuned control for focusing as closely as 3' away with a maximum magnification of 0.16x.
Two manual aperture rings enable you to adjust both the exposure-affecting diaphragm as well as the APD-affecting aperture.

Venus Optics Laowa 105mm f/2 Smooth Trans Foc... Specs

Focal Length
105mm
Maximum Aperture
f/2
Minimum Aperture
f/22
Lens Mount
Sony A
Lens Format Coverage
Full-Frame
Angle of View
23° 16'
Minimum Focus Distance
2.95' / 90 cm
Maximum Magnification
0.16x
Optical Design
11 Elements in 8 Groups
Diaphragm Blades
8
Focus Type
Manual Focus
Image Stabilization
No
Filter Size
67 mm (Front)
Dimensions (ø x L)
2.99 x 3.89" / 76 x 98.9 mm
Weight
1.64 lb / 745 g
Packaging Info
Package Weight
2.85 lb
Box Dimensions (LxWxH)
8.6 x 5.3 x 5"

Venus Optics Laowa 105mm f/2 Smooth Trans Foc... Reviews

See any errors on this page? Let us know

if this is an A mount will this work with an ...

if this is an A mount will this work with an A200?
Asked by: Anthony
Yes, the Laowa 105mm f/2 Smooth Trans Focus lens will work with the Sony A200. However, due to the A200's older autofocusing system, AF performance will likely be limited by the camera.
Answered by: Jeremy
Date published: 2022-07-03

question

I want to know if this lens has an AE chip built-into in order to get focus confirmation as well as the use of Auto/P/A/S/M shooting modes due to the transmission of lens data to the camera? Thanks
Asked by: SISMONDA F.
No - It can only be used in full manual mode. The camera has to be set to release without lens and manual control - Allan
Answered by: Allan V.
Date published: 2020-08-20

Would the electronic contacts on the mount of ...

Would the electronic contacts on the mount of this lens physically interfere with anything inside the Nikon F2 film-camera?
Asked by: Selva K
Venus Optics Laowa 105mm f/2 Smooth Trans Focus Lens for Nikon F electronics wouldn't interfere with the Nikon F2 film camera.
Answered by: Daniel
Date published: 2023-03-24

The 105mm is not an option on the K1. Does the SR ...

The 105mm is not an option on the K1. Does the SR still work with this lens?? What FL should I use in place of the 105mm??
Asked by: John
The Venus Optics Laowa 105mm f/2 Smooth Trans Focus Lens for Pentax K will work on your K1. You would just set the focal length so the body knows how much stabilization it needs to apply to the sensor.
Answered by: Kirk
Date published: 2021-11-15

Do the Venus Laowa lenses have hard-stops?

Do the Venus Laowa lenses have hard-stops?
Asked by: Willian
Yes, the aperture has hard stops.
Answered by: Rob
Date published: 2020-08-20

Will the T stop affect my depth of field? If I ...

Will the T stop affect my depth of field? If I set f2.0 but T8.0, will I still get the depth of field of f2.0?
Asked by: Aman
As you narrow down the T stop on the Venus Optics Laowa 105mm f/2 Smooth Trans Focus Lens for Canon EF the depth of field will also change. You cannot maintain the same depth of field while at the same time changing the T stop unfortunately.
Answered by: Daniel
Date published: 2022-07-25

I have a Pentax Full Frame Camera body. When I ...

I have a Pentax Full Frame Camera body. When I mount this lens to the body of the camera the camera asks me to input the Focal Length. There are nine Focal Length Options, but none of them are 105. Does anyone have an answer as to which FL i should use?
Asked by: John
The Venus Optics Laowa 105mm f/2 Smooth Trans Focus Lens for Pentax K will work on your K1. You would just set the focal length so the body knows how much stabilization it needs to apply to the sensor.
Answered by: Kirk
Date published: 2021-11-15

question

Does the lens need an adapter on Sony A7Rii?
Asked by: Bin
No adapter is needed, it is made for E mount.
Answered by: Dana G.
Date published: 2020-08-20
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