Venus Optics Laowa 25mm f/2.8 60mm f/2.8 Manual Focus Macro Lenses Kit Full-Frame for Canon EF Nikon F Pentax K
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Venus Optics Laowa 60mm f/2.8 Ultra Macro and... Overview
Pairing two unique focal lengths, both with macro capabilities, the Pentax K-mount Venus Optics Laowa 25mm f/2.8 and 60mm f/2.8 Macro Lenses Kit bundles the wide-angle Laowa 25mm f/2.8 2.5-5X Ultra Macro lens with the short portrait-length Laowa 60mm f/2.8 2X Ultra Macro lens.
Venus Optics Laowa 60mm f/2.8 2X Ultra-Macro Lens for Pentax K-Mount
From macro to infinity, the Pentax K-mount Laowa 60mm f/2.8 2X Ultra-Macro Lens from Venus Optics is a prime portrait-length lens offering the unique ability to photograph close-up subjects 2.4'' away at a 2:1 magnification ratio as well as distant subjects with infinity focus and a 0.1x magnification. The versatility offered by this manual focus, manual aperture selection lens benefits working with close-up subjects and then quickly switching to full-length subjects at distance without the need of extension tubes or other adapters. The lens is optimized for use on APS-C format sensors, where it will provide a 90mm equivalent focal length, and it can also be used on full-frame format DSLRs , however some vignetting may occur when focused at infinity.
The lens's construction incorporates nine elements in seven groups, and two of the lens groups move in order to control focusing and to avoid barrel distortions. This design also helps to maintain high image clarity, sharpness, and color accuracy. A rounded 14-blade diaphragm contributes to a smooth out-of-focus quality that is especially beneficial when working with near subjects and selective focus techniques.
Prime 60mm Pentax K-mount lens is compatible with APS-C sensors, where it will provide a 90mm equivalent focal length. This can also be used on full-frame, but vignetting will occur when focused at infinity.
The lens is capable of focusing on subjects as near as 2.4'' away with a 2:1 magnification ratio for greater-than-life size macro shooting without the need of extension tubes or adapters. Additionally, the lens is also able to achieve infinity focus with a 1:10 magnification ratio for general shooting applications. When working with full-frame sensors, the image may be slightly vignetted when working at infinity focus.
Manual focus and manual aperture setting design does not maintain any electronic communication with the camera.
Nine-element-in-seven-group construction produces a high degree of clarity throughout the focusing range as well as accurate color rendering.
Two lens groups move during focusing in order to control barrel distortion.
Rounded 14-blade diaphragm produces a smooth out-of-focus quality when using selective focus or shallow depth of field techniques.
Built-in lens hood helps to deflect stray light from causing lens flare or ghosting.
All-metal lens barrel offers ensured durability and rigidity.
In addition to the lens itself, a protective filter pouch and a 62mm UV filter are also included.
Venus Optics Laowa 25mm f/2.8 2.5-5X Ultra Macro Lens for Pentax K
Dedicated to extreme close-up imaging, the Pentax K-mount Laowa 25mm f/2.8 2.5-5X Ultra Macro from Venus Optics is a specialized macro lens for photographing subjects at magnifications greater than life-size. Operating within a 2.5:1 to 5:1 range, this lens has a minimum focus distance of just 6.8'' at the 5:1 magnification along with a comfortable 1.6'' working distance. This range is benefitted by the wide-angle focal length, too, in order to achieve greater depth of field compared to long focal length macro lenses. Complementing the close-up capabilities, the optical design incorporates one extra-low dispersion element to reduce color fringing and chromatic aberrations for a high degree of clarity. Additionally, distinguishing itself from other macro lenses, this 25mm f/2.8 is characterized by its notably sleek and lightweight design for easier handling and more room to work with artificial lighting.
Especially slim and lightweight physical design is easier to use handheld and offers more room for illuminating close-up subjects.
Eight-blade diaphragm contributes to a pleasing out of focus quality when using shallow depth of field.
One extra-low dispersion element greatly reduces chromatic aberrations and color fringing for improved clarity and color accuracy.
Manual focus operation for precise control over focusing distance when working with close-up subjects.
Wide-angle design benefits the high magnification design by providing greater depth of field compared to telephoto or long lens designs.
When at 5:1 magnification, the lens has a minimum focusing distance of 6.8'' along with a working distance of 1.6'', which affords sufficient room for illuminating your subject. At the 2.5:1 position, a minimum focusing distance of 9.2'' is possible along with a working distance of 1.8''.
Specifically developed for macro photography, this lens is designed for use within a 2.5:1 to 5:1 magnification range for producing greater-than-life-size imagery. This lens does not offer infinity focus.
Prime 25mm f/2.8 is designed for full-frame Pentax K-mount DSLR cameras, however can also be used with APS-C models where it provides a 37.5mm equivalent focal length.
Venus Optics Laowa 60mm F/2.8 2X Ultra-Macro Lens For Pentax K-Mount Specs
|
Focal Length |
60mm |
|
Maximum Aperture |
f/2.8 |
|
Minimum Aperture |
f/22 |
|
Lens Mount |
Pentax K |
|
Lens Format Coverage |
APS-C |
|
Angle of View |
40° |
|
Minimum Focus Distance |
2.36'' / 6 cm |
|
Maximum Magnification |
2x |
|
Macro Reproduction Ratio |
2:1 |
|
Optical Design |
9 Elements in 7 Groups |
|
Diaphragm Blades |
14, Rounded |
|
Focus Type |
Manual Focus |
|
Image Stabilization |
No |
|
Filter Size |
62 mm (Front) |
|
Dimensions (ø x L) |
3.74 x 3.03'' / 9.5 x 7.7 cm |
|
Weight |
1.76 lb / 800 g |
Packaging Info
|
Package Weight |
1.495 lb |
|
Box Dimensions (LxWxH) |
6.1 x 3.55 x 3.4'' |
Venus Optics Laowa 25mm F/2.8 2.5-5X Ultra Macro Lens For Pentax K Specs
|
Focal Length |
25mm |
|
Maximum Aperture |
f/2.8 |
|
Minimum Aperture |
f/16 |
|
Lens Mount |
Pentax K |
|
Lens Format Coverage |
Full-Frame |
|
Minimum Focus Distance |
6.81'' / 17.3 cm |
|
Maximum Magnification |
5x |
|
Macro Reproduction Ratio |
5:1 |
|
Optical Design |
8 Elements in 6 Groups |
|
Diaphragm Blades |
8 |
|
Focus Type |
Manual Focus |
|
Image Stabilization |
No |
|
Filter Size |
None |
|
Dimensions (ø x L) |
2.56 x 3.23'' / 65 x 82 mm |
|
Weight |
14.11 oz / 400 g |
Packaging Info
|
Package Weight |
1.7 lb |
|
Box Dimensions (LxWxH) |
7 x 5 x 4.5'' |