Best Two Aperture

Sony - FE 16-35mm F2.8 GM Wide-Angle Zoom Lens SEL1635GM Black

Designed to achieve 50 Line pairs/mm resolving power.
Two XA (extreme aspherical) elements w/ high surface precision. Minimum focus distance - 0.28 m (0.92 ft). Maximum Magnification ratio (x)- 0.19.
Constant F2.8 max aperture maintains exposure and Depth of field. Hood Type : Petal shape, bayonet type.
Uncompromising G Master design for smooth bokeh and high resolution. Angle of View (35 mm): 107°–63°.
In-the-box: hood, lens front cap, lens rear cap, case, Mount: Sony E-mount.

UMC anti-reactive coatings, three Aspherical lens elements and two ED lens elements.
Constructed of high strength aluminum alloy housing.
Aperture range of F2.8-22 with 7 aperture blades , The integrated autofocus motor works in conjunction..
Compatible with full frame and APS-C cameras with an angle of view of 113.9 degrees on full frame cameras and 89.8 degrees on APS-C cameras.

The large aperture fish breeder tank net is placed in the middle of Fish Isolation Box with the small aperture net. The female fish that is big with baby should be placed in aquarium fish tank breeder with the large aperture net. When the female fish gives birth, the small fish can swim to the small-aperture mesh breeder box through the large-aperture mesh. In this case, the female fish will not be able to eat the cubs in the small aperture net..
There is a bubble circle on the upper end of the fish hatching isolation net. The bubble circles are linked together with small wooden sticks. The purpose is to make the isolation net buoyant and not sink into the water. If the small wooden sign falls off during transportation or installation of the product, you only need to manually link the small wooden sign with the foam ring..
When using fish breeder tanks net, it is necessary to put stones in the large-aperture isolation net and the small-aperture isolation net, so that the isolation net can be opened to the maximum and the fish have more room for movement. If the stone in the breeder tank is not enough to make the product extender to the max, you can find some heavy objects similar to stones instead and then put them in the breeder box net in order to ma....

The FE 14mm F1.8 GM delivers incredible G Master quality and performance with a new perspective from an ultra- wide-angle field of view and bright....
F1.8 max 9-blade circular aperture maximizes the beauty of this large-aperture prime-lens, contributing to impressive images in which the subject....
Clear advantages for moviemaking for all types of content creators with the ultra-wide 14mm angle of view, two XD (Extreme Dynamic) Linear Motors for....

Different apertures Two Apertures / Small Aperture / Big Aperture.
Auto calibration . SCI/SCE It supports both SCI and SCE test which is more consistent with result of visual method..
Many different kinds of test parameters Opacity, whiteness index, yellowness index and other 30 kinds of test parameters.
Provide 26 Kinds of Illuminants for Choice,Guarantee to pass the national metrology.
Good repeatability for stable measurement (Delta E*ab 0.08).

UMC anti-reactive coatings, three Aspherical lens elements and two ED lens elements.
Constructed of high strength aluminum alloy housing.
Aperture range of F2.8-22 with 7 aperture blades , The integrated autofocus motor works in conjunction with Sony cameras’ focusing systems for quick, accurate, and precise AF control. Manual focus override is also available for refining your focus position..
Compatible with full frame and APS-C cameras with an angle of view of 113.9 degrees on full frame cameras and 89.8 degrees on APS-C cameras.
Includes lens caps, lens case, and 1 year warranty.

Specialty Archery - PXL Hunter Peep Aperture- 1/4. The most advanced peep system in the archery industry, completely designed for ultimate accuracy..
CST – Center String Technology – PXL Capture Aperture located on center of bowstring – no L and R misses. OCT – Optical Centered Technology – Improved centration of lenses for ultimate accuracy. PLT – Protected Lens Technology – Lenses protected by plastic on 2 sides prevents cracking..
DSAT – Dual String Angle technology – has both 37 and 45-degree string angles on the same peep housing. TAP – Tool-less Aperture Technology – Knurled Tool-less PXL Capture Aperture – eliminates the need for an aperture wrench..
NOTE: PXL Hunter Peep Apertures, PXL Hunter Peep Clarifiers, and PXL Hunter Peep Verifiers fit into Specialty Archery PXL Hunter Peep ONLY. NOT compatible with other Specialty Archery peeps..
PXL Hunter Peep and component weights: PXL Hunter Peep – 30.5 grains. PXL Hunter Peep Capture Aperture – 7.5 grains. PXL Hunter Peep Clarifiers/Verifiers – 3.5 grains. PXL Hunter Peep Shade Cap – 3.0 grains..

50mm wide aperture Prime lens with ZEISS Planar design, Center to corner sharpness with outstanding resolution, Bright F14 maximum aperture with excellent low light performance,Lens Groups / Elements:9 / 12.
Sony E-mount.Filter Diameter (mm): 72 mm.ZEISS T coating delivers superior contrast and resolution, 11-blade aperture and aspheric elements for gorgeous bokeh, 11-blade circular aperture for gorgeous bokeh.
11-blade aperture and aspheric elements for smoothly defocused backgrounds, 12 Elements in 9 Groups with Advanced Aspheric and ED glass, Ring Drive SSM for fast, quiet and precise focusing.
Aperture ring with a selectable click ON/OFF switch, AF/MF switch for direct auto/manual focus control, Dust and moisture resistant for robust reliability. Focal Length- 50 mm. Minimum focus distance- 0.45 m (1.48 ft).

The GigaMIMO™ is a powerful, innovative, omnidirectional, ultra-efficient MIMO/dual antenna perfect for situations where aiming at a service....
The GigaMIMO™ elements are sealed into anti-UV high-quality ABS plastic for top performance independently of weather conditions. This set, made for....
The GigaMIMO™ contains two sets of independent antennas (one set with +45° polarization and the other with -45° polarization), perfect for your....
The GigaMIMO™ operating frequency range is 690-3800 MHz with a peak gain of (varies) dBi*, a horizontal aperture of 360° and a vertical aperture of....
Gain in dBi values are average increases obtained by comparing the standard/internal device antenna to a properly-installed GigaMIMO™ located....