ReviewsAperture Field Monitor

Canon EF 85mm f1.2L II USM Lens for Canon DSLR Cameras - Fixed

Ring-type UltraSonic motor (USM), Focal length : 85mm, Closest focusing distance : 3.2 feet.
EF mount, medium telephoto lens, High-speed AF and circular aperture create shallow depth-of-field.
111mm focal length for APS-H sensors, 136mm for APS-C sensors, Lens not zoomable.

...er kit, IR remote, wrist strap, memory card reader, memory card case, mini tripod, lens cap keeper, lens pen, dust brush, air blower, 3"x5" lens tissues (50), empty bottle, standard microfiber cloths (2), large microfiber cloth..
DESIGN - The Sigma 16mm 1.4 DC DN Contemporary is a high performance prime with a large aperture of F1.4 designed for APS-C Mirrorless cameras. The Contemporary line is part of Sigma Global Vision and is the perfect blend of image quality and compact size. The large aperture is great for lowlight and for creating depth of field and its small size makes it highly portable..
OPTICAL - The optical design makes use of several low dispersion and aspherical glass elements to control color fringing and various aberrations to provide high sharpness and clarity throughout the aperture range. Individual elements also feature Sigma's Super Multi-Layer Coating to suppress flare and ghosting for greater contrast and color fidelity when working in strong lighting conditions..
LOW LIGHT - Fast f/1.4 maximum aperture is well-suited for working in low-light conditions and also provides greater control over the focus position when using shallow depth of field techniques..
COMPATIBILITY - All Sony mirrorless APS-C digital cameras including a6600, ....

Ultra-wide angle fast aperture lens,Focal Length : 12 mm.
Maximum f/2.0 aperture, great for low-light shooting, Minimum focusing distance : 7.9 inches.
24mm equivalent field of view great for street shots or landscapes.
Premium metallic construction throughout, Snap focus ring with distance scale for manual focusing.
Special all metal lens hood and cap optionally available.

135mm W/ F1.8 Max aperture maintains exposure and depth of field.
G master design for extraordinary sharpness and breathtaking bokeh.
Xa, super ED and ED elements achieve edge-to-edge high resolution.
11-Blade circular aperture contributes to gorgeous bokeh.
Four XD (extreme dynamic) linear motors for fast, quiet, and precise focus | In-the-box: hood lens front cap lens rear cap Lens case.

Orion Mini Giant 9x63 binoculars offer an ideal combination of aperture and moderate magnification for amazing views of celestial delicacies.
Light-grabbing binoculars with large 63mm aperture objective lenses excels at both astronomical and daytime viewing.
Binocular lenses and BAK-4 prisms are fully multi-coated with anti-reflection coatings for exceptional light transmission and bright images.
Extra-long 26mm eye relief lets eyeglass wearers take in the whole field of view in comfort without removing their corrective lenses.
Includes soft case to store and transport the binoculars, a deluxe wide neck strap and lens caps.

Powerful Optics for Beginners - Aperture is king. Ours telescope's 80 mm aperture and 400mm focal length is perfect for beginners who are interested in astronomy, it provides you with clean, crisp images of wildlife, the moon, and planets. You will see more details of the moon and find more joy immersing yourself in such beautiful scenery..
Stable Telescope Tripod - A telescope is only as good as its stability, and a flimsy tripod can ruin every stargazing night you have. The tripod that comes with the telescope achieves best viewing experience by employing a double-hinged mounting plate which vibrates for much less period of time than the more common single-hinged ones..
Grab and Go Telescope - The best telescope is the one you use most, so we paid more attention to its portability and overall simplicity of use. Thus this portable telescopes for adults is great for field work, and especially for family travel. And it’s a great Christmas gift for your kids or families..
Red Dot Finder Scope - Our red dot finder scope is great for new astronomers, it's much easier to quickly point and shoot at anything that you can see wit....

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.

F1.8 large aperture,virtual background, which makes photography with more fun..
Support auto focus and manual focus mode, full-frame and APS-C format cameras, 5 groups 6 slices Lens structure.
Supports M/AV/TV/P and other camera shooting modes,and can be displayed the aperture data in the EXIF Informatio.
Maximum magnification and field of view:0.15×160×240mm (when located to 0.45 meter).