LARGE APERTURE: Get a bright, bold viewing experience at a fraction of the cost of other optical designs..
INNOVATIVE COLLAPSIBLE DESIGN: Unique strut design allows for optical tube to collapse for ease of portability while keeping collimation..
BUILT-IN WIFI: Control your telescope using a smartphone or tablet with Sky-Watcher’s proprietary built-in wifi signal..
ALL METAL GEARING: Using all-metal gearing on a pair of DC servo motors, the SynScan Dobsonian combines the precise automated tracking of a computerized GoTo telescope with the bright large-aperture viewing of a Dobsonian..
42,000 OBJECT DATABASE: SynScan hand controller with 42,000+ object database will keep even the most experienced astronomer busy for countless observing nights..
COMES COMPLETE: All accessories such as, 2-inch Crayford-style focuser with 1 1/4-inch adapter, two super wide-angle eyepieces (25mm and 10mm), and 9x50 straight-through finder scope are included with purchase..
STURDY AND LIGHTWEIGHT DESIGN: When fully assembled, the Dobsonian weighs only 57 pounds fully assembled (24 pound tube, 33 pound base).
Canon EF-S 17-55mm f/2.8 IS USM Lens for Canon DSLR Cameras Renewed
This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic....
17-55mm wide-angle zoom lens with f/2.8 maximum aperture for Canon DSLR cameras.
AD and aspherical elements deliver impressive image quality through entire zoom range, Closest focusing distance : 1.15 feet.
Image Stabilizer lens groups shift to compensate for image shake even in dim lighting.
Large circular aperture produces shallow depth of field.
WHAT'S IN THE BOX - Competition 15-55x52 Scope, Screw In Lens Covers, Cleaning Fob/ Cleaning Cloth, Multi-Tool, Stickers, Owners Manual, Sunshade.
COMPETITION SCOPES - The exceptional resolving power of the Competition’s ED glass, combined with lens coatings and uncompromising construction techniques means that all of the Competition’s magnification range produces outstanding clarity.
GREAT OPTICAL QUALITY - A remarkable 92% light transmission.
Just 27.8 ounces in weight - 24% lighter than our 12-42 x 56 Benchrest, and over 20% lighter than former 12-42 x 56 NXS scopes.
FCR-1/CTR-2 RETICLE - subtends properly at 40x. These non-illuminated, second focal plane reticles were specifically created to maximize the remarkable potential and superb optical performance of Competition family of scopes.
HIGH PERFORMANCE SCOPE - The Competition includes ZeroStop and Hi-Speed adjustments as standard equipment. For the serious competitor, this is one serious scope.
Portraits in Natural Light, Taking Portraits Inside, and Outdoor Portraits
- 8 pieces of circular aperture, smooth and large focus rings internal focusing(IF) hybrid aspherical lenses (H-ASP), ultra multi coating(UMC).
- FULL MANUAL FOCUS OPERATION: require complete manual focus operation on dslr camera to align with lens body, NOT suitable for SLR beginners, recommended for photographers with excellent experience in equipment..
Warm Tips: This is a MANUAL FOCUS LENS, NO Electronic Contacts, your camera will not detect the lens when mounted, that's why it shows "NO LENS ATTACHED", please switch to MF MODE in order to use this lens correctly. Tips to use our Manual Lens: 1) Set the mode dial to Manual (M). 2) Set the Release w/o Lens option in the camera menu to Enable. 3) Set the Shutter lock option in the camera menu to Off: no lens..
- Large Aperture with a pleasing bokeh quality to further enhance shallow depth of field images.
Xiaomi Mi 360° Home Security Camera 2K Mi Smart IP Camera 2K 360 Angle Video CCTV WiFi Night Vision Wireless Webcam Surveillance Camera Baby Monitor White
2K ultra-clear HD*, fully upgraded image quality: The Mi 360° Home Security Camera 2K uses ultra-clear HD technology to capture more detailed images.....
F1.4 large aperture for clear picture even under low-light conditions: The F1.4 large aperture lens lets significantly more light enter, capturing....
Upgraded 6P lens for a higher-quality display: The fully upgraded lens effectively reduces light refraction for clearer, more detailed images..
Enhanced infrared night vision for clear images even in low-light: The 940-nm infrared light with no visible red glow leaves you and your family to....
The AI human detection effectively filters false alarms: With a combination of deep-learning applications, as well as algorithm and network....
Sony - FE 50mm F1.8 Standard Lens (SEL50F18F), Black
Large F1.8 maximum aperture enables beautiful defocusing effects, 7-blade circular aperture creates beautiful defocused bokeh.
Compact, lightweight design ideal for full-frame E-mount cameras, Aspherical element controls spherical aberration and coma.
Double-gauss configuration suppresses field curvature & distortion, Metal mount adds solid durability as well as a sophisticated feel, Fast DC motor focus actuator system drives all lens groups.
75mm (35mm equivalent) focal length with APS-C sensor. Angle of View (APS-C) : 32 degree.
In-the-box: Hood (ALC-SH146), Lens front cap (ALC-F49S), Lens rear cap (ALC-R1EM).
Canon EF 85mm f1.2L II USM Lens for Canon DSLR Cameras - Fixed (Renewed)
The L-series is Canon's flagship professional lens range representing one of the best in precision-designed EF optics.
A virtually circular aperture diaphragm gives out of focus regions a softer, more uniform feel. Sharp foreground objects stand out against a smooth blurred background.
Spectra coatings ensure accurate colour balance and enhance contrast and also reduce flare and ghosting.
A large maximum aperture of f/1.2 allows the use of fast shutter speeds when shooting in low light.
A ring-type ultrasonic motor drives autofocus extremely quickly and in near silence.
The Personality Disorders Through the Lens of Attachment Theory and the Neurobiologic Development of the Self A Clinical Integration
PROFESSIONAL OPTICAL LENS-The macro lens is made of 5 pcs quality glass lens instead of a cheap resinous lens. Each lens has 3-5 layers of coating to....
LARGE APERTURE DESIGN-The macro lens cone's diameter is up to 1.57in/4cm, lens's exit pupil diameter is up to 0.91in/2.3cm. The large aperture offers....
EASY TO USE-The 10X macro lens DOES NOT need an APP or specific phone case. It has soft silicone feet clip design, so easy to install and use. The....
COMPATIBLE WITH ALL PHONES & Pad-The longest distance from the clip’s top to the lens’s center is up to 1.38in/3.5cm, made the mini microscope....
PACKAGE AND WARRANTY-package list: 1 macro lens+ 1 clip+ 1 manual+ 1 cleaning cloth. (pls DO NOT clean the lens with Alcohol, it may damage the....
