ReviewsFixed Aperture

SIHAIAN Trampoline Cover- 10-15 Ft Trampoline Protective Cover, Easy to Install Trampoline Weather Cover, Waterproof Trampoline Covers, Anti-UV, Snow, Dust-proof Trampoline Cover (12FT Blue)

  • ...etaining blanket (Tips: Please Confirm the size before buying so as not to bring you unnecessary trouble).
  • PREVENT WATER ACCUMULATION：After a rain, If there is stagnant water on the trampoline cover, is a hassle. So we added two hydrophobic holes to the cover, to solve this problem. The integrated hydrophobic aperture will allow rainwater to drain easily, and fallen leaves or sundries will not block the hydrophobic aperture. On sunny days, can maintains air circulation inside the trampoline cover, stay dry and comfortable at all times.
  • 8 FIXED: Add 4x strong drawstring, 4x fixed buckle, keep the cover firmly on the trampoline. Bring Installation and removal convenience while ensuring stable. No need to bend or squat, use a fixed rope or hook to tie or hook one by one, Just fix the cover buckles on the trampoline leg and tighten the 4 drawstrings to easily fix it. It can be done easily and conveniently by one person.
  • CHOOSE GREAT FABRIC: Made of environmentally PE waterproof material. The surface has a special waterproof layer, prevent rain, dust, snow, bird droppings... Effectively prevent these natural factors, from wreaking havoc on your trampoline. Can extending the service life of your trampoline. Solved the issue of needing to clean up when ....
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7artisans 35mm F1.2 II Large Aperture APS-C Format Camera Prime Lens for Olympus Panasonic Micro Four Thirds M4/3 Mount Camera

  • APS-C Format: The 35mm F1.2 lens is APS-C format, equivalent to a 52mm focal length, which is perfect for you shoot mainly indoors in tight place without distortion.
  • Large Aperture: The 35mm F1.2 II fixed focus lens is built with F1.2 large aperture, it allows you easily shoot in dark environment.
  • 6 elements in 5 groups, multi-layer coating process is used to effectively reduce glare and purple fringing even in a backlight environment, 10 blades stepless aperture manual focus allows easily control your creation images.
  • Compact and Portable: All-metal body, weighs only 218g, multilayer coating, you can easily take it as a travel lens without adds any bulks.
  • Widely compatible with M4/3 Mount Olympus G1 G2 G3 G5 G6 G7 G85 GF1 GF2 GF3 GF5 GF6 GF7 GF8 GF9 GX1 GX7 GX8 GM1 GM5 GM10 GH1 GH2 GH3 GH4 GH5 GH6 Panasonic EPM1 EPM2 E-PL1 E-PL2 E-PL3 E-PL5 E-PL6 E-PL7 E-PL8 E-PL9 E-P1 E-P2 E-P3 E-P5 E-P6 E-M1 E-M5 E-M10 PEN-F Cameras.
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Canon RF50mm F 1.2L USM Lens, Black

  • Fixed focal length, Lens with high image quality and bright f/1.2 aperture for the EOS R system.
  • Minimum focusing distance of 1.31 ft. /0.40M. Filter Size: 77mm.
  • A control ring for direct setting changes.
  • Three aspherical elements and one UD Element.
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Canon AE-1 35mm Film SLR Tutorial Walkthrough: A Complete Guide to Operating and Understanding the Canon AE-1 (Camera Tutorial Walkthroughs)

  • 35mm SLR (Single-Lens-Reflex) camera with electronically controlled AE (Automatic Exposure) and focal plane shutter..
  • Canon FD series interchangeable lenses with full aperture metering and AE coupling. Canon FL series with stopped-down metering..
  • Standard lenses for the Canon AE are Canon FD 55mm f/1.2 S.S.C, Canon FD 50mm f/1.4 S.S.C, Canon FD 50mm f/1.8 S.C..
  • Canon Breech-Lock mount, Canon FD, FL and R lenses can be used. The viewfinder is fixed eye-level pentaprism with a field of view that is 93.5% vertical and 96% horizontal coverage of the actual picture.
  • Viewfinder information includes aperture scale with meter needle and stopped-down metering which also serves as a battery charge level check mark..
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JINTU 35mm f/2.0 MF Telephoto Manual Focus Full Frame Portrait Lens Compatible for Nikon D780 D850 D90 D3100 D3200 D3300 D3400 D850 D5100 D5200 D5300 D5500 D7500 D7100 D7200 SLR Camera

  • Jintu 35mm f/2.0 large aperture fixed focus, large luminous flux, better blur effect of foreground or background. Compatible with full-frame and APS-C format cameras..
  • “Lens Not Attached” : MANUAL LENS need you to enable “M mode ” or “Release without lens” in the setting of camera..
  • [Wide compatible] — Compatible with Nikon Digital SLR Cameras D5600 D780 D850 DF D90 D3100 D3200 D3300 D3400 D5000 D5100 D5200 D5300 D5500 D7500 D7000 D7100 D7200 D700 D750 D800 D100 D200 D300 D500 D600 D70s D80 etc.
  • [High quality material] —- The aluminum alloy structure is light and strong in design, and the rotating tripod mount can provide balance and stability when installed on a tripod or monopod..
  • Aperture range from f/2.0-f/22 with 12 aperture blades Ultra Multi-Coated (UMC) glass, aluminum alloy shell, sturdy and durable.
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Danger Close

  • Capture the memories with this easy to use reusable 35mm film camera from Kodak.
  • This camera runs on a single AAA battery (not included) and features an optical viewfinder, f/10 aperture and 1/120 second shutter speed..
  • This easy to use camera will get all your photography needs done the easy way -- and keep it a surprise until developed!.
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VILTROX NF-M43X 0.71x Nikon F Lens to Micro Four Thirds Camera Mount Adapter, Enlarge Aperture Speed Booster,Manual Infinity Focus

  • Build-in 4 groups,5pcs optical glasses,manually adjust aperture .(F2-F8 adjusting scale ).Allowing you to get in the larger area of light and achieve the depth of field that you prefer..
  • Reduced imaging focal length, the actual focal length after using mount adapter for 0.71 times the focal length..
  • PLEASE NOTE :While this adapter allows users to mount a Nikon F lens on their Micro Four Thirds camera, automatic functions such as autofocus and electronic aperture control will not be supported..
  • Ring at the bottom with 1/4 screws, which can easy installed on the tripod or other fixed bracket..
  • it comes with 60-Days return-back guarantee when you received the item but you do not satisfied with our item..
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Canon RF100mm F2.8 L Macro is USM

  • World’s First* Medium Telephoto Macro Lens with a Maximum Magnification of 1.4x..
  • High Image Quality and Bright, fixed f/2.8 Aperture Telephoto Macro RF Lens.
  • Optical Image Stabilizer with up to 5 Stops of Shake Correction**..
  • Hybrid IS Compensates for Angular and Shift Camera Shake during Macro Shooting..
  • Spherical Aberration (SA) Control Ring Allows Adjustments to Shape and Character of Foreground/Background Bokeh.
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ADC Ophthalmoscope, Pocket Size, Xenon Lamp, 2.5V, Hard Case, Diagnostix 5112N,Black

  • 5 aperture selections (small spot, large spot, semicircle, fixed and red-free filter). 19 viewing lenses from -20 to +20 diopters for better resolution. Illuminated magnified lens dial. Rubber brow rest.
  • Ophthalmoscope in hard case measures 7 1/4" x 4 1/2" x 1 1/2.
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Telephoto Lens for Cell Phone - 25X Monocular HD High Power Cell Phone Camera Binoculars, Adjustable Telephoto Lens with Cell Phone Clip, Gifts for Boys Girls #

  • ...pgrade, optical glass coating + BK4-prism combination, good light transmission. Universal removable screw fixing special clip design, suitable for most smart phones, simple-and convenient operation..
  • Compact and exquisite: The telephoto lens of this mobile phone has a lens aperture of 25mm and a clip aperture of 18mm. The material of the product is ABS, while the glass material of the lens is multi-layer coated optical lens, which is commonly used in most smartphones..
  • Usage: 1: Align-the thread on the back of the lens with the metal part of the special clip, and tighten the screw to stabilize the lens. 2: Separate the slide clip with the lens, and separate the black gasket from the back of the lens to the usable width of the phone, so that the clip can be firmly fixed on the phone. 3: After the lens is fixed on the mobile phone, you need to manually adjust the focus of the lens and the mobile phone to effectively ensure the imaging quality..
  • Use a variety of occasions: magnification, you can see your favorite singer-at close range in the concert, can shoots-beautiful moon in the sky, can shoots beautiful scenery in the-mou....
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Fujifilm Instax Mini 9 Instant Camera, Smokey White

  • Picture size: 62 x 46 millimeter and shutter speed 1 per 60 seconds (fixed), the flash always fire.
  • New macro lens adapter for close ups 35 centimeters to 50 centimeters.
  • The camera signals the recommended aperture setting with a flashing LED.
  • This helps capture the perfect photo every time.
  • Effective flash range: 0.6 meter 2.7 meter.
  • High key mode takes brighter pictures with a soft look perfect for portraits.
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