Reviews Long Focal Length Lens

Sony SEL35F18 35mm f/1.8 Prime Fixed Lens

  • Features a bright maximum aperture of F2.8, compact dimensions and outstanding optical performance in a versatile 35mm focal length.
  • Minimum Focus Distance : 1.15 ft (0.35 m), Maximum Magnification ratio : 0.12x.
  • Carl Zeiss E-mount full-frame lens for Alpha a7 Series full frame camera bodies.Lens groups / elements-5/7.
  • Dust and moisture resistant design. Filter diameter- 49 mm. Angle of view- 44º (APS-C)63º (35 mm Full Frame). 35 mm equivalent focal length (APS-C)"....
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Sony 24-70mm f/4 Vario-Tessar T FE OSS Interchangeable Full Frame Zoom Lens

  • High performance E mount lens with excellent contrast.
  • Minimum Focus Distance : 1.48 (Wide) 3.12 ft (Tele), Maximum Magnification ratio : 0.11x, Focal Length : 18 105 mm.
  • Versatile 27 158mm (35mm equiv.) zoom range. Angle of view (APS C): 76° 15°. Number of aperture blades are 7.
  • Constant F4 maximum aperture throughout the zoom range. Filter diameter (mm):72 mm.
  • It is recommended that you use a lens hood to reduce flare and ensure maximum image quality.Focal Length (mm) 11/16 4 1/8 35 mm equivalent focal....
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DPLUS Fishing Binoculars,Professional Binocular Glasses for Fishing, Bird Watching, Sports, Concerts, Theater, Opera, TV, Opera Glasses for Adults Kids (10X)

  • ...lasses is designed for letting your hands free when you are cheering for a great opera & theater shows or sports games like football. Perfect for all stadium sports viewing, opera, concerts & theater shows from the back rows, bird watching, seeing fishing float, even watching TV at home. Hands free adjustable focal length..
  • ✅[HD OPTICAL LENS MAGNIFICATION] Optical glass lens, high light transmittance, clear imaging, eliminate glare. 3-6 times zoom, help fishing with the best angle of view, see objects floating in the distance.Myopia 0-700 ° can be used without wearing myopia glasses..
  • ✅[INTIMATE DETAIL OF MATERIALS] High-definition optical glass lens, ABS lightweight material for the frame body, easy to carry. Can wear for a long time. The frame is hung in the ear to add a soft rubber sleeve, protect the ear, comfortable to wear..
  • ✅ [FISHING BINOCULARS] Portable fishing telescope, focal Length adjustment, rear lens switching, yellowfilter mode and white lens mode for daylight or night fishing. Suitable for watching the float of various models..
  • ✅[SPECIAL FOR FISHING & WIDE APPLICATIONS] Easy to focus on high-definition binoculars, day and night, free to switch, suitable for hiking, hunting, climbing, bird watching, watching wildlife and scenery,....
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Opteka 650-2600mm f/8 High Definition Ultra Telephoto Zoom Lens for Nikon D3000 D3100 D3200 D3300 D3400 D3500

  • ADVANCED OPTICS: Featuring an optimized design, this lens uses a series of 6 optical glass elements (one SD super-low dispersion) in 5 groups to reduce chromatic and spherical aberrations throughout the aperture range. A high definition anti-reflective coating suppresses lens flare and ghosting for increased contrast and color fidelity..
  • SUPER ZOOM: 650-1300mm or 1300-2600mm with the 2x converter, this lens is not only a superb long range choice, but also performs well in a variety of scenes from sports and surveillance to lunar shots..
  • SOLID CONSTRUCTION: Full metal body and rear mount allow this lens to withstand wear and tear much better than plastic lenses while commanding a rugged, solid feel when using..
  • MANUAL FOCUSING: This lens has preset f-stops that correspond with the focal length at which you are shooting. An index for distance and diaphragm scale is inscribed on the lens barrel to coordinate focal length and aperture..
  • COMPATIBILITY: For Nikon D3X, D2Xs, D2X, D1X, D1, D5, D4S, D3S, D3, D2Hs, D2H, D1H, D850, D810, D800, D700, D750, Df, D610, D600, D500, D300, D200, D100, D7500, D7200, D7100, D7000, D90, D80, D70s, D70, D5600, D5500, D5300, D5200, D5100, D5000, D60, D40X, D50, D3500, D3400, D3300, D3200, D3100, D3000, D40.
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Double Convex Lens, 50mm Focal Length, 1.5' (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs

  • DOUBLE CONVEX || Highly polished, double convex lens.
  • SPHERICAL || Lens measures 1.5" (38mm) in diameter.
  • 50MM FOCAL LENGTH || Converging lens with a 50mm focal length.
  • OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges.
  • GREAT FOR PHYSICS CLASSROOMS || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction.
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Sigma 50mm F1.4 Art DG HSM Lens for Nikon

  • 75mm equivalent focal length on APS-C cameras, 80mm equivalent focal length on Canon APS-C cameras.
  • Ring-type ultrasonic-type AF motor with full-time manual focusing.
  • 77mm filters. 77mm filters. 0.4m/15.7" minimum focus. Please use a USB dock for calibrating the focus.
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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.
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Lens Mount Adapter EF-EOS M2 Auto-Focus 0.71x Speed-Booster Control Ring for Canon EF Lens to Canon EOS-M (EF-M Mount) Mirrorless Cameras M M2 M3 M5 M6 M10 M50 M100

  • Compatibility: EF-EOS M2 lens converter allow Canon EF mount series lenses to work with Canon EF-M mirrorless cameras M M2 M3 M5 M6 M10 M50 M100.
  • 0.71x Focal Reducer : Focal length is multiplied by 0.71 based on the original ( equivalent focal length = focal length x 0.71 ), which helps enlarge 1 level aperture.
  • Strong Functions: auto focusing function, increasing the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme.
  • Wonderful Performance: use PIN gold needle to transmit signal, greatly enhancing its transmission performance.
  • optical glasses built in 4 groups / 4 glasses.
  • enjoy EXIF signal transmission, AF(auto-focus) and adjustable aperture, etc..
  • Equipped with USB interface, convenient for software upgrade.
  • achieve perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.
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Tegg 10 PCS Mini 650nm 6mm 5mW Red Laser Dot Diode Module Copper Head 3.3V

  • Made of high quality material.Durable, long service life. Small size. Light weight..
  • Low power consumption.Simple driving circuit.Convenient modulation.Resistance to mechanical shock and vibration..
  • The laser head consists of a luminescent tube core, a condenser lens and a copper adjustable sleeve. The three parts have been assembled, the focal length of the lens has been adjusted, and the lens has been glued together with strong glue. The user can connect the 3.3V DC power supply to work..
  • Be widely used for laser toys, Level instrument, Ground instrument, Long distance laser listener remote light control, Long distance laser wireless communication..
  • Working voltage: 3.3V. Wave length: 650nm. Output power: 5mW. Shape of the laser light: Dot. Outer diameter: 6mm /0.24Inches. Package: 10 PCS..
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