Best Internal Focus Lenses

ZEISS Ikon Distagon T* ZM 1.4/35 Wide-Angle Camera Lens for Leica ZM-Mount Rangefinder Cameras, Black

  • VIRTUALLY DISTORTION-FREE OPTICS: Dramatic perspectives and a view from extraordinary image angles - ZEISS lenses open up new composition possibilities. Distortion would disrupt the composition because straight lines, whose image does not go through the image center, would be reproduced with a curved shape. This annoying effect is accordingly and largely compensated through elaborate optical designs at all focal lengths..
  • EXCELLENT IMAGE QUALITY: ZEISS lenses offer the highest possible standards in terms of performance, reliability and, of course, image quality. Quite simply, they are superior in every way. You can count on highly advanced flare control for crisp and brilliant images, and virtually zero geometric distortion, ensuring precise accuracy when reproducing shapes – especially useful when photographing products and architecture..
  • EXCELLENT RESOLUTION AND HIGH CONTRAST: Richly saturated and vivid colours are a must in the creation of lasting impressions. However, stray light within an optical system leads to a lightening of the image that is particularly noticeable in the shadows. This reduces image contrast, with the result that exposures lack contrast a....
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Cressi Panoramic Wide View Mask & Dry Snorkel Kit for Snorkeling, Scuba Diving Pano 4 & Supernova Dry Snorkel Set: Designed in Italy, All Black Blue

  • Wide Anatomical Silicone Rubber Split Style Designed Mask Strap, Double Feathered Edge Silicone Skirt, Strap and Skirt Combined for Excellent Seal on the Face.
  • Easy-to-Reach One-Hand Nose Pocket for Ear Equalization, 4-Lens Mask Designed, Panoramic View w/o Interruption, Tempered Glass Lenses.
  • Maximum Light and Feels as Open As-the-Ocean Itself, Ideal for Snorkeling and Scuba Diving, Medium Internal Volume, Quick-Adjust Buckles System.
  • Take Every Breath with Confidence & Focus On-the-Reef Below, Anti-Splash Top, Special Valve Seals Tube when Submerged, Dry Top Design.
  • Corrugated Smooth Bore Lower Tube, Excess Water Quickly Drain to Collection Reservoir, Easy Clear Purge Valve, Quick Release Snorkel Keeper.
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Fotodiox Pro Pronto Autofocus Adapter Mark II - Compatible with Leica M Mount Lens to Sony E-Mount Cameras, Upgraded Autofocus Adapter

  • Add autofocus to your Leica M-mount manual focus lenses.
  • Improve close focus ability of all supported lenses.
  • Further adapt to other lens mounts to increase your autofocus capability.
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Lightdow 85mm F1.8 Medium Telephoto Manual Focus Full Frame Portrait Lens for Nikon D7500 D7200 D5600 D5500 D5300 D5200 D5100 D3500 D3400 D3300 D3200 D850 D810 D800 D750 D610 D500 D60 D6 D5 D4 etc

  • Warning: This is a MANUAL Lens, NO Electronic Contacts, the camera will not detect the lens when mounted, that's why it shows not connecting properly, 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..
  • - 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..
  • - Compatible/Replacement for Nikon D850, D810, D800, D750, D700, D610, D300, D3100, D3200, D3300, D3400, D5100, D5200, D5300, D5500, D5600, D7000, D7100, D7200, D7500, D50, D60, D90, Df, D3, D3X etc..
  • - 8 pieces of circular aperture, smooth and large focus rings internal focusing(IF) hybrid aspherical lenses (H-ASP), ultra multi coating(UMC).
  • - Large Aperture with a pleasing bokeh quality to further enhance shallow depth of field images.
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Bushnell PowerView 10x50 Wide Angle Binocular

  • Beautiful design and durability built to last.
  • Wide-angle, Perma Focus binoculars with 10x magnification and 50-millimeter objective lenses.
  • Fixed-focus operation dials in focus at any distance automatically.
  • Fully coated optics for improved clarity and light transmission.
  • Ergonomic rubber housing for a secure grip and shock resistance.
  • Designed for sporting events and nature observation.
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Vortex Optics Viper HS-T 6-24x50 SFP Riflescope VMR-1 MOA , black

  • The Viper HS-T 6-24x50 is one of multiple configurations in the Viper HS-T (Hunting & Shooting Tactical) line. VMR-1 Reticle (MOA) is perfect for accurate holds at extended ranges . Featured length of the barrel is approximately around 15.5 inches.
  • Incorporating our premium, fully multi-coated, extra-low dispersion lenses brings excellent resolution and color fidelity. The XR coatings provide enhanced light gathering capability while Armortek coating protects the lenses..
  • The exposed target-style turrets are constructed for precise and repeatable finger-adjustable clicks. A CRS Zero Stop allows for reliable return to zero capability after dialing temporary elevation corrections..
  • A 4x zoom provides magnification versatility while the side focus parallax adjustment provides optimal image focus and parallax removal. The fast focus eyepiece allows the shooter to properly adjust the reticle to your eye..
  • The one-piece tube is o-ring sealed and argon purged to ensure waterproof and fogproof performance. The Viper HS-T is a versatile yet simple riflescope that is at home in a hunting, target shooting, or tactical application..
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Dial Adjustable Glasses Variable Focus Distance Vision Eyeglasses Zoom Glasses for Reading

  • Dynamic power optic lenses for nearsighted and myopic as well as farsightedness. These adjustable eye glasses are great for men & women of various ages and prescriptions..
  • Variable focuses for instant 20/20 vision & clarity. Flexible frames, comfortable nose pads with impact scratch resistant poly carbonate lenses..
  • 100% brand new and high-quality made.The updated latest model is clearer and more durable than the previous generation lens. You can better adjust the focus to suit your focus..
  • It helps to prevent eye strain. Customizable power adjust reading glasses also improve vision with Alvarez dual lens technology for near intermediate & far distances..
  • Multiple purposes: reading glasses, gaming glasses. Adjustable magnification & prescription with a click of a dial..
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Dial Adjustable Glasses Variable Focus Distance Vision Eyeglasses Zoom Glasses for Reading

  • Dynamic power optic lenses for nearsighted and myopic as well as farsightedness. These adjustable eye glasses are great for men & women of various ages and prescriptions..
  • Variable focuses for instant 20/20 vision & clarity. Flexible frames, comfortable nose pads with impact scratch resistant poly carbonate lenses..
  • 100% brand new and high-quality made.The updated latest model is clearer and more durable than the previous generation lens. You can better adjust the focus to suit your focus..
  • It helps to prevent eye strain. Customizable power adjust reading glasses also improve vision with Alvarez dual lens technology for near intermediate & far distances..
  • Multiple purposes: reading glasses, gaming glasses. Adjustable magnification & prescription with a click of a dial..
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Arducam M12 Lens Kit for Raspberry Pi HQ Camera (Type 1/2.3), 20 to 180 Degrees Telephoto, Wide Angle, Fisheye Lenses with M12 to CS-Mount Adapter, Locking Ring, Cleaning Cloth and More

  • What's special - Adapt the CS-Mount of the Raspberry Pi High Quality Camera to access compact and cost-effective M12 lenses, and 6 are included in this box - 20/50/70/90/140/180 degrees horizontal Field of View respectively on the 12MP IMX477..
  • Why it's better - Arducam selected from a bunch of lenses to present those six. Decent quality, FoV labeled. No more guessing and testing because we've already done the work for you. They just work..
  • How to use - Screw the M12 to CS-Mount adapter into the back focus adjustment ring on the HQ camera, and pick among the six lenses until you find the desired one. Include cleaning cloth to wipe out dust or fingerprints, and locking ring to fix the lens when in focus..
  • Applications - Drones where C/CS mount lenses are too heavy for flying, or other applications that require a compact size. Also optical testing where a bunch of lenses with different focal lengths are needed..
  • Note - Two lens holders are included with 18/20mm hole spacings in case you want to mount them on other 1/2.3" board cameras. Do NOT use it on the HQ camera board because they won't match. And this lens kit does not come with an IR filter..
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Neewer A-B Stop Follow Focus C2 with Gear Ring Belt for DSLR Cameras Such as Nikon,Canon,Sony DV/Camcorder/Film/Video Cameras,Fits 15mm Rod Mounts,Shoulder Supports

  • Completely gear-driven design for slip-free, accurate, and repeatable focus movement.
  • This Follow Focus Integrated with A/B Hard Stops which have easy begin/end setups for fast repeatable racking between two points, and make focusing lenses that have no hard stops (such as Canon EF lenses) much easier..
  • Mounts onto 15 mm Rod Support (60mm center to center difference)..
  • Gear drive can be mounted from both sides.
  • The white mark ring is made of magnet material. It can be detached or attached very easily and quickly on metal-made follow focus..
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