Best Adjustable Objective Lens

Nikon Prostaff 5 Proscope 82mm Angled Body with 20-60x Zoom, Black

82mm Objective Lens-An ideal balance of size and brightness..
Multicoated Optics-Provides a bright, high contrast image with true color rendition and the zoom is adjustable from 20 to 60 times..
Ergonomic, Lightweight Porro Prism DesignInternal Surface Texturing-Minimizes reflective light loss inside scope..
Waterproof/Fogproof-Nitrogen-purged and O-ring sealed..
Built-in Sliding Sunshade-Eliminates glare in bright conditions, keeps dust and rain off objective lens in rainy or dusty conditions..

Total magnification: 50X - 125X - 312.5X - 500X - 787.5X.
Head: Trinocular, 45 degrees inclined 360 degrees rotatable, interpupillary adjustable, diopter rings on both ocular tubes.
Eyepieces: 10X (a pair of regular, and one with reticles, one with crosshair, and one with grids).
Nosepieces: Quadruple, objective center adjustable.
Objectives: DIN strain free achromatic - 4X/0.10.

✔【4X Magnification】- DM-WJ001 Mode Biological microscope Achromatic Objectives Lens, offering high quality observation without additional chromatic aberration, make image more clear..
✔【Conjugate Distance 185 】- The 185 conjugate distance is the distance between the object plane and the image plane of the objective lens in the microscope system. Working distance (W.D) 35.6mm..
✔【Standard RMS Thread】- Standard RMS thread, 20mm mounting size, please confirm the size of your microscope thread before purchase..
✔【Objective Lens Length 30.5mm】- The Length of the objective lens is 30.5mm, easy to use. It can eliminate unwanted reflections and increase contrast..
✔【Excellent Material】- The outer casing material of the objective lens is made of aluminum alloy and is durable. Customers can use it at ease..

The tactical rifle scope can provide high-definition aiming at 6-24 times magnification, suitable for close to mid range shooting. Objective Diameter:....
Upgrade Precision Multi-coated Lens：The CVLIFE 6-24X50 scope is a second focal plane rifle scope, it uses cutting edge glass and lens coatings....
Illuminated Type of the Riflescope: 5 Intensity (Red) and 5 Intensity (Green) It can be changed quickly and easily according to the brightness needs....
AO adjustment: The adjustable objective (AO) lens can be moved by the parallax dial at the end of the scope. This adjustment allows for elimination of....
Professional after-sales service：CVLIFE offers perfect & responsive customers service to keep you from any loss. With nothing to worry about, order....

✔【40X Magnification】- DM-WJ003 Mode Biological microscope Achromatic Objectives Lens, offering high quality observation without additional chromatic aberration, make image more clear..
✔【Conjugate Distance 185 】- The 185 conjugate distance is the distance between the object plane and the image plane of the objective lens in the microscope system. Working distance (W.D) 0.53mm..
✔【Standard RMS Thread】- Standard RMS thread, 20mm mounting size, please confirm the size of your microscope thread before purchase..
✔【Objective Lens Length 37.8mm】- The Length of the objective lens is 37.8mm, easy to use. It can eliminate unwanted reflections and increase contrast..
✔【Excellent Material】- The outer casing material of the objective lens is made of aluminum alloy and is durable. Customers can use it at ease..

【HIGH-POWERED LARGE EYEPIECE BINOCULARS】 This binoculars has 12x magnification, 25mm objective lens and wide field of view, 273ft/1000yds, letting....
【ADJUSTABLE EYE CUPS FIT EYEGLASS WEARERS OR NOT】The binocs can be pull down the rubber eyepieces and more fit the glasses wearer, getting close....
【FMC BROADBAND COATING TECHNOLOGY】The lightweight cruise binoculars is cover with BAK4 prism texture. The objective lens use optical FMC....
【PORTABLE, COMPACT AND SMALL BINOCULARS DESIGN】 One hand can be mastered when you use the birding binoculars for opera,bird watching camping,....
【DURABLE AND LIFE WATERPROOF, COMFORTABLE TOUCH】 The binoculars are made of ABS plastic and it also come with a cruise binocular strap, you can....

High precision tactical rifle scope with 3-9x magnification, a 40mm objective lens, and an eye relief of 4-4.5 inches.
Functionally designed first focal plane rangefinder reticle, with easy-to-read ranging information that remains constant regardless of magnification,....
Equipped with an adjustable objective lens - or AO - that allows for sharper focus of the target image, elimination of parallax, and range estimation.
Touch-button controlled reticle illumination in both red and green with multiple brightness intensities, for better reticle visibility at night or in....
Package also includes set of medium profile picatinny scope rings, a detachable honeycomb filter sunshade, a set of bikini-style see-through lens....

PLEASE NOTE: For optimum fit, carefully measure the OUTSIDE DIAMETER of both your rifle scope?s eyepiece and objective bell. Please note that this measurement is different than the diameter of your objective lens..
HIGH QUALITY MATERIAL: high quality material.The Dustproof Cover is made of high quality material Rubber,that will be durable and lightweight to carry..
FEATURES:Can protect ocular or objective lens from damaging or fracturing.Efficient to prevent dirt or dust to enter, and keep your lens clean when not use..
If you have any questions, please contact us, we will solve it for you within 24 hours, please rest assured to buy!.