Reviews Adjustable Objective Lens

Twod Airsoft Scope 3-9X40mm Red/Green Dot Sight Rangefinder Crosshair Scopes Gun Sights Lens Cap

3-9x40 Scope: Magnification from 3x to 9x,40mm objective lens made of fully multi-coated layers ensure optimum light transmission and always clear....
Bright Aiming Field of view: 14"-25"@100yards, 2-3" eye distance. Red and green light-emitting ranging crosshair with 5-Level brightness adjustable,....
Easy Configuration: The refilescope incorporates adjustable elevation and windage dials with audible clicks and each click moves 1/4 MOA, with a quick....
Structure: Multi-layer coated objective lens, 25mm nitrogen-filled lens barrel, hard anodized, low glare matt, aviation-grade aluminum,these....
Package includes: 1 x 3-9x40mm Airsoft Scope, 2 x lens protection cap and 1 x lens cleaning cloth.Twod provides lifetime quality and maintenance....

High precision tactical rifle scope with 6-24x magnification, a 50mm 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.
Dial controlled reticle illumination in both red and green with multiple brightness intensities, for better reticle visibility.
Package also includes set of high profile picatinny scope rings, a detachable honeycomb filter sunshade, a set of spring loaded flip-up lens covers, a....

[Clear Images] Double the magnification of original objectives, a very practical objective lens accessories..
[Powerful] The objective lens can significantly increase working distance up to 11.21inch (287mm). It is a great replacement for your old or broken one..
0.5X Magnification] 0.5X stereo microscope assisted objective lens, effectively enlarged the field of view..
[1-7/8inch (48mm) Mounting Thread] This lens is designed with a 1-7/8inch (48mm) mounting thread. It is widely used for monocular digital / video microscope..
[Convenient] The microscope objective lens have compact size, easy to attach on objective, just screw it on, convenient to use..

...This monocular waterproof is with built-in lens dust cover and o-ring sealed optics could prevent lens from dust/moisture/debris,ensures the living waterproof function,fit for the most weather and environment(note:it can not be used in a heavy rain for a long time or soaked in the water).
【Comfortable Convenient】Adjustable eye cups can be easily and rapidly twisted up and down for optimal viewing with or without glasses. Rubber armor with stripes increases the friction,keeps it from slipping out from your hand,There also has a tripod connector hole at the bottom of monocular,our suggest you use bigger adjustable metal tripod,the image will not shake and work better..

[High-quality material] This objective lens is made of high-quality material and is durable and durable. Customers can use it at ease..
[4x color eraser] Aluminum alloy shell is preciseness machined, stable and durable for long time use. This is a 4x achromatic objective for biological microscopes..
[Without increasing the chromatic aberration] You can enhance the contrast by eliminating unnecessary reflections. Provides high quality observation without increasing chromatic aberration and makes the image sharper..
[Objective lens length: 30.5 mm] The length of the objective lens is 30.5 mm and easy to use..

Ideal rifle-scope when lighting conditions are less than ideal, combining advanced optic technology.
Fast-focus eye bell, large objective lens, and multi-coated optics deliver clear, high-contrast downrange views.
3 to 12X magnification, water, fog and shock-proof, adjustable for wind-age, elevation and rheostat.
13-Inch tube length and one-Inch tube diameter, 50-Millimeter objective lens.
2.7-Inch eye relief, 0.25-Inch click value and 21.3-Ounce weight, limited lifetime warranty.

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..