Best Objective

Microscope Lens,40X 185 Biological Microscope Achromatic Objectives Lens 160/0.17 5×5×5cm Eliminate Unwanted Reflections

✔【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-aperture waterproof monocular with 10x magnification and a 50mm objective lens.
Multi-coated BaK-4 glass optics deliver a saturated and contrast image.
large 50mm objective lens gathers much light and ensures great visibility even in twilight.
Waterproof shell is impervious to rain and snow.
nitrogen filling protects the optical elements from fogging.
Long eye relief is convenient for observing in regular glasses or sunglasses.
eyepiece and objective lens protective caps.

Wide-field waterproof monocular with 8x magnification and a 42mm objective lens.
Multi-coated BaK-4 glass optics deliver a saturated and contrast image.
42mm objective lens gathers much light and ensures great visibility even in twilight.
Waterproof shell is impervious to rain and snow.
nitrogen filling protects the optical elements from fogging.
Long eye relief is convenient for observing in regular glasses or sunglasses.
eyepiece and objective lens protective caps.

Rubberized flip-up rifle scope lens covers that conform tightly around your rifle scope tube, protecting your lenses from dust and abrasion.
Spring-loaded flip-up mechanism pops open effortlessly when needed and securely tightly when not in use.
Each set includes two Rubberized Flip-Up Lens Covers. This set include one eyepiece cover with the size 37-43mm/1.5-1.7in and one objective cover with the size 26-31mm/1.0-1.2in.
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.
Available in a full range of sizes to fit any rifle scope. Eyepiece Cover available in 37-43 mm(1.5-1.7 inch) or 43-49 mm(1.7-1.9 inch diameter). Objective Lens Cover available in 26-31 mm(1.0-1.2 inch), 31-37 mm(1.2-1.4 inch), 37-43 mm(1.5-1.7 inch), 43-49 mm(1.7-1.9 inch), 49-55 mm(1.9-2.1 inch), or 55-62 mm(2.2-2.4 inch) diameter.

【HIGH-QUALITY AND DURABLE】High-quality industrial microscope objective lens uses high-quality materials, durable, stable performance, and can be used for a long time..
【FEATURES】The auxiliary objective lens use 42mm/5.5in installation interface, working distance is 140mm/1.7in, can be directly installed..
【APPLICATION】The auxiliary objective lens is a practical accessory, easy to install, and customized single barrel electron microscope..
【CLEARER FIELD OF VIEW】0.5X microscope auxiliary objective lens can double the total magnification of the microscope and reduce the focaling length. It can effectively expand the observation field and facilitate the observation of the internal structure of small objects..
【NOTE】We strive to provide you with the highest quality product and the best customer experience. Your nice comment on our product page will be a great encouragement to improve our service. if you're not entirely satisfied, please just feel free to contact us at any time..

Powerful high-aperture astronomy binoculars that can replace an amateur-level refractor.
Powerful high-aperture BaK-4 glass objective lenses transmit a contrast, crisp, detailed picture.
5-element eyepieces smooth out the image and minimize optical and spherical distortions.
Comes with a strap, pouch, eyepiece and objective lens caps.

► ALUMINUM SHELL -- Aluminum Alloy shell is preciseness machined, stable and durable for long time use..
► 10X MAGNIFICATION -- This is a 10X achromatic objective lens for biological microscope..
► INCREASE CONTRAST -- It can eliminate unwanted reflections and increase contrast..
► MORE CLEAR IMAGE -- Offers high quality observation without additional chromatic aberration..
► 31.3MM OBJECTIVE LENS -- The Length of the objective lens is 31.3mm, easy to use..

FIELD OF VIEW: Magnification 2.5-10X with 40mm objective, field Of View: 100 yards of 32.5' @ 2.5x - 8.9' @10x, laser range up to 100 yards..
MULTI-COATED GREEN OBJECTIVE LENS, boast higher light transmittance for better clarity performance compared to blue objective lens..
RED AND GREEN ILLUMINATED RETICLE, 5 brightness levels for all environments..
A QUALITY COMPLET SET OF LASER SCOPE, Solid aluminum alloy construction, quick and secure attachment to all Picatinny or Weaver rails..
WATERPROOF, FOG PROOF PERFORMANCE, Nitrogen filled and O-ring sealed for waterproof, fog proof performance..