Best 3x Optical

Signature Guide - Spring Metal The Best

Green color headband binocular visor with three magnifying lens plates for hands-free viewing.
Interchangeable lens plates provide 3X, 4X, and 5X magnification.
Optical-grade acrylic prismatic lenses for improved focus and reduced eye strain.
Visor tension-adjustment knobs allow visor to tilt out of way when not needed.
Can be worn over prescription or safety eyeglasses.

Smart Capture feature automatically identifies the scene and adjusts camera settings.
Capture images to SD/SDHC memory cards (not included).

Blue color headband binocular visor with three magnifying lens plates for hands-free viewing.
Interchangeable lens plates provide 3X, 4X, and 5X magnification.
Optical-grade acrylic prismatic lenses for improved focus and reduced eye strain.
Visor tension-adjustment knobs allow visor to tilt out of way when not needed.
Can be worn over prescription or safety eyeglasses.

Compact yet heavy duty prism sight with 3x magnification and 30mm objective lens, Ideal for rapid mid range target acquisition out to 500 yards..
Features a glass prism optical system rather a refracting lens system like traditional scopes, allowing for better optical quality in a much smaller package..
Unlike red dots, the reticle is visible with or without illumination, for a clean sight picture regardless of lighting or environment..
Only 15 ounces in weight and 5 inches in length..
Product bundle includes Monstrum Lockdown Series RM5-AH Picatinny riser mount with quick release and adjustable height design allowing for optimal placement of your optic based on rifle setup or preferred cheek weld.

triple the power of any 1.25" telescope eyepiece with the universal barlow lens.
For owners of fast short focal length telescopes.
the image will be clearer than the average increase in magnification up to 15 times the image clarity.
3x Barlow triples the magnification of any 1.25” eyepiece.
Compatible with most 1.25 Inch diameter telescope eyepieces.
Includes both end caps to protect against dust and fingerprints.
This Barlow comes with a set screw to securely hold your eyepieces.
full unit increases magnification of eyepiece by 3x.

Premium Material Made - The rotatable arm and mirror frame are chrome-finish, which is rustless, anticorrosive and protect the mirror from damage. The....
Flat/3X Double Sided Makeup Mirror - Invisible concave 3x magnification optical design, 8x6 inches viewing could magnify each detail of your face. The....
Flexible Arm - Up to 12 inch extension, no extension when you fold the arm. Spin the arm to meet the best angle for different makeup needs. It is good....
Wide Application - Suit for bedroom, bathroom, vanity table, hotel and spas..
Mirrors are fragile goods, it is difficult to control in transit though we have packaged well. If there are any problems for the mirror when you....

【4 in 1 Professional Phone Lens Kit】The lenses have the optical structure like professional SLR lens,consist of B270 optical glass with HD nano multi-layer coating and aluminum alloy.Turn your mobile phone into DSLR Camera,enjoy your stunning photographing trip and brilliant high-quality image now..
【Nano Multi-Coated】The lenses adpot double sided HD nano multi-layer coating,which help to reduce reflection,glare,ghosting and improve saturation..
【110° Wide Angle Lens & Macro Lens】Wide Angle lens with 16mm focal length expands your camera's field-of-view, the shooting angle of view reach to 110°,giving the ability to capture more of your subject and background.With macro lens,you can shoot the small objects more clearly, it is ideal for close-ups, get detail-oriented with increased..
【3X Telephoto Lens & 238° Fisheye Lens】Telephont Lens gives you high-definition 3X zoom capabilities,enable your phone shoot closer,but no damage to picture quality,so you can capture more detail in both distant and close up subjects. 238° Fisheye Lens creates an especially dramatic and exaggerated "peep hole" effect,which takes you into the stunning and fantastic world..
【Easy Use & Wide Compatibility】With the included clip,the lens is applicable for ....