Carson CloseUp 6x18mm Close-Focus Monocular (CF-618)

$106

Digital Macro +10 Achromatic Close-Up Screw Mount Lens (58mm)

$39.99

10x High Definition 2 Element Close-Up for Sony FDR-AX700 (Macro) Lens (62mm)

$69.95

ProMaster Step Down Ring - 52mm-49mm, (Model 4977)

$6.99

Optics Nc Sony DCR-SR47 10x High Definition 2 Element Close-Up (Macro) Lens (37mm w/St...

$49.95

Celestron 3X - 1.25” – X-Cel LX Barlow Lens

$16.99

Nikon D5300 10x High Definition 2 Element Close-Up (Macro) Lens (52mm)

$59

Canon EOS M50 10x High Definition 2 Element Close-Up (Macro) Lens (77mm)

$39.5

AmScope 4X-100X Four Achromatic Objective Lens Set

$12.09

Vortex Optics Crossfire HD 12x50 Binoculars

$32.89

1.25 inches 3X Barlow Lens, Fully-Multi Coated achromatic Lens, Fully Metal Telescope Accessories for Astronomical Photography

$12.99

10x High Definition 2 Element Close-Up (Macro) Lens Compatible with Leica V-LUX 3

$59.95

Celestron Omni 1.25" 2X Barlow Lens, Multi, Model Number: 93326

$19.19

Celestron 93436 Luminous 2-Inch 2.5X Barlow Lens (Silver)

$89.99

Opteka Achromatic 10x Diopter Close-Up Macro Lens for Sony E-Mount a7r, a7s, a7, a6300, a6000, a5100, a5000, a3000, NEX-7, 6, 5T, 5N, 5R Digital Cameras (Fits 40.5mm, 49mm and 58mm Threaded Lenses)

$79.5

CELGF CELESTRON Ultima Edge - 24mm Flat Field Eyepiece - 1.25"

$199.99

10x High Definition 2 Element Close-Up (Macro) Lens (for Pentax K-70) (62mm)

$39.99

Tele Vue 1.25" 3x Barlow Lens

$49.99

EISCO 6pc Optical Lens Set, 2" (50mm) Diameter - 3 Double Convex Lens & 3 Double Concave Lens - 200mm, 300mm, 500mm Focal Lengths - Optically True Glass - Ground, Beveled Edges

$11.99

FA 12mm Machine Vision 1/1.8" Fixed Focus Lens Industrial Camera C-Mount Lens

$29.99

United Scientific LSTA38 Acrylic Demonstration Lens Set, 6 Pieces, 38mm Diameter

$5.49

10x High Grade 2 Element Close-Up (Macro) Lens Compatible with Leica D-LUX 7

$49.95

Astromania 1.25" 4-Elements 5X Barlow Lens Fully Multi-Coated Optics

$17.99

CELGF CELESTRON Ultima Edge - 15mm Flat Field Eyepiece - 1.25"

$8.99

CARCLO OPTICS 10507 LUXEON Rebel 10 mm Narrow Beam Triple Optic - 5 item(s)

$6.95

Vortex Optics Crossfire HD 10x50 Binoculars

$46

Acxico 3Pcs/Set Universal 0.965inch/24.5mm Telescope Eyepiece Set H20mm H12.5mm SR4mm for Astronomy Photography Accessory Kits

$55

1.25" 5X Barlow Lens Fully-Multi Coated Achromatic Lens, Fully Metal Astronomical Telescope Accessory with M42 Thread

$17.99

EISCO Optical Glass Lens, 3" (75mm) - 200mm Focal Length - Ground, Beveled Edges - Use as Top Spinning Base

$15.49

AmScope ZM03 0.3X Barlow Lens For ZM-Series Stereo Microscope Heads, 48mm Diameter Mount

$43.99

HAYEAR Stereo Microscope Auxilialy Objective Lens SZX Barlow Lens 48mm (0.5X WD165)

$18.49

10x High Definition 2 Element Close-Up (Macro) Lens Compatible with Leica Q (Typ 116) & Leica Q2

$39.95

1.25 inches 3X Barlow Lens Fully Black Multi Coated with M42x0.75mm Thread for Standard Telescope Eyepiece Astronomy

$6.99

KASHSURG 90D Double Aspheric Lens

$12.99

10x High Definition 2 Element Close-Up (Macro) Lens for Panasonic LUMIX GH5 (46mm)

$69.95

Night Owl Optics 42mm Night Vision Monocular

$349

High-Power 1.25 Inch 2X 4-Element Barlow Lens

$149

AmScope SM03 0.3X Super Widefield Barlow Lens For SM Series Stereo Microscopes (48mm)

$8.17

Peterson Manufacturing (108-15A Amber Lens

$2.53

VISIONHMD Bigeyes H1 3D Video Glasses with HDMI Input,Personal Movies Cinema,Video Goggles,Priviate 3D IMAX Movie Cinema, 160 * 52 * 63mm

$618

ORILAO Loupes 2.5X 3.5X Magnification Binocular Magnifier Optical Glass Lens (3.5X, Black)

$399

EISCO Double Convex Lens, 300mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms

$20

3x Barlow Lens, 1.25 inch 3x Barlow lens with M42x0.75 Thread Interface for 1.25 Inch Astronomical Telescope Eyepieces

$54.95

Bell & Howell Slide Projector Zoom Lens FILMOVARA Lumina II 3.5-4.5 INCH F/3.5

$115.99

QFkris 2 Pack 6inch Crystal Optical Glass Triangular Prism Clear Triple Prism for Photography Effects Physics Teaching Light Spectrum Optics Kits,Clear

$46.46

AmScope 4X Plan Achromatic Objective Lens with Knurled Ring

$27.99

KOGJAERS Prism Lens Vortex Prism 67mmVortex Distortion Effect Camera Prism Special Effect Filter (67mm)

$49

Meade Instruments 07273 #126 1.25-Inch 2x Short-Focus Barlow Lens

$68.99

ORILAO Loupes 2.5X 3.5X Magnification Binocular Magnifier Optical Glass Lens (2.5X, Black)

$53.99

Celestron T-Adapter/Barlow Lens Universal – 1.25”

$16.99

EISCO Double Convex Lens, 200mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms

$6.99

Nikon COOLPIX P900/P950 10x High Definition 2 Element Close-Up (Macro) Lens (67mm)

$79.5

Songzi Optics (2.5X,3X,3.5X Optional) Black Frame Binocular Dental Loupes Surgical Loupes with High Brightness Headlight (Working Distance :(360 - 460 mm) R, Magnification:2.5X)

$49.89

Lens, 0.5X C-Mount 1/2 CTV Adapter Objective Lens 0.5X Auxiliary Objective Lens for SZM Video Digital Camera Trinocular Stereo Microscope

$14.89

Vortex Optics Crossfire HD 10x42 Binoculars

$18.99

STEALTH CAM Shockproof No-Slip 3x20mm HQ Objective Lens High-Resolution 9X Infrared Filter Low Light Night Hunting Digital Monocular

$157.85

STEALTH CAM Shockproof No-Slip 3x20mm HQ Objective Lens High-Resolution 9X Infrared Filter Low Light Night Hunting Digital Monocular

$939.58

Gosky 0.965Inch Telescope Accessory Kit for 0.965 Telescope - with Four Eyepieces, one Diagonal, a 3X Barlow Lens

$134

Minolta MAXXUM 5000i [35-70mm]

$289.99

EISCO Double Convex Lens, 50mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms

$25.99