Photography: Levenhuk 2x Barlow Lens with Camera Adapter achromatic fully multi-coated for astrophotography - Levenhuk, Inc.
Photography: VITE Binoculars 10x42 Waterproof/Fogproof/Shockproof Roof Prism Fully Multi-coated Lens with Carrying Case(Black) - VITE
Book: Choosing and Using a Refracting Telescope (The Patrick Moore Practical Astronomy Series) - Springer
Photography: Albinar 0.3X HD Ultra Fisheye Lens for Canon DC40, DC50, HV10, Optura 10, 20, VIXIA HF M30, M300, M31, M32, HF10, HF100, HF11, HF20, HF200, HF21, HG20, HG21, HR10, LEGRIA HF M31, M32, HF10, HF100, HF11, HF20, HF200, HF21, HG20, HG21, HR10 and iVIS HV10 Digital Video Camcorders - Albinar
Photography: Albinar 0.45x 52mm Wide Angle HD MC Fisheye Lens with Macro - Black - Albinar
Photography: GSO 1.25" 2.5x Apochromatic Barlow Lens # BL251 - GSO
Photography: Leitz / Plan L 100x/0.80 D ∞/0 Metallurgical Darkfield Microscope Objective Lens (567007) - Leitz
Photography: Zykkor 0.42x 37mm Titanium Super Wide Angle Fisheye Lens with Macro - Black -... - Zykkor
Home Improvement: Gydoxy(TM) 1.25" 3x Barlow Lens Fully Multi-Coated for Telescope Eyepieces Astronomy DC623 - Gydoxy
Single Detail Page Misc: 1.25" 31.7mm Barlow Lens for Telescope Eyepieces Astronomy Stargazing - Imported
Photography: Albinar 0.45x 37mm Wide Angle HD MC Fisheye Lens with Macro - Black - Albinar
Photography: Konica Minolta Achromatic Diopter Close-Up Macro Lens for Sony a7r, a7s, a7, a6000, a5100, a5000, a3000, NEX-7, 6, 5T, 5N, 5R and 3N Digital Mirrorless Cameras (Fits 49mm Threaded Lenses) - 47th Street Photo
Photography: Binoculars 10x42 Waterproof/Fogproof/Shockproof BaK4 Roof Prism 14mm Exif Relief with Neck Strap and Carrying Case(Black) - VITE
Home Improvement: UltimaFio(TM) 1.25" 2x Barlow Lens Fully Multi-Coated for Telescope Eyepieces Astronomy DC622 - UltimaFio
BISS: Seiwa Optical -153993 M. PlanAPO 5x (M26 thread) - Seiwa Optical Japan
Home Improvement: UltimaFio(TM) 1.25" 3x Barlow Lens Fully Multi-Coated for Telescope Eyepieces Astronomy DC623 - UltimaFio
Photography: Opteka Achromatic 10x Diopter Macro Lens for Nikon D4S, D4, D3X, D810, D800, D750, D610, D7200, D7100, D7000, D5500, D5300, D5200, D3300, D3200 Digital SLR Cameras (Fits 52mm and 67mm Threaded Lenses) - Opteka
Photography: Zykkor Magnetic Lens (silver) Fish Eye FishEye 0.2x Wide Angle 180 Degrees High Def for Flip UltraHD, Flip Video MinoHD, Flip Video U2120, Flip Video U1120, Flip Video F460, Samsung HMX-U10, Panasonic TA-1 (HM-TA1), Kodak Zx1, Zi8, PLAYSPORT, JVC PICSIO GC-WP10AUS, GC-FM2YUS, GC-FM2BUS, GC-FM1BUS, GC-FM2AUS, GC-FM1VUS, GC-FM1AUS, GC-FM1, Canon Powershot SD Series, SD4000, SD700, SD780 - Zykkor
Photography: Zykkor 0.42x 37mm Titanium Super Wide Angle Fisheye Lens with Macro - Silver - Made in Japan - Zykkor
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