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Free Shipping Condition: New Location: China Description: Close-up filters can decrease Depth of Field, use a smaller aperture to photograph the subject. Close-up filter, close-up lens or macro filter ... moreis a simple secondary lens used to enable macro photography without requiring a specialised primary lens. They work identically to reading glasses, allowing any primary lens to focus more closely. While some single-element close-up lenses produce images with severe aberrations, there are also high-quality close-up lenses composed as achromatic doublets which are capable of producing.
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Free Shipping Condition: New Location: China Features: ●Compatible with mainstream auto-guiding cameras; 1.25in and M42 mount interface designed for compatible with SV305 Pro and for Orion ZWO QHY ... moreand so on auto-guiding cameras(Some camera models require additional accessories to assist in focusing) ●Sharp image; Ultra-wideband fully multilayer-coated lens; doublet glass and the 30mm achromatic optics prevent irritating reflections can bring you bright and clear images ●45mm back focus distance; Allows easy and precise focus adjustments and f4 aperture optics provides a very wide field of view which will help to quickly find the target when performing astronomical observations ●Nylon-tipped thumbscrews; Comes with the mounting rings with plastic-tipped screws as not to scratch the scope tube and it can be moved to any position.
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Free Shipping Condition: New Location: China Description: Close-up filters can decrease Depth of Field, use a smaller aperture to photograph the subject. Close-up filter, close-up lens or macro filter ... moreis a simple secondary lens used to enable macro photography without requiring a specialised primary lens. They work identically to reading glasses, allowing any primary lens to focus more closely. While some single-element close-up lenses produce images with severe aberrations, there are also high-quality close-up lenses composed as achromatic doublets which are capable of producing.
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Free Shipping Condition: New Location: China Description: Close-up filters can decrease Depth of Field, use a smaller aperture to photograph the subject. Close-up filter, close-up lens or macro filter ... moreis a simple secondary lens used to enable macro photography without requiring a specialised primary lens. They work identically to reading glasses, allowing any primary lens to focus more closely. While some single-element close-up lenses produce images with severe aberrations, there are also high-quality close-up lenses composed as achromatic doublets which are capable of producing.
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$2.99 Shipping Condition: New Location: China Focal Length 500mm. Focal length tolerance: ±0.1%. Finish: 60/40. Center thickness tolerance: ±0.2mm. Coated with FMC Blue Film.
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$79.95 Shipping Condition: Open box Location: Canada For visual observing work on most of the popular celestial objects, this scope will never disappoint you! Sky-Watcher Evostar 120 ED-APO Refractor - OPEN ... moreBOX. 120 mm ED-Apochromatic Refractor with Schott BK-7 and FPL-53 ED glass.
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Free Shipping Condition: New Location: China If you're just starting out, SV165 Mini Guide Scope is easy-to-use and performs well. Model SV106 50mm SV106 60mm SV165. about svbony. The focal length ... moreof the scope is 120mm. Compact 4.4"mini guide scope with 30mm f/4 aperture optics.
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$15.00 Shipping Condition: New – Open box Location: Israel (ES EDMUND Scientific LENS OPTIC 50 250 MgF2Coated, Achromatic Doublet Lens TS 45180. We are using rice-paper to protect lenses, mirrors and other optical ... moreparts. available). wire transfer. best solution for you if possible.
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$24.00 Shipping Location: Solon, United States Wollensak Verito 9 " (228mm) f / 4 black barrel lens. Made in Rochester,NY, by Wollensak. Non-coated glass. This lens will cover up to 5x7". Fast f/4 ... moremaximum aperture. Lens is 115mm or 4.5" long.
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$82.17 Shipping Location: Laguna Niguel, United States This viewer will display a 45 deg FOV on each 5" image axis. So, 45 deg is larger than anything ever experienced by an optical viewer. A standard cinema ... moresized screen being viewed from approx 2/3rd back in seat rows, is approx.
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Free Shipping Condition: Open box Location: O Fallon, United States The Monster Image Pro Extra-Bright 720P TFT LCD Projector provides you with an easy-to-use setup for all your presentations. With a Native Resolution ... moreof 1280x720p HD going all the way up to a Max Resolution of 1920x1080p HD you’ll have a wide range to project not only standard definition images and videos but also at a much higher resolution.
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$35.00 Shipping Location: Netherlands F inder in very good condition, bright and clean. Cover is original and complete. Cover shows minor wear, minor scuffs and no scratches. The lens is in ... morevery good condition. No cleaning marks, no scratches, slight haze, no fungus, no separation.
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Free Shipping Condition: New Location: China Focal Length 182mm. Focal length tolerance: ±0.1%. Lens total D ia. Coate d with FGMC Green Film. 51 182 Green Film. 51 183 Green Film. Finish: 60/40. ... moreCenter thi ckness tolerance: ±0.2mm.
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$72.22 Shipping Condition: Brand New Location: Blackbutt, Australia Images are brighter than with a 80mm refractor, with better resolution and slightly better viewing of planets and double stars while still remaining very ... moreportable. Kson's unique tri-lock system with three screws on the focuser and compression ring prevents slippage and can hold accessories very firmly.
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$9.88 Shipping Condition: New Location: China Handheld Lighted HD Jewelry Identify Magnifier. Magnification: 10X / 20X. 21mm Large field of view. GCD Optical System.
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Free Shipping Condition: New Location: China This results in the great color correction for an ED doublet lens. Copernicus Crater. Edited with Windows Photos. ED glass minimizes the effects of the ... moresecondary spectrum and reduces chromatic aberration to a remarkable degree.
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Free Shipping Condition: New Location: China This results in the great color correction for an ED doublet lens. SV106 Versatile 60mm aperture Guide Scope with a built-in helical focuser for precise ... morefocusing of. Copernicus Crater. Edited with Windows Photos.
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$20.05 Shipping Location: Salem, United States We want you to be happy. You are buying from a professional photographic dealer. You should expect everything to function reasonably well, and that all ... moreoptics have no problems that would noticeably affect image quality, unless we describe them otherwise.
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$2.50 Shipping Condition: New Location: 宝安区, China 10X 18mm + 15X 12mm Jewelry Triplet Loupe. This loupe is professionally made with precision and HIGH QUALITY, the finest and highest materials, featuring ... moreaachromatic & aplanatic optical glass triplet lens.
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Free Shipping Condition: New Location: Seattle, United States Foldaway design. Achromatically & Alpabetically correct loupe. 1 x Jeweler Triplet Loupe (10x). Achromatic & aplanatic optical glass magnifier. 10X MAGNIFICATION, ... more2-IN-1 with 6 LED Light and 21mm triplet lens to enable achromatically and alphabetically corrected.
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$2.99 Shipping Condition: New Location: China Focal Length 550mm. Focal length tolerance: ±0.1%. Finish: 60/40. Center thickness tolerance: ±0.2mm.
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$4.92 Shipping Location: United Kingdom Within the pages of the books are many 1,000s of diagrams, explanations, illustrations and detailed information to further your knowledge and understanding ... moreon the subject. and so much more. A course of practical histology, being an introduction to the use of the microscope - E. A. Sharpey-Schafer (1877).
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$9.88 Shipping Condition: New Location: China Handheld Lighted HD Jewelry Identify Magnifier. Magnification: 10X / 20X. 21mm Large field of view. GCD Optical System.
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$69.07 Shipping Location: Laguna Niguel, United States The difference was, Wheatstone used mirrors, whereas this is a prism, a massive one, weighing 10 lbs! This prism is made from the BEST quality Schott ... moreGlass. The benefit of the prism over a mirror in this application, it produces a much wider FOV for that WOW factor.
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Free Shipping Condition: Brand New Location: Fairfield, United States This concise, introductory book provides an overview of the subtle art of lens design. Topics covered include first-order optics, optical aberrations, ... moreachromatic doublets, optical relays, lens tolerances, designing with off-the-shelf lenses, miniature lenses, and zoom lenses.
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$25.00 Shipping Condition: New Location: Paulsboro, United States Cutera First and Doublet Fiber Focusing Lens compatible with Cutera CoolGlide nd:YAG Laser Series as well as the Cutera Xeo! Laser Service Solutions is ... morethe leading provider of Aesthetic Laser Solutions.
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$38.00 Shipping Condition: New Location: China Handheld Lighted HD Jewelry Identify Magnifier. Magnification: 10X / 20X. 21mm Large field of view. GCD Optical System.
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$72.22 Shipping Condition: Brand New Location: Blackbutt, Australia Kson 102mm / 700mm f/7 Optical Tube Assembly. Images are brighter than with a 80mm refractor, with better resolution and slightly better viewing of planets ... moreand double stars while still remaining very portable.
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Free Shipping Condition: New Location: Rowland Heights, United States This results in the great color correction for an ED doublet lens. ED glass minimizes the effects of the secondary spectrum and reduces chromatic aberration ... moreto a remarkable degree. Fit for OTA: SV503 (70F6 80F7) SV550 (80F6).
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Free Shipping Condition: New Location: China Svbony MK105. Svbony eyepiece extension tube (needed for focusing sv48). I have been impressed with the visual performance of the MK105. I like it! At ... morea focal length of 1365mm under Bortle class 7+ skies, plate solving did not work due to lack of stars (presumably?).
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$7.50 Shipping Condition: Used Location: Fremont, United States This sale is for one Sigma Koki NYTL-25-20PY1 YAG Laser Focusing Lens. YAG laser focusing lenses are air spaced triplets or doublets for YAG wavelengths. ... moreThese lenses are optimized for spherical aberration and coma.
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$2.50 Shipping Condition: New Location: 宝安区, China This loupe is professionally made with precision and HIGH QUALITY, the finest and highest materials, featuring aachromatic & aplanatic optical glass triplet ... morelens. Aplanatic - Corrected for spherical abberations, for larger field of view from side to side.
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$3.99 Shipping Condition: New Location: China Focal Length 300mm. Focal length tolerance: ±0.1%. We will send you a new one after receiving the defective item. If item is defective after 3 months, ... moreyou can still send it back to us.
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$27.14 Shipping Condition: New Location: Canada
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Free Shipping Condition: New Location: China Remarks: two-piece refractive double separation objective lens group;. 131mm Large Optical Dual Separation Doublet Lens Focal Length 1200 700mm. Dual ... moreSeparation Achromatic Lens. Material: Optical Glass.
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Free Shipping Condition: New Location: China Specification: Lens Diameter: 30 mm Focal Length: 120 mm Coated: FMC Support interface: 1.25in Or M42*0.75 mount Camera Focuser Type: Front Part Focuser ... moreBack Focus: Adjustable Dovetail includes 1/4″ screw hole Tube Travel: 45 mm Surface technology: Sandblasting oxidation Material: Aluminum Profile Net Weight: 342g / 0.75lb / 12.06oz Body Size: 92x56x78mm / 3.62x2.20x3.07 in Package Details： 1X 30mm f/4 mini Guide Scope 1XTwo-Ring bracket with a dovetail 1XTwo Nylon-tipped thumbscrews 1XOne Screws Tool 1XOne Dust Cover 1XOne Lens Cover.
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Free Shipping Condition: New Location: Hillside, United States Canon 10x30 IS II Image Stabilized Binocular. Beyond the image stabilization performance are optical features that improve image overall image quality. ... moreNext, they employ a Porro prism optical path that provides a rich depth of field to enable users to better judge distance between objects and a comfortable long 14.5mm eye relief.
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$6.21 Shipping Condition: New Location: China
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Free Shipping Condition: New Location: China Description: Close-up filters can decrease Depth of Field, use a smaller aperture to photograph the subject. Close-up filter, close-up lens or macro filter ... moreis a simple secondary lens used to enable macro photography without requiring a specialised primary lens. They work identically to reading glasses, allowing any primary lens to focus more closely. While some single-element close-up lenses produce images with severe aberrations, there are also high-quality close-up lenses composed as achromatic doublets which are capable of producing.
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Free Shipping Condition: New Location: China 1 TTartisans 90mm F1.25 XCD Mount Lens. 4 sets of Achromatic Doublets are used in M 90mm f1.25 lens to significantly improves the chromatic aberration ... moreand the resolution performance, presenting excellent image quality.The spherical aberration of achromatic doublets is better than singlets.
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$2.50 Shipping Condition: New Location: 宝安区, China Click Here. Double your traffic. Get Vendio Gallery- Now FREE! 10X 21MM Jewelry Triplet Loupe with Six LED Lights Ideal for use in poor lighting conditions. ... moreThis brand new product is a quality 10X jewellers loupe featuring six bright white LED lights for illumination. Natural white light helps to view inclusions. A perfect light for grading diamonds and other gems. Optical triplet lens 21mm diameter with non-reflective black surround for accurate gem grading. The loupe is housed in a satin finish metal housing with a lanyard loop. The loupe is stored in a leather storage case for protection when not in use. Achromatic& aplanatic optical glass triplet lens for accurate viewing- Three lenses bonded together to corrects spherical and chromatic aberrations. Eliminating color degradation and every part of the wide field of view in sharp focus for optimum chromatic performance and true color clarity. Triplet magnifiers are our best quality geology lenses! L ights are activated by separate miniature on/off switch. It comes with battery installed(3pcs LR927 batteries. Not included) and features 6 led bulbs around the edge of the lens for even lighting. The led bulbs are covered with a diffuser to reduce glare. Applications& Usage: Great for jewelers. Mechanics, machinists, stamp& coin collectors, arts& crafts, photographers, hobbyists, watch maker and other field that require micro view of the target object. It is a very useful gadget to carry along whether you use it to examine jewelry or gems, look inside the movement of a watch, inspect and catalogue coins and stamps, inspect or view photographs, printing, miniature art, mold making or just for reading the"fine print" of a document. Its incredibly useful as well to use for electronics repair, soldering micro-parts& precision machining. The light does allow you to see into a gem more easily and when the light is switched off. The loupe is a quality hand lens which feels comfortable and will suit any job. The option of adding extra light to
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Free Shipping Condition: New Location: Miami, United States Doublet air spaced achromatic S-FPL51 ED glass provides you less chromatic aberration image.
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$4.92 Shipping Location: BLACKWOOD, United Kingdom Microscopes, Microscopy, Histology. A course of practical histology, being an introduction to the use of the microscope - E. A. Sharpey-Schafer (1877). ... moreA laboratory manual of plant histology - M. B. Thomas (1894).
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$38.79 Shipping Condition: New Location: Germany Batteries may not be disposed of with household rubbish. You are legally obliged to dispose of batteries and accumulators properly. To do this, you can ... morehand in your old batteries free of charge at public collection points in your community or wherever batteries are sold. You can also send used batteries back to us at the address given above. We will then dispose of these professionally and free of charge for you. Batteries containing pollutants are marked with a symbol consisting of a crossed-out garbage can and the chemical symbol (Cd, Hg or Pb) of the heavy metal that is decisive for the classification as pollutant. The garbage can means: Batteries and rechargeable batteries must not be disposed of with household waste. The symbols under the garbage can stand for: Pb: battery contains l.
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$34.46 Shipping Condition: Used Location: Canada
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$16.49 Shipping Location: NORWICH, United Kingdom A truly unique collection of over 200 rare, out-of-print books compiled together on a USB flash drive covering the history of the Microscope and Microscopy. ... moreThe beginner's guide to the microscope, with a section on mounting slides - C. E. Heath (1922).
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Free Shipping Condition: Used Location: Albuquerque, United States This Tropel DOUBLET 3 Inspection Assembly KLA-Tencor AIT I Surfscan is used working surplus. The physical condition is good, but there are signs of previous ... moreuse and handling. Removed from a KLA-Tencor AIT I Surfscan Patterned Surface Defect Inspection System.
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$8.60 Shipping Condition: Used Location: Marion, United States Safetran hasn't sold them for over 30 years and they were manufactured by US&S before that. They are perfect for a 2 color signal restoration.
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$15.81 Shipping Condition: New Location: Elizabethport, United States Part: 94239. An indispensable tool for astrophotography enthusiasts, the Polar Axis Finder for CGX & CGX-L Mounts is a high-quality, durable accessory ... moredesigned to streamline your stargazing experience.
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$9.99 Shipping Condition: New Location: Chatsworth, United States Brilliant Macro +2 Aspheric. Lindsey Optics. Brilliant Macro lenses do not suffer from light loss when working in the macro range. Used in combination ... morewith a large aperture lens like the Cooke 5i T1.4 lens, the Brilliant Macro Lenses make large aperture macro possible, allowing new creative possibilities utilizing the shallow depth of field from that large aperture.
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Free Shipping Condition: New Location: Menifee, United States Doublet air spaced achromatic S-FPL51 ED glass provides you less chromatic aberration image.
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Free Shipping Condition: New Location: Top Khana Bazar S.O, India Keeler Galilean Loupe 2.5x. Made up of a doublet objective and high power negative lens. Keeler Galilean loupes are ideal for general dental and surgical ... morework when increased magnification and a large field of view are required.
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Free Shipping Condition: New Location: Imperial Beach, United States SVBONY barlow lens provide a high power magnification allow you look more closely and more detailed at the moon's surface and other planet. Barlow Lens ... moreApplication. High magnification for eyepieces to see more details of the moon; bands of Jupiter clearly; SVBONY 2x barlow lens is a better choice.
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$110.33 Shipping Condition: Brand New Location: Loganholme, Australia Alt-Azimuth AZ3 mount. 900mm focal length. Focal Length 900mm. Saxon 705 AZ3. Saxon 709 AZ3. Saxon 804 AZ3. Saxon 909 AZ3. Saxon 1026 AZ3.
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$42.75 Shipping Condition: New without tags Location: Mount Gambier, Australia I mined this gemstone in 1995 from 17 miles field of Coober Pedy South Australia. MY STONES ARE NOT TREATED IN ANYWAY, AS NATURAL AS CAN BE. ALL MY STONES ... moreARE NATURAL OPAL I MINED MYSELF, CUT MYSELF AND POLISHED MYSELF.
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Free Shipping Condition: New Location: Brooklyn, United States NEW; CANON 10X30 IMAGE STABILIZED BINOCULARS. THESE WERE A GIFT THAT HAVE NEVER BEEN USED,WHEN THEY WERE GIVEN TO ME I OPENED THE BOX LOOK AT THEM AND ... moreTHEY WERE PLACED BACK IN THE BOX AND NEVER USED. COMES WITH ORIGINAL BOX, MANUEL AND CASE. WILL ONLY SHIP WITHIN THE U.S.
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$9.99 Shipping Condition: New Location: Chatsworth, United States Brilliant Macro +1 Aspheric. Lindsey Optics. Brilliant Macro lenses do not suffer from light loss when working in the macro range. Used in combination ... morewith a large aperture lens like the Cooke 5i T1.4 lens, the Brilliant Macro Lenses make large aperture macro possible, allowing new creative possibilities utilizing the shallow depth of field from that large aperture.
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Free Shipping Condition: New Location: China 131mm Large Optical Dual Separation Doublet Lens Focal Length 1200 700mm. Dual Separation Achromatic Lens. Remarks: two-piece refractive double separation ... moreobjective lens group;. Combined image quality :1 / 4-1 / 8.
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$2.50 Shipping Condition: New Location: 宝安区, China Click Here. Double your traffic. Get Vendio Gallery- Now FREE! 10X 21MM Jewelry Triplet Loupe with Six LED Lights Ideal for use in poor lighting conditions. ... moreThis brand new product is a quality 10X jewellers loupe featuring six bright white LED lights for illumination. Natural white light helps to view inclusions. A perfect light for grading diamonds and other gems. Optical triplet lens 21mm diameter with non-reflective black surround for accurate gem grading. The loupe is housed in a satin finish metal housing with a lanyard loop. The loupe is stored in a leather storage case for protection when not in use. Achromatic& aplanatic optical glass triplet lens for accurate viewing- Three lenses bonded together to corrects spherical and chromatic aberrations. Eliminating color degradation and every part of the wide field of view in sharp focus for optimum chromatic performance and true color clarity. Triplet magnifiers are our best quality geology lenses! L ights are activated by separate miniature on/off switch. It comes with battery installed(3pcs LR927 batteries. Not included) and features 6 led bulbs around the edge of the lens for even lighting. The led bulbs are covered with a diffuser to reduce glare. Applications& Usage: Great for jewelers. Mechanics, machinists, stamp& coin collectors, arts& crafts, photographers, hobbyists, watch maker and other field that require micro view of the target object. It is a very useful gadget to carry along whether you use it to examine jewelry or gems, look inside the movement of a watch, inspect and catalogue coins and stamps, inspect or view photographs, printing, miniature art, mold making or just for reading the"fine print" of a document. Its incredibly useful as well to use for electronics repair, soldering micro-parts& precision machining. The light does allow you to see into a gem more easily and when the light is switched off. The loupe is a quality hand lens which feels comfortable and will suit any job. The option of adding extra light to
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$30.00 Shipping Condition: New Location: China Handheld Lighted HD Jewelry Identify Magnifier. Magnification: 10X / 20X. 21mm Large field of view. GCD Optical System.
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