PENTAX Binoculars/Spotting Scopes
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How to Choose and Use Birding Optics
Blackburnian Warbler In association with Chestnut-sided Warbler CONTENTS Birding Optics 101 . 2 Optics Terms . 3 How Binoculars Work . 6 All About Spotting Scopes . 10 Top 10 Tips for Purchasing Your First Optics . 14 Adjusting Your Birding Optics . 18 Become a Birder in 5 Simple Steps . 22 Identifying Birds . 24 Three Tips for IDing Birds . 26 Traveling With Optics . 28 BIRDING OPTICS 101 No bird watcher’s toolkit is complete without optics, which means binoculars or a spotting scope . While you can bird without the magnifying power of optics, you won’t always get a satisfactory look at the birds, and will likely miss a few IDs . One barrier to entry for aspiring birders is the belief that quality optics are expensive . They can be, but they don’t have to be . Technological and manufacturing advances mean that today’s binoculars and spotting scopes are more affordable than ever, while still featuring high-end materials . So, where do you begin when selecting your first birding optics? In this guide, we discuss how binoculars and spotting scopes work, so you can select the best optics to enhance your birding experience . Once you’ve made your choice, we’ll teach you how to clean and care for your optics . You will learn to love them, because they are your gateway to discovering flocks’ worth of amazing birds . OPTICS DEFINED: WHAT YOU SEE IS WHAT YOU GET The vast majority of birders use binoculars—also known as “binos,” “binocs,” or “bins” for short . When you hear birders use the term “optics,” they are usually referring to binoculars . -
S P O R T O P T I
KENKO-SPORT-OPTICS-2012-1 12.4.6 11:07 AM Page 1 SPORT OPTICS BIRDING SPORTS MARINE OUTDOOR TRAVEL EVENTS ASTRONOMY KENKO-SPORT-OPTICS-2012-1 12.4.6 11:07 AM Page 2 KENKO-SPORT-OPTICS-2012-1 12.4.6 11:07 AM Page 3 In a moment, the breadth and beauty of nature is real, inviting you into its world... The sea, mountains, fields, forests and blue sky... see the full grandeur of nature through our outstanding line of binoculars. RECOMMENDED NEW ITEMS OP 8x32 DH II 8X21 DH SG OP 10x32W DH II 10X25 DH SG BIRDING BINOCULARS For more information, please refer to page 8 For more information, please refer to page 15 KENKO-SPORT-OPTICS-2012-1 12.4.6 11:07 AM Page 4 INDEX As one of the world's largest makers of binoculars, Kenko has the experience and refined manufacturing techniques to produce high-quality, multi-coated and phase-coated glass optics that yield bright, crisp clear viewing under a wide-variety of conditions. You may not know the name, but the Kenko company is an original manufacturer with decades of experience in the precise production of sports optics. THE PRODUCTION PROCESS OF KENKO BINOCULARS INDEX BINOCULARS Kenko - ULTIMATE BIRDING BINOCULARS OP 8x42DH Mark II / OP 10x42DH Mark II, 8x42DH MS / 10x42DH MS . .6 8x32DH MS / 10x32DH MS, 8x25DH / 10x25D . .7 ultra VIEW EX - PREMIUM BIRDING BINOCULARS OP 8x32 DH II / OP 10x32W DH II, OP 8x42 DH ED / OP 10x42 DH ED . .8 OP 8x42 DH II / OP 10x42 DH II, 10x50 DH / 12x50 DH, 8x42 DH / 10x42 DH . -
Telescopes and Binoculars
Continuing Education Course Approved by the American Board of Opticianry Telescopes and Binoculars National Academy of Opticianry 8401 Corporate Drive #605 Landover, MD 20785 800-229-4828 phone 301-577-3880 fax www.nao.org Copyright© 2015 by the National Academy of Opticianry. All rights reserved. No part of this text may be reproduced without permission in writing from the publisher. 2 National Academy of Opticianry PREFACE: This continuing education course was prepared under the auspices of the National Academy of Opticianry and is designed to be convenient, cost effective and practical for the Optician. The skills and knowledge required to practice the profession of Opticianry will continue to change in the future as advances in technology are applied to the eye care specialty. Higher rates of obsolescence will result in an increased tempo of change as well as knowledge to meet these changes. The National Academy of Opticianry recognizes the need to provide a Continuing Education Program for all Opticians. This course has been developed as a part of the overall program to enable Opticians to develop and improve their technical knowledge and skills in their chosen profession. The National Academy of Opticianry INSTRUCTIONS: Read and study the material. After you feel that you understand the material thoroughly take the test following the instructions given at the beginning of the test. Upon completion of the test, mail the answer sheet to the National Academy of Opticianry, 8401 Corporate Drive, Suite 605, Landover, Maryland 20785 or fax it to 301-577-3880. Be sure you complete the evaluation form on the answer sheet. -
Astronomical Binoculars
30˚E 15˚E OWNER’S MANUAL ASTRONOMICAL BINOCULARS ZHUMELL 20X80 SUPERGIANT ASTRONOMICAL BINOCULARS 0˚ 15˚W 75˚W 60˚W 30˚W 45˚W Zhumell customers know that there are plenty of ways to experience the world. They also understand that, however you choose to explore it, the best experience is one that fully immerses you in the world’s most striking details. That’s where our optics products come in. We strive to put high-performance products in the hands of our customers so that they can experience the world up close, with their own eyes. With Zhumell, you get field-tested, precision-crafted optics at the best possible value. So even if you’re just starting out as an amateur birder or astronomer, you don’t have to settle for entry-level products. Zhumell customers enjoy life’s pursuits, hobbies, and adventures in rich, colorful detail- the kind of detail that only high-performance optics can produce. At Zhumell, we design our binoculars, telescopes, and spotting scopes for discerning, price-conscious users who are uncompromising on quality. If you’re looking for accessibly priced optics that will bring your world within reach, you’re looking for Zhumell. Enjoy the view. 2 ENJOYING YOUR ZHUMELL ASTRONOMICAL BINOCULARS 1. Caring For Your Binoculars 2. Using Your Binoculars i. Tripod Mounting ii. Interpupillary Distance iii. Center and Diopter Focus 3. Terrestrial and Astronomical Viewing 4. Astronomical Observation Tips i. Selecting a Viewing Site ii. Seeing and Transparency iii. Dark-Adapting iv. Tracking Celestial Objects 5. Cool Views i. The Moon ii. -
Viewing an Eclipse Safely
ECLIPSES SOLAR an eclipse safely How to observe SOLAR ECLIPSE, OCTOBER 2014, BY LEMAN NORTHWAY Solar eclipses are quite rare and are often a major event. The SOLAR ECLIPSES Moon passes right in front of the Sun, blotting out its disc. Every time a solar eclipse occurs there are various things to look for. However, it is extremely dangerous to just go out and look up. The Sun is so bright that just looking at it can blind you, so you’ll need to prepare beforehand. There are various ways to observe eclipses safely, using both everyday materials and telescopes or binoculars. So read this leaflet Introduction to find out what happens during an eclipse and how you can see all the stages of the event safely. This booklet was written by the Royal Astronomical Society with The Society for Popular Astronomy and is endorsed by the British Astronomical Association The Royal Astronomical The Society for Popular Formed in 1890, the Society, founded in Astronomy is for British Astronomical 1820, encourages and beginners of all ages. Our Association has an promotes the study of aim is to make astronomy international reputation astronomy, solar-system fun, and our magazine, for the quality of science, geophysics and Popular Astronomy, is full its observational closely related branches of information to help and scientific work. of science. you get to know the Membership is open to www.ras.org.uk sky and get involved. We even have a special Young all persons interested in HIGGS-BOSON.COM JOHNSON: PAUL BY D Stargazers section, run by TV’s Lucie Green. -
Optical & Sport Systems
PRODUCT GUIDE No. 46 ◆ 9 •20 7 1 9 4 1 Optical & Sport Systems 3 5 t h Ye a r BINOCULARS TELESCOPES MICROSCOPES OUTDOOR ◆ INDEX BINOCULARS & SPOTTERS SPECS Konus is tradition and innovation. The tradition of an historic and prestigious brand that Konus binoculars and spotting scopes are made with an uncompromising commit- has become a synonymours of uncompromising quality and excellenge in the optics ment to quality at its highest standards. Their superior components ensure the ultimate industry over the last years and is currently distributed in 76 Countries worldwide. viewing experience for every demanding user. Featuring a wide assortment of models The innovation of a creative approach to the market that takes place through the con- with distinctive specifications (compact, zoom, waterproof, etc.), our lines of binoculars stant development of exclusive products with an unique and original style in both their and spotting scopes have become the favourite choice of avid hunters, birdwatchers design and packaging. In the competitive and challenging market of nowadays, Konus and outdoorsmen. is able to offer the ideal solution for every possible need, from Hunting to Birdwatching, from Research to Astonomiy, from Science to Sport. MAGNIFICATION: EYE RELIEF: This is the number of times that an object is being enlarged whi- this is the distance a binocular/spotting scope can be held away le looking at it through a binocular/spotting scope. For example, from the eye and still maintain the full field of view. Long eye BINOCULARS ◆ MAGNIFIERS an object that is 100 yards away will appear like it is 5 yards relief optics reduce eyestrain and are much more comfortable, away if it is observed with a 20x instrument (100 : 20 = 5). -
The Microscope Parts And
The Microscope Parts and Use Name:_______________________ Period:______ Historians credit the invention of the compound microscope to the Dutch spectacle maker, Zacharias Janssen, around the year 1590. The compound microscope uses lenses and light to enlarge the image and is also called an optical or light microscope (vs./ an electron microscope). The simplest optical microscope is the magnifying glass and is good to about ten times (10X) magnification. The compound microscope has two systems of lenses for greater magnification, 1) the ocular, or eyepiece lens that one looks into and 2) the objective lens, or the lens closest to the object. Before purchasing or using a microscope, it is important to know the functions of each part. Eyepiece Lens: the lens at the top that you look through. They are usually 10X or 15X power. Tube: Connects the eyepiece to the objective lenses Arm: Supports the tube and connects it to the base. It is used along with the base to carry the microscope Base: The bottom of the microscope, used for support Illuminator: A steady light source (110 volts) used in place of a mirror. Stage: The flat platform where you place your slides. Stage clips hold the slides in place. Revolving Nosepiece or Turret: This is the part that holds two or more objective lenses and can be rotated to easily change power. Objective Lenses: Usually you will find 3 or 4 objective lenses on a microscope. They almost always consist of 4X, 10X, 40X and 100X powers. When coupled with a 10X (most common) eyepiece lens, we get total magnifications of 40X (4X times 10X), 100X , 400X and 1000X. -
How Do the Lenses in a Microscope Work?
Student Name: _____________________________ Date: _________________ How do the lenses in a microscope work? Compound Light Microscope: A compound light microscope uses light to transmit an image to your eye. Compound deals with the microscope having more than one lens. Microscope is the combination of two words; "micro" meaning small and "scope" meaning view. Early microscopes, like Leeuwenhoek's, were called simple because they only had one lens. Simple scopes work like magnifying glasses that you have seen and/or used. These early microscopes had limitations to the amount of magnification no matter how they were constructed. The creation of the compound microscope by the Janssens helped to advance the field of microbiology light years ahead of where it had been only just a few years earlier. The Janssens added a second lens to magnify the image of the primary (or first) lens. Simple light microscopes of the past could magnify an object to 266X as in the case of Leeuwenhoek's microscope. Modern compound light microscopes, under optimal conditions, can magnify an object from 1000X to 2000X (times) the specimens original diameter. "The Compound Light Microscope." The Compound Light Microscope. Web. 16 Feb. 2017. http://www.cas.miamioh.edu/mbi-ws/microscopes/compoundscope.html Text is available under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license. - 1 – Student Name: _____________________________ Date: _________________ Now we will describe how a microscope works in somewhat more detail. The first lens of a microscope is the one closest to the object being examined and, for this reason, is called the objective. -
Binocular and Spotting Scope Basics
Binocular and Spotting Scope Basics A good pair of binoculars is a must for most for bird monitoring projects. Certainly, you can observe birds and other wildlife without the aid of binoculars, such as at a feeder, but with them you will see more detail. Binoculars don't have to cost you a lot of money, but should adequately magnify birds for identification. Many 7 x 35 or 8 x 42 power binoculars are affordable and good for bird watching. They should be easy to use and comfortable for you. You can buy binoculars through sporting goods stores, catalogs, and the Internet. How to use binoculars Binoculars are an extension of your eyes. First, use your naked eye to find the birds you are observing. Once you have detected movement and can see the wildlife, use binoculars to see details of a bird’s “field marks.” Everyone’s eyes are different, so before you raise the binoculars, you must calibrate them for your eyes. How to Calibrate Binoculars 1. Binoculars hinge at the center between the two large “barrels,” allowing the eyepieces to fit the width of your eyes (Illustration A). Pivot the hinged barrels so you see a single circle-shaped image, rather than a double-image when looking through them. If the barrels are as close together as they go and you still see two images, you may need to find another pair. The distance between the eyepieces is called the “interpupillary distance.” It is too large if you see two images. The number on the hinge post (angle) will always be the same for your eyes, no matter which binocular you use (A). -
Scope & Spotting Scope Resolution and Magnification
Scope & Spotting Scope Resolution and Magnification Eyesight Resolution Limits The normal or median human visual resolution limit is 1 MOA (minute of angle). This is also called normal visual acuity when use by your eye doctor. On the typical Snellen eye chart, the 20/20 line (20 foot line in USA) or 6/6 line (6 meters in the rest of the world) was designed to be readable with a visual resolution or acuity of 1 MOA. The other lines/characters are scaled accordingly. Telescopes were developed as visual aids to overcome this limited visual resolution or acuity. The principal tool for resolution improvement is magnification. It is obvious that magnification increases the apparent size of objects. However and more importantly magnification increases visual resolution. In the following illustration note how even small (doublings – powers of 2) increases in magnification greatly increase our ability to resolve (distinguish) small but important details by both increasing their apparent size and making better use of the available field of view. Fred Bohl, 10 June 2007 Page 1 of 6 Scope & Spotting Scope Resolution and Magnification Scope Resolution Limits Diffraction Limited Optics A long historical record holds that diffraction defines the ultimate resolution limit of telescopes. Generally we can say that any aperture with a finite size will cause diffraction and hence its resolution will be limited. The finite aperture (front lens, main mirror) must cut off a part of the incoming plane wave front. This missing part is disturbing the otherwise perfect interference of the propagating waves in a certain way. The result is a modulation of the wave front called the Point Spread Function (PSF). -
Can You Spot the Sunspots?
Spot the Sunspots Can you spot the sunspots? Description Use binoculars or a telescope to identify and track sunspots. You’ll need a bright sunny day. Age Level: 10 and up Materials • two sheets of bright • Do not use binoculars whose white paper larger, objective lenses are 50 • a book mm or wider in diameter. • tape • Binoculars are usually described • binoculars or a telescope by numbers like 7 x 35; the larger • tripod number is the diameter in mm of • pencil the objective lenses. • piece of cardboard, • Some binoculars cannot be easily roughly 30 cm x 30 cm attached to a tripod. • scissors • You might need to use rubber • thick piece of paper, roughly bands or tape to safely hold the 10 cm x 10 cm (optional) binoculars on the tripod. • rubber bands (optional) Time Safety Preparation: 5 minutes Do not look directly at the sun with your eyes, Activity: 15 minutes through binoculars, or through a telescope! Do not Cleanup: 5 minutes leave binoculars or a telescope unattended, since the optics can be damaged by too much Sun exposure. 1 If you’re using binoculars, cover one of the objective (larger) lenses with either a lens cap or thick piece of folded paper (use tape, attached to the body of the binoculars, to hold the paper in position). If using a telescope, cover the finderscope the same way. This ensures that only a single image of the Sun is created. Next, tape one piece of paper to a book to make a stiff writing surface. If using binoculars, trace both of the larger, objective lenses in the middle of the piece of cardboard. -
A Guide to Smartphone Astrophotography National Aeronautics and Space Administration
National Aeronautics and Space Administration A Guide to Smartphone Astrophotography National Aeronautics and Space Administration A Guide to Smartphone Astrophotography A Guide to Smartphone Astrophotography Dr. Sten Odenwald NASA Space Science Education Consortium Goddard Space Flight Center Greenbelt, Maryland Cover designs and editing by Abbey Interrante Cover illustrations Front: Aurora (Elizabeth Macdonald), moon (Spencer Collins), star trails (Donald Noor), Orion nebula (Christian Harris), solar eclipse (Christopher Jones), Milky Way (Shun-Chia Yang), satellite streaks (Stanislav Kaniansky),sunspot (Michael Seeboerger-Weichselbaum),sun dogs (Billy Heather). Back: Milky Way (Gabriel Clark) Two front cover designs are provided with this book. To conserve toner, begin document printing with the second cover. This product is supported by NASA under cooperative agreement number NNH15ZDA004C. [1] Table of Contents Introduction.................................................................................................................................................... 5 How to use this book ..................................................................................................................................... 9 1.0 Light Pollution ....................................................................................................................................... 12 2.0 Cameras ................................................................................................................................................