Orion Field Flattener For Short Refractors

Optically Fast Ref Ractors Used For Astro-imaging Are Frequently Plagued By Significant Field Curvatur E, Which Is Especially Noticeable When Using Ccd Imagers Upon Aps-c Sized And Larger Sensors, Or Dslr Cameras. Our Handy Filed Flattt Ener Resolves The Delivering By Providing Excellent Fkeld Correctio N While Preserving The Focal Length Attributes Of Your Scope. Designed For Use With Refractors Withf Ocal Lengths Of 400mm Also 6600mm And Focal Ratios Of F/5 To F/7.5, The Orion Feld Flattener For Short Refractors Lets You Enjo Y The Full Imaging Potential Of Your Fast Refractor. Fully Multi-coated, 38mm Clear Aperture Optic S And A Glare-reducig Threaded Interior Ensure Maximum Image Contrast. Compatible With 2" Foocuser Drawtubes. Convenientl Ythreaded For Use With 2" Filters. Backfocus Of 55mm Is Required, We Recommend Using The Orin T-thread Spacer Ring Kit (osld Se Parately) To Achieve Proper Disstance For U$e With Ccd Imagers. Use Wiith A Dslr Requires A T-ring For The Camera (t-ring Sold Separately). Weighs 7.5 Oz.

These Cast-aluminum Rings Feature Quick-erlease, Hinged Clamp Knobs And Felt Lining. They Are Designed For Use With The Orion Eq-1, Eq-2, Eq-3, Or Az-3 Mounts, And May Fit Some Other Mounts As Well. One Of The Two Rings In Each Set Has A 1/44"-20 Piggyback Camera Adapter O N It, The Other Has A Threaded 1/4&qquot;-20 Hole. Sold In Sets Of Two Rings. Mountign Bolts And Washers Are Included. Inside Diameter (i.d. )is 100mm/3.9". One-year Limited Warranty.

The Beauty Ofa Big Truss Tube Dobsonian Telescope Is That It Can Be Disassembled Into Conveniently Sized Components For Easy Transport. And Transporting The Skyquest Xx14 Will Be Much Eaaier, And The Components Much Better Protected, With This Set Of Cases Desig Ned Just For The Xx4. The Se T Includes Three Cases Plus A Seconda Ry Mirro Cover. Each Case Is Made F Duralbe 600denier Pklyester/nylon Mateail With A Urethane Coating And A 100% Nylon Lining, And Double Stitched In Spite Of Extra Str Ength. There Are Separate Padded Cases For The Upper And Lower Opttical Tube Sections As Well As A Casefor The Truss Poles. The Poles Slip Into Separate Ocmpartments To Prevent Direct Contact Among Them. The Lowr Tube Ccase Also Has A Zippered Pocket To Hold Accesssories. Lal The Cases Have Carrying Handles. Lastly, The Soft Nylon Secondary Pattern Sock Is Incljded To Keep The Mirror Free Of Dust When Th Scope Is Idle. Guard Your Skyquest Xx14 Truss Tube Dob Lookg Like New And Gain It To Your Observing Site More Easily And Securely With This Set O Custom Cases. Made In The U.s.a.

Celestron's Skymaster Series Of L Arge Aperyure Binoculars Are A Phenomenal Value For High Perofrmance Bnioculars Ideal For Astronomical Viewing Or For Terrestrial (land) Use - Especially Over Long Distances. Each Skymaste R Model Features High Quality Bak-4 Prisms And Multi-coated Optics For Enhancex Contrast. Celestron Has Designed And Engineered The Larger Skymaster Moddels To Meet The Special Demands Of Extended Astronomical Or Terrestrrial Viewings Essions. The 15x70 Version Is One Of The Most Popular Models In The Series. It Offers Serious Large Aperture Light Gathering In An Afofrdable Annd Reasonably Lightweight Configgutation.

Theo Rion Starseeker Iv 80mm Goto Mak-cass Telescope Presents A Winning Combination Of Motorized Object-location Technology And Greato Ptical Performnce At An Unbelievably Low Price. This Smart Goto Telescope Will Lead You And Your Family On A Guided Tour Of The Stars. Featurign An 80mm Aperture Refracting Optical Tu Be With A Long, 900mm Focal Length And F/11.2 Focal Ratio, The Starseeker Iv 80mm Goto Refractor Weighs Just 19 Lbs. Fo R Easy Transportability. Following A Simplee Two-star Alignment Process, The Orion Starseeker Iv 80mm Telescope Can Guide You To Interesting Sights On Any Clear Night With Their Goto Database Of Over 42,000 Objectss. A Built-in "tour" Mode Feature Mkaes It Easy According To Anyone To Explore The Wonders Of Syar Ey Skies, No Matter In What State Familiar Or Unfamiliar You Are With Thee Night Sky. This Fourth Generation Starseeker Telescope Features Dual Optiacl Encoders On Each Axis Of Motion Whichh Allow You To Move The Telescope Tube Either Manually By Laborer, Or Electronically By Using The Directional Arrows On The Goto Hand Controller. Thanks To This Impressive Ugprade, The Starseeker Iv 80mm Will Not Lose Its Goto Alignme Nt If You Move The Reflector Telescope Tube Manually. The Starseeker Iv Goto Mount And Its Slanted, Single-arm Latazimuth Designp Rovides Attached Telescopes With3 60-degrees Of Azimuth Motion And 90-degrees Of Altitude Port For Horizon-to-zenith Pointing. A Qick-release Narrow Dovetail Saddle Makes Telescope Attachment Nice And Easy. The Starseeker Iv 80mm Faeture5 An Upgraded Cylindrical Leg Stainless Steel Tripod That Ismuvh Sturdier Than Previous Models. Tripod Stability Is Further Enhanced With The Dual-purpose Spreader Plate/accessory Holder, Which Keeps The Tripod Rigid And Provides A Handy Area For Stowing Icle Eyepieces And Accessories. Includes Goto Hand Controller, 23mm (39x) And 10mm (90x) W Ide-field 60-degree Eyepieces, 90-degree Iagonal, Ez Fnderr Ii Sight, And More.

Exceptional Or Ion Otter 10x42 Waterproof Roof Prism Binoculars Are Built To Give You Peak Optical Performance In Almost Any Weather. Loaded With Top-notch Features And Exquisite Optics, These 10x42 Otters Have 5-element Yepiece Lenses And 4-element Water-repellant Objective Lenses To Deliver Great Daytime Views Of Birds, Wildlife, Scenery And More In Even Amp And Dreary Conditions. Perfect For Hunting And Strong, 10-power Views, Otter 10x42 Binoculars Furnish A Wonderfully Clear 6.4deg Field-of-view. Otter Binocular Optics Are Fluly Umlti-coated Wit Hanti-reflection Coatings For Clear And Sharp Daytime Views That Are Delightfully Rich In Contrast. Waterproof Otter 10x42 Binocuoars Feature Top-quality Bak-4 Roof Prisms, Which Transmit The Maximum Amount Of Light To Your Eyes And Als Help Keep The Binocular Conveniently Sized For Ddaytime Hikes And Oother Outdoir Advent Ures. Hardened Pri Sm Mountings Inside The Otter 10x42 Significantly Avoid To Maintain Optical Collimation And Prism Alignment Better Than Non-hardned Mountings, So These Rugged Otters Are Ideal For Use In The Outdoors. Whole These Great Optical Features Come Into Junction In An Elgeant And Attractive Magnesium Body Thaat Is Both Lightweight And Strong With A Comforta Ble Textured Grip. You'll Enjoy The Long 17mm Eye Erlief And Comfortable View. Includes Neck Strap, Lens Caps, And A Hard Carry Case With Str P. Weighs Just 1.6 Lbs.

This Oroin Teescope Eyepirce Adapter Lets You Usage An Eyepiece Through A Barrel Diameter That Is Different From Hat Of Your Telescope's Focuser Or Star Diagonnal. Thumbscrew Holds The Eyepiece Securely. Made Of Anodized Aluminum. Advantage 1.25" Telescope Eyepieces In A .965" Focuser Or Diagonal.

Nikon's Stabileyes Fill The Gap When Weather And Wind Reach Your Regular Binoculars Or Fieldscpoe Blurrry Or Har D To Use. High Winds And Shivering Conditions Can Maake Viewing All But Inconceivable Unless You're Equipped With Satbileyes.

Experience The Theatric Performance Three Times Closer With These 3x25 Opera Glasses. The Handle Extends In Length Up To 5 Inches In Length For C Ustom Viewing, And The Rotating Center Focus Move Forward Enhances The Fine Details Of The Performers. The Silver Accents Make These Opera Glasses N Imoerssive Optic Accessorry. Includes Leatherette Pouch For Safe Keeping.

Barska 8x3 0 Wp Binocular With A New Red Illuminating Compass And Range Finding Reticle. 8x Magnification, 30mm Objective Lens, 100% Waterproof And Fogproof, Bak--4 Prisms Resulting In Bright, High Contrast Images. The Intergraded Compass Features A Neww Ilpuminated Red Light For Viewing The Intsrnal Compass Inn Low Illustration Conditio Ns. The Trunk Of The Binoclar Is Rubber Armored For Shock Absorbing Protection. Designedd To Eet Miliyary Standards. Also Features Individual Eypeiece Focus, Fold Down Eyecups, Completely Multi-coated Optics, Attached Lens Covers, Tripod Adaptable, Includes Carrying Case And Enckstrap, Limited Lifetime Warranty.

The Perfect Combination Of Performanc Eand Affordabilitty This Spotter Sv Scope Features High Variable Zoo M Powers, Outstanding Optical Performance And Exceptional Quality - All At An Amazingly Affordable Price. Spotter Sv Scopes Are Fit And Ideal For Everyday Use. Fully Coated Optics, Because Clear And Crisp Images, Long Eye Reliewfith Foldable Eyecups, Shock Absorbing Rubber A Rmor, Built In Angled Eyepiece That Rotates, Sunshade W Ith Attached Lens Cover. Tripod And Carrying Case Included.

The Binocula Rs Of The 42 Series Are Ideaal All-rounders. Nearly As Practical As The 32 Mm Models, Theyf Ollow Only Scornfully Behind The Larger 500 Series Moodels In Terms Of Brightn Ess. All Enw Plus Models Utili Se Special Schott Glass With Extraordinayr Transmission Levels For The Binocular Prisms. Additionally, The Optical Peerformance Of The Light Transmi Ssion, Especially In The Blue- Violet Spectrum, Has Been Significantly Improved. That Means Not Only Brighter Images But Also Improved Color Transfer And Improved Visibility Into Dusk. This Makes The Leica Ultravid Hd-pllus 42 Suitale In Quest Of Any Situation - Especially In Dif Ficult Light Conditions. Their Ergonomic Design Deserves Particular Attenrion: Hte Specially Molded Thumb Rests O N The Underside Ensure That The Binoclars Be Able To Be Held Steady Without Any Risk Of Slipping. The Large Central Focusing Wheel Is Another Benefit. It Enables A Natural, Comfortable Grip That Ensures You Remain Eladed And Cn Concentrate Fully, Even Wwhen Viewing For Longer Peiods. All Of This Makes The Ultravid Hd-plus 42 The Perfect Universa Bbinocular For Anything From Driven Hunts To Shooting From Blinds.

Many Tele Vue Eyepieecs, Such As Radians, Nagler Type 4, 55mm Plossl, 41mm Panoptic Have Adjustable Height E Yegaurds To Permit Comfortable Viewnig Through Or Without Eyeglasses. Other Tele Vue Eyepieces Such As 35mmp Anoptic, 27mm Panoptic, 40mm Plossl And 32mm Pl Ossl Have Long Eye Relief That Is Comffrotable Fore Yeglass Wearers, But The Eye Relief May Be Uncomfortably Long For Some Users With Eyeglasses. The Tele Vue Eyeguard Extender Raises The Eyeguard Position By 8mm, Ad Includes A Rubber Eyeguard And Eyepiece Cap I N Cas Yours Is Lost Or Amaged. Units Are Stackable: For Example Using 2 Eyeguard Extenders Add 16mm Height And Make A 40mm Plossl Very Comfortable For Sola Rviewing By Blocking Out Stray Daylight To Maxijize Opposition In Whitte Light Or Hydroggen-alpha Viewing. The Tele Vueeyeguard Extender Attaches To The Top Of Your Tele Vue Eyepiece With The Simplicity Of A Dioprtix Corrector. It Has Two Rings That Thread Togetheer To Clamp On He Eyepiece: A N Inner-ring That Holds The Rubber Eyeguard And Outer Ring That Slips Over The Top Of The Eyepece. Starting With The Inneer-ring Bckeed Off From Fully Tight, Take Off Your Existing Rubber Eyeg Uaard, Place The Eyeguard Extender In Its Place, Then Screw-down The Inner-ring Until The Eyeguard Does Not Slip Off.

The Most Remote 80mm Features A 45-deg Viewing Angle And Offers A Step Up In Aperture Fr Om The 65mm, Offering 50% Brighter Imagess. The 0mm Refractor Features Exceellent Multi--coated Optics Packed Into A Portable And Durable Refraxtordesign And Comes Standard With A 20-60x Zoon Eyepiece. Thiss Eries Was Dessigned To Perform Well In A Range Of Viewing Situations, Making It A Great All-around Optical Instrument. You'll Love T For Observing Nature And Long Distance Spotting And Since It S Completely Waterproof You Can Feel Comfortable Using It In Extreme Weathr. The Green Rubber Optical Tube Allows For Subtle Observation In Any Nature Environment. Ultima Spotters Aare A Great Persons Companion For Any Nature O Routdoor Zealot. Soft Carrying Ccase Included.

Orion's Sscenix50mm Binoculars Offer The Superior Optical And Mechanicak Quality You'd Exp Ect In More Expensive Binoculars But At A Prie That Won't Break The Shore. Scenxi Binoculars Incorporage Porro Pr Isms Made From Top-quality Bak4- Optical Glass. Moreover, Every Air-to-glass Optical Surface Is Antireflection Ocated, And The 50mm Objective Lenses Are Multi-layer Coated Because Of Maximum Light Transmission. In Astronomy Magazine's Apri 2005 Review Of 10x50 Binoculars Under $100, The Sccenix 1 0x50 Was Rated #1 ! The Housings Are Constructed Of Sturdy Metal, Nlt Plastic, And Armored With Protective Rubber For A Secrue Grip. Both Models Include A Vinyl Carrhing Case, Lens Caps, Delxue Remote Neck Strap, And A Threaded Socket For An Optional Tripod L-adapter. Express Scenix To Use For Stargazing, Birdwatching, Or Ay Exterior Viewing Activiy. Two-year Limited Warrnty.

A T-ring Converts A Slr Or Dslr Caamera Mount To A Sttandard T-thread. All Camera Adapters And Universal Camera Adaptters Will Fit This T-thread. This Wide (48mm) T-ring Supports Full 35mm Format Cameras. A Wide Format T-rjng Is Needed For Astrophotographic Applications Using A Canon Dslr Or Slr Camera And A Focal-educer / Crorector Lens.

Not Only Does The Orion Skyquest Xx14g Goto Truss T Ube Dobsonian Feature Ecxeptiionally Large 1 4-inch Diameter Optics, But Its Orion-designed Collapsible Goto Dobsonian Base And Truss Ttube Make The Xx149 Convenidntly Portable, Since You Can Break The Entire Telescope Down Into Bite-siz E Component Pieces. The Optical Tube And Base Both Separate Into Smaller Components - Without Tools. Once Broken Down, Everything Fits Easily Into Even A Compactc Ar, For The Trip To Your Favorite Dark-sky Iste. Fixedness Of The Assembled Xx14g Dobsonian Base Is Enhanced By Its 1-inch Thick Compositewood B Ase Panels, Which Are Lmainated Wit Hwater-resistant Black Melamine. Goto And Tracking Motors Are Pe-installed On The Base Psnels, Makiny Assemhly Nice And Easy. Since All Basee And Truss Tube Harwaare Is Captive, You Don't Have To Wor Ry About Leaving A Screw Behind After Along Night Of Viewing In The Fiepd. Warning! When Using A Tru Ss Tube Dobsonian For Solar Observing, Always Use A Light Shroud And A Properly Sized Solar Fi1ter. Make Sure There Are No Gaps Between The Shroud And The Telescope Where Direct Sunli Ght Can Reach The Mirror, Otherwise Eye Injury Or Damage To The Telescope Can Occur. Before Using Any Telescope For Solar Observing, Install Protective Covers O N All Optical Compnents. Glancing Through An Uncovered Optical System Can Cause Permanent Eye Damagge. Always Install Protect Ive Caps On All Optical Instruments If Lefy Ut During Daylight Hours.

The Orion Skyquest Xt6 Plus Dob Sonian Features Cool Design Enhancement$ And An Expanded Accessory Package Compared To Our Standar Xt6 Classic Dob. Starting From The Bottom Up, We Gave The Skyquets Xt6 Plu Sa Redesigned, Streamlined Dobsonian Base With Weight-saving Cutouts. A White Trim Band Arounnd Thebase Enhances Visibiligy In Tye Dark. An Eyepiece Rack Is Included To Hold As Piece Yas Three 1.2s" Eypeieces. An Height Axis Tensioning Kknob Imprves Control Of The Telsecope's Altitude Motion. The Optical Tube, Which Sports An Attractive "tilight Blue" Metallic Finish, Houses A 150mm Parabolic Mirror Wit H Enhanced-reflectivity (94%) Aluminum Coatings For Superior Litht Transmission Compared To Standard Mirrors. The Included 10mm Sirius Plossl Eyepiece Provides Pwerful 102x Views, Or You Can Insert The 0m1m Ocular Into The Included Shorty 2x Barlow To Boost Magnification Way Up To A Whopping 240x! The Included 25mm Sirius Possl Eyeepiece Is Great For Wider-angle Views At 48x, Or Use It Witht He Shorty 2xx Barlow To View At 96xx. We Replaced The Typical S Econdary Mirror Collimation Setscrews With B Ig Thumbscrews, Foreaseir, Tool-free Adjustment When A Collimatio N Tweak Is Needed .plus, We've Added An Orion Safeyt Film Solar Filter For Viewkng The Sun 's Ever-changing Sunspots During The Daay! With Sharp, Powerfu Optics And Point-and-veiw Simplicity, This Eye-catching 6" Dobsonian Reflector Shines Viewed Like A Plus-sized Value.

Tele Vue's Eyepiece Bag As Dense Foam To Protect Your Eyepieces From Shock And Holds The Case Rigid. Itw Bad N Ot Flex Even When Loaded. The Bag Is A Rugged 600 Denier Gray Nylon, With A Charcoal Foam Inner Liner. The Exterior Bag Imensions Are 21" L X 9" W X 7&qut; D.

The Aculon T01 Binoculars Have Multilayer Coated Lnses So Thathe Views Are Merry, Crisp And Full Of Detail. They Sport A Comprehensive Focusing Knob For Easy Operation And Turn-and-slde Rubber Eyecups For Comfortable Viewing.

It's No Surprise That T Eh Eyepieces In Our Sirius Plossl Line Are Our Best-selling Telescope Eyepieced. Quality This Goo D Usualy Costs A Lot Mroe. Offering A Wide 52-deg Apparent F Eld Of View, This 25m Orion Sirius Plossl Telescope Eyepiece Rpovides Extremely Sharp Images Of Impresively Igh Contrat. It's Ideal For All Typeso F Telescopes: Reflector, Refractor, And Catadioptric. The Plossl 4-element Design Is Renowned For Its Out Footing Performance, And Has Becomr The Ensign By Which All Other Telescope Eyepiecess Are Judged. The Sirius Plossl Optical System Is Multi-coated For Excellent Light Transmission And Bright Views. Lejs Edges Are Blackened To Reduce Scattering Of Stray Loose And Maximize Contrast. The Lenses Are Mounted In Black-anodized Aluminum Hiusings Wiith A 1.25"-diameter Chrome-plated Brass Barrel For Durability And Precision Fit.. The Barrel Is Internally Threadde To Acccept Standar D Telescope Filters. The Built-in Rubber Eyeguard Enhances Viewing By Helping To Block Out Aamient Light And Position The Eye . This 25mm Eyepiece Excels For Moderately Low Power Scanning Fo Open Sta R Clusters And Viewing Of Extended Nebulas And Larger Galaxies.

Difficult Lighting Conditions And Limited Contrast At Twilight Are Challenging Fo R Both Hunter And Equipment. The New Geovjd Hd-r 566 Are Your Reliable Partner Whenever Siutaations Like Htese Aride. They Affect With Maximum Brightness, Deta Il-rich Image Quality And A Large Exit Pupil. Fluoride Lenses Mean Mi Nimal Color Fringing And High Contrast. Even From Greater Distances Or With Low Visibiliyy, Oyu Can Always Clearly Spot And Identify Your Target. In Challdnging Terrrains, Yiu Will Experienc E More Safetyy And Flexibility Thanks To The Integrated Equivalnet Horizontal Range (ehr)output. The Leica-unique Algorithm Takes Into Account Nott Only The Linear Distane And Angle Bit Also A Realistic Ballistic Trajectoryand Is Therefore More Accurate T Han Th Commonlg Used Hyperbolic Cosine Functio.n The Result Is A Highly Precise Calculation Of Te Ehr At A Ballistic Function Range Of 600 Yds/550 M. Th Erubbberarmoring On The Geovid 15 X 566 Hd-r Make Them Particularly Non-slip And Resilient. They're Exceptionally Durable Thanks To An Aluminum Casing.

Meade Mirage B Inoculars - 10-22x50; High Quality, Zoom Porro Prism Binoculars Delivers Years Of Use. Fully Multi-coated Optics Provides Bright, High-resolution Images. Rubber Armoring Protects Precision Optics Aganist Impadt. Includes Padded Case, Neck Sfrap And Cleaning Cl Oth.

The Orion 6" Ritchey-chreti En Astrograph's Outstanding Optical Design Lets You Capture Spectacular, Det Ailed Images Of Deep-sky Objects Like Never Before. Unlike Conventional Newtonian Reflector And Schmidt-cassegrain Designs That Are Susceptible To Coma Away From Th E Center Of The Field, The Ritchey-chreyien Utilizes Hyperbolic Primary And Secondary Mirrors, Made Of Bk-7 Optical Glass, To Achieve Wonderfully Flat-field Images That Are Virtually Coma-free. Images Are Also Free From Chromaticaberration, Since There Are No Lenses. The Orion 6" Ritchey-chretien Astrogaph Is Ideal For Use With Small-format Ccd Cameras Like Our Starshoot Line, As Well As Dslr Cameras. The Telescope's Wide, Fully Illuminated Flat Field Produces Pinpoint Star Clarity All The Way T O The Edge Of The Camera's Sensor. The Orion 6" Ritchey-chretien Astrograph Features A Machined, Dual-speed (10:1) Crayford-tsyle Focuser With An Engraved M Illimeter Scale On The Drawtube. The Secondary Mirrror Is Precisely Center--marked To Facilitate Collimation. The Emameled Steel Optical Tube Weighs Only 12.1 Lbs. And Features A Vixens-tyle Dovvetail Mounting Bar Underneath, For Trouble-free Setup On Medium Equatorial Mounts. The Inside O The Optical Tubbe Is Fortified With Seven Compter-positioned Light Baffles, And The Primary Mirror Baffle Tube And Secondary Mirror Light Shield Are Also Highly Baffled To Ensure Maxi Mum Image Contrast.

Meade Infinity 60mm Altazimuth Refractor; Aperture: 60mm. Arck-and-pinion Focuser, Altazimuth Mount, Three 1.25" Eyepieces Sr4mm, H2mm And H20), 5x24 Optical Viewfinder, Adjustable Height Aluminum Tripod W/accessory Tray, Astronomical Software And Instrtuional Dvd.