3.5" Telescopes and Accessories available from Questar


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Table of Contents


All Questar instruments are manufactured in the United States

QUESTAR STANDARD 3.5" ----- (Back to Contents)


Includes lens cap, 16mm (80-120X) and 24mm (53-80X) eyepieces, built-in finder (4X & 6X), Barlow lens for eyepiece port, star-diagonal prism; 110 VAC synchronous electric drive (See below for DC upgrade). Continuous 360° slow motion controls 25:1 with manual override slip clutch on both axis, Declination clamp, setable right ascension and fixed declination setting circles, finder solar filter and carrying case. Velvet lined case has door pouches that hold one eyepiece, 1.5" aperture solar filter, electric cord, powerguide hand control and legs for converting to table-top polar equatorial position. A 1/4-20 mounting hole centrally located on base can be used to attach most tripods. 30-45° latitude legs are standard. Special order for other latitudes. Questar barrel has moon map and perpetual star chart, the latter pulls forward to form dewcap Weight less than 8 lbs., in carrying case 14 lbs. Shipping weight 31 lbs. in specially designed packing and drum. (Specify voltage and latitude)

NumberDescription

10114Questar Standard, with Pyrex Mirror, Magnesium Fluoride coatings.
10214Questar Standard, with Pyrex Mirror, Broad-band and Low-reflection coatings.
10314Questar Standard, with Zerodur Mirror, Broad-band and Low-reflection coatings.
10514-50Questar Anniversary Model, with Silvered Quartz Mirror, Magnesium Fluoride AR, 1/10 wave optics and special accessory package.
10008Standard to Duplex Conversion (must return telescope with case to the factory).


QUESTAR DUPLEX 3.5" ----- (Back to Contents)


Includes lens cap, removable optical tube assembly with mounting holes for most tripods, 16mm (80-120X) and 24mm (53-80X) eyepieces, built-in finder (4X & 6X), Barlow lens for eyepiece port, star-diagonal prism, 110 VAC synchronous electric drive (See below for DC upgrade). Continuous 360° slow motion controls 25:1 with manual override slip clutch on both axis, Declination clamp, setable right ascension and fixed declination setting circles, finder solar filter and carrying case. Velvet lined case has door pouches that hold one eyepiece, 1.5" aperture solar filter, electric cord, powerguide hand control and legs for converting to table-top polar equatorial position. A 1/4-20 mounting hole centrally located in the base can be used to attach most tripods. 30-45° legs are standard. Special order for other latitudes. Questar barrel has moonmap and perpetual star chart; the latter pulls forward to form dew cap. Weight less than 8 lbs., in carrying case 15 lbs. Shipping weight 31 lbs. in specially designed packing and drum. (Specify voltage and latitude).

NumberDescription

10113Questar Duplex with Pyrex Mirror, Magnesium Fluoride coatings.
10213Questar Duplex with Pyrex Mirror, Broad-band and Low-reflection coatings.
10313Questar Duplex with Zerodur Mirror, Broad-band and Low-reflection coatings.

NOTE: To use Standard or Duplex for photography, basic camera coupling set (#13075) or swivel coupling (#13071)
and an adapter to fit your style camera body is required. See Photographic Accessories below.


Questar reserves the right to substitute eyepieces depending on availability at time of shipment.



Questar Field Model 3.5" ----- (Back to Contents)

Includes lens cap, 24mm eyepiece(53-80X), built-in finder (4X), star-diagonal prism, Barlow lens for eyepiece port, blue anodized dewcap, basic camera coupling set and waterproof carrying case. There is room in the case (dimensions: 18.5" x 14.6" X 5.7") for camera and other small accessories. Weight less than 4 lbs., in carrying case 11 lbs. Shipping weight 16 lbs.
NumberDescription

10110Questar Field Model, with Pyrex Mirror, Magnesium Fluoride coatings.
10210Questar Field Model, with Pyrex Mirror, Broadband and Low-reflection coatings.
10310Questar Field Model, with Zerodur Mirror, Broad-band and Low-Reflection coatings
10009Rapid Focus for above (on new purchase only).
10011Field to Duplex Conversion (must return telescope with the case to the factory, includes service).


Questar Birder 3.5" ----- (Back to Contents)

Includes lens cap, integrated 256mm finder spotting scope, 32mm eyepiece (8X-40X-60X), star-diagonal prism, Barlow lens for eyepiece port, rapid focus, blue anodized dew cap, basic camera coupling set, soft black plastic caps on finder, front lens and eyepiece, in a waterproof carrying case. There is room in the case (dimensions: 18.5" x 14.6" x 5.7") for camera and small accessories. Weight 4 lbs., in carrying case 12 lbs. Shipping weight 17 lbs.
NumberDescription

10112Questar Birder with Pyrex Mirror, Magnesium Fluoride coatings.
10212Questar Birder With Pyrex Mirror, Broad-band and Low-reflection coatings.
10312Questar Birder with Zerodur Mirror, Broad-band and Low-reflection coatings.


QUESTAR HIGH RESOLUTION SOLAR SPECTROMETER TM ----- (Back to Top)

Included as part of the TM.

NumberDescription

19650TM for 3.5 inch.
29650TM for 7 inch.
29650-FILTRIR Prefilter 147mm dia. for 7" and thread on cell.
19655Slit Tracker Adjustable reticle position, special reticle to align TM to Solar Disc and Solar Safe Filter, and a 24mm Questar eyepiece.
19657Limb Scanner for 3.5", Aperture Radial-offset, North-South Limb-Scanning attachment.
19650Limb Scanner for 7" , Aperture Radial-offset, North-South Limb-Scanning attachment.


EYEPIECES AND EYEPIECE ACCESSORIES ----- (Back to Top)

NumberDescription

191196mm Eyepiece Questar Brandon, Flat top, no eyecup (16, 213 and 320X).
191208mm Eyepiece Brandon (12x, 160x, 240x).
1912112mm Eyepiece Brandon (8x, 107x, 160x).
1912216mm Eyepiece Brandon (6x, 80x, 120x).
1912324mm Eyepiece Brandon (4x, 53x, 80x).
1912432mm Eyepiece Brandon (3x, 40x, 60x).
19125Set of Six Eyepieces in Standard Case (Specify eyepieces desired).
19125-WSet of Six Eyepieces in Walnut Case (Specify eyepieces desired).
19126Set of three eyepieces in Standard Case (Specify eyepieces desired). Shipping wt. 5 lbs.
19127Set of two eyepieces in Standard Case (Specify eyepieces desired). Shipping wt. 5 lbs.
Questar Brandon Eyepieces are threaded to fit and work with Questar Telescopes and accessories. They include a removable
rubber eyecup unless noted. A special high eye relief version is also available in a flat top version (no eyecup). Special order
only add HEP to part number. Prices available on request. The eyepiece powers stated above are based on the Questar 3.5 unit
and are approximate values. These eyepieces can be used for all Questar products.

NumberDescription


19107Mirror Diagonal for axial viewing through a Questar 3.5, uses Brandon eyepieces. (Requires swivel coupling #13017).Shipping weight 2 lbs.
19107-1/201/20/ wave Qtz. Silver Mirror Diagonal 1 1/4" type for axial viewing through a Questar 3.5", uses Brandon and 1 1/4" eyepieces (requires #19431-03A adapter listed below). Shipping weight 2 lbs.
19450Image Erector Pecham and Schmidt prisms with eyepiece on axis for axial viewing. Inverts image for correct orientation for terrestrial observation. (Requires swivel coupling 13071). Shipping wt. 2 lbs.
19451Image Erector with premium amici prism, 45° eyepiece position for axial viewing. Inverts image for correct orientation for terrestrial observation. Will accept Brandon and 1 1/4" eyepieces. (Requires #19431-03A adapter listed below). Shipping wt. 2 lbs.
19153Diopter Adapter Adapter Ring, multi purpose ring.
19431-03A1 1/4" Slip-Fit Low Profile Tube for axial viewing connection.
13078Diopter Adapter, enables eyepieces 1-1/4 or threaded Brandon to be used with older units.
13078XDiopter Adapter for Birder. Same as above, but an additional extension slip-fit ring is included for the 10X finder to focus to 15 feet.
19129Rubber Eyecup thread-on for Brandon type.
19135Rubber Eyecup extra soft bellows stretch on for 1 1/4 dia. eyepiece housings.
19136Rubber Eyecup winged contour style especially for Solar Observatory.
19116-6Metal Eyepiece Protective Tube three piece threaded tube for 6mm.
19116-8Metal Eyepiece Protective Tube three piece threaded tube for 8mm.
19116-12Metal Eyepiece Protective Tube three piece threaded tube for 12mm.
19116-16Metal Eyepiece Protective Tube three piece threaded tube for 16mm.
19116-24Metal Eyepiece Protective Tube three piece threaded tube for 24mm.
19116-32Metal Eyepiece Protective Tube three piece threaded tube for 32mm.

Questar is an authorized dealer for Vernonscope and Televue eyepieces and accessories; Daystar and Coronado H-Alpha filters, accessories and other optical products; JMI telescope drives and setting circles; Orion accessories and products. Please contact
us for current pricing and so we can help you select the correct equipment to work with the Questar telescope.



OPTICAL GLASS FILTERS ----- (Back to Top)

NumberDescription

13175Solar Filter, for finder for Questar 3.5.
13170Solar Filter, 1.5" aperture off-axis for Questar 3.5.
19170Solar Filter, slide on solar metal cover for 10X finder.
19261Solar Filter, full aperture for Questar 3.5. Shipping wt. 2lbs.
19261SSolar Filter, when ordered with telescope in place of off-axis filter.
19260Protective Flat, full aperture thread on, for Questar 3.5, magnesium fluoride coated. Shipping wt. 2 lbs.
19235Photo-visual Wratten Series, Set of 10 threaded and stackable filters in individual protective plastic container: #1A Skylight Haze, #12 yellow, #21 orange, #23A light red, #30 magenta, #56 Yellow-green, #58 green tricolor, #80A blue, #85 Salmon, and polarizer. Filters thread onto bottom of eyepiece (30% transparency).
Shipping weight 2 lbs.
19288Broad-band Light-Pollution Reduction Filter for photo-visual use. Improves contrast of deep sky objects by blocking frequencies of light from city limits. Threads onto bottom of Questar Brandon eyepieces.
(450-540nm > 625nm).
19290U.H.C. Broadband Light Pollution Reduction Filter ultra high contrast for photo-visual use. Improves contrast of deep sky objects by blocking frequencies of light from city limits. (475-525nm).
19282Questar Photographic Quick-change Filter Holder/housing for Questar 3.5 and Seven. (Requires swivel coupling #13071 or #23032).
19284-#Quick-change Mounted Drop In Photographic Filters, Wratten series: #3, #3N5, #8Y2, #11, #12, #15, #21, #23, #25, #38, #47, #58, #80, #85, #85A, #85B, #85N3, #85N6, #85N9, UV, Polarizer, ND.(0.1-2.0) each, specify # when ordering. (Requires holder #19282 listed above). Note other types and colors on request.
19276Variable Polarizer Assembly for Questar 3.5 or Seven. Dual polarizing unit with two levers to adjust the polarization and built-in swivel. (Requires swivel coupling #13071or #23032).

Cases for some of the above items are in the Case section ----- (Go to Case Section)

Questar Manufactured Piers, Stands and Accessories ----- (Back to Top)

NumberDescription

19338Questar Astro pier, for 3.5 instruments: 54" working height with a 31" leg span. Includes tilt head providing fine adjustment and locking in rotation and elevation for polar alignment from 30 to 90 degrees latitude. Folding legs, 0 to 90 degrees latitude scale and rotatable accessory shelf. Weight 25 lbs. Approximate shipping wt. 50 lbs.
19339Questar Tri-Stand Short Pier, 41" eyepiece working height for comfortable seated viewing with a 31" leg span. Includes tilt head providing fine adjustment and locking in rotation and elevation for polar alignment from 30 to 90 degrees latitude. Folding legs, 0 to 90 degrees latitude scale and rotatable accessory shelf. Weight 18 lbs. Approximate shipping weight 22 lbs.
19339HTri-Stand Tilt Head, providing fine adjustment and locking in rotation and elevation for polar alignment from 30 to 90 degrees latitude and an adapter ring to connect to any tripod. (Requires Tilt Head Adapter Ring #19339R shown below).
19339RTilt Head Adapter Ring, used for connecting Tilt Head to any standard tripod legs. Can be used with either 1/4-20 or 3/8-16 threads.
19339ALow Latitude Wedge 26° wedge adapter plate to attach to tilting head for latitudes less than 30 degrees. Weight 2 lbs.
19335Leveling Feet for Tri-Stand and Astro Piers. Provide adjustment for uneven ground surfaces. Shipping weight 3 lbs.
19333Rolling Casters Set of three hard rubber wheels and mounting bracket. Can be used with Tri-Stand or Astro Pier.
Please note that the piers for latitudes less than 30° will require the low latitude wedge. Questar piers and stands
are aluminum construction and black anodized. Other colors are available, call for price and availability.

All Questar piers and stands are made in the USA.



TRIPODS AND ACCESSORIES ----- (Back to Top)

NumberDescription

19334Viewing Stool, A heavy duty, light weight, adjustable height, "drum stool". Stool especially suited for #19339 Tri- Stand. Ample foam padding and air shock for extended comfort. Shipping weight 8 lbs.
19343 Bogen Tripod with 2 axis micro fluid head and handle, quick release plate, rising center column, 3 section tubular legs with flip locks. Maximum instrument weight 9 lbs. 26" overall height collapsed to 70" extended. Weight 9 lbs. Shipping weight 12 lbs.
19343-02Bogen Pan Head with 2 axis micro fluid head and handle, quick release plate, maximum instrument weight 8 lbs. Weight 2 lbs. Shipping weight 4 lbs.
19345Super Bogen Tripod includes ProVideo 2 axis micro fluid head claw ball quick lever lock, super light 2-stage Pro Tripod bi post tubular leg with cushion/spike feet, quick lock legs, and ground level leg spreader for maximum rigidity. Maximum instrument weight 13 lbs. 38" overall height collapsed, 74" extended. 12 lbs. Shipping weight 16 lbs. without carrying bag, 17 lbs. with carrying bag.
19345-05Bogen Mini Gear Adjust Pan Head
19345-01Bogen Heavy Tripod legs
19330Bag for Tripod dark blue heavy - duty 42" nylon bag Will fit all tripods 2 lbs. Shipping weight 6 lbs.
19135Bogen Window Mount U shape slide on bracket.
19136Bogen Small Gimble Head
19450Tripod Carrying Strap



TELESCOPE UPGRADES, DIGITAL CIRCLES, AND PHOTOGRAPHIC ACCESSORIES

SYNCRONOUS DC DRIVE CONTROL ----- (Back to Top)

NumberDescription

Questar Powerguide II
A self-contained DC servo quartz telescope drive system to replace the standard AC clock drive. It gives you
the ultimate in portability. "No more AC power plugs". Operates on internal 9V battery for 50 hours, selectable northern/southern operation, selectable lunar/ sidereal tracking rate, anti-backlash algorithms for quick guiding
response and motor error indication. Hand control operates dual speed right ascension (1.4X and 10X ) and declination guiding (with optional #19526 declination drive attachment). This upgrade is retrofittable to any
existing Questar telescope.

19415SPowerguide II: Ordered with new Questar 3.5 Standard or duplex
19415Powerguide II: Installed in previously manufactured Questar 3.5

DIGITAL CIRCLES

19530Digital Circle Hardware, includes encoder and brackets (requires display).
19530-MAXDigital Circle Hardware and JMI MAX computer includes encoder, brackets and MAX display.
19530-SUPDigital Circle Hardware and JMI Super MAX computer includes encoder, brackets and MAX display.
29551-MAX JMI MAX computer only, contains 12,000 objects.
29551-SUPJMI SUPER MAX computer only, contains 29,000 objects.
29551 Discovery computer only, contains 12,000 objects.

DELUXE UPGRADE PACKAGES

19540S Questar Slow To Super upgrade package includes Questar PGII, digital hardware, display computer and motorized declination. This package will give you the ultimate performance and flexibility while maximizing the portability. Ordered with and installed on new Questar 3.5" Standard or Duplex.
19540 Questar Slow To Super upgrade package includes Questar PGII, digital hardware, display computer and motorized declination. This package will give you the ultimate performance and flexibility while maximizing the portability. Installed on previously manufactured Questar 3.5".



TELESCOPE AND PHOTOGRAPHIC ACCESSORIES ----- (Back to Top)

NumberDescription

19431Starguide, off-axis tracker for Questar 3.5" or 7". Includes a factory set 7mm 90° prism, manual open/close shutter, rear 360° swivel and locking thumb screw, eyepiece guiding port and extension with focus adjustment. Specify 1-1/4 or threaded eyepiece connection to guiding port. Requires swivel coupling #13071 and an illuminated reticle eyepiece #19151 shown below. Shipping wt. 2 lbs.
19526Motorized Declination Drive for Questar 3.5", has both .5 and 7.2 degree/min speeds, includes motor, modular cable, larger altitude adjustment knob with manual override, tension screw and mounting bracket. After installation the motor is removable so instrument can be returned to the case. Please specify which Powerguide you have. Shipping Wt. 2 lbs.
19151Illuminated Cross Line Reticle Eyepiece (16mm), built-in dual thread swivel and reticle focus, self-contained battery powered variable intensity controlled LED, to be used with Questar Powerguide and Questar tracking accessories.
19152Self-contained LED Reticle Illuminator variable intensity and pulse time red LED illumination, will fit old and new Questar reticles #19151 above.
19420Piggy-Back 35mm Camera Mount for Questar 3.5".Black anodized aluminum construction. Slides onto barrel and connects to eyepiece port. Camera platform is slotted to balance camera. Eyepiece extension tube is provided to elevate eyepiece above camera to aid in guiding during photography. Specify eyepiece being used. Shipping weight 3 lbs.

MAGNIFING AND DEMAGNIFING PHOTOGRAPHIC LENSES

39501Barlow Lens 1.5x for axial viewing or photography.
39502Barlow Lens 2x for axial viewing or photography.
39490100mm Positive Lens (achromatic) .44x photographic focal reducer.
39505130mm Positive Lens (achromatic) .60x photographic reducer.

CAMERA CONNECTION ACCESSORIES

19370Counterweight for Questar 3.5", 1 lb vinyl lead impregnated wrap around weight and positioning arm with Velcro holding strips.
13075Camera Coupling Set for Questar 3.5" includes #13071 swivel coupling and #13073 extension tubes.
19304Swivel Coupling Adapter (for older Questars with .950 dia. axial hole.) Specify Questar model when ordering.
13073Extension Tubes only 5 piece set includes 3 different length extension tubes and 2 internal rings for inserting eyepieces or photographic Barlows.
13071Swivel Coupling only for Questar 3.5", 360° swivel with 2 locking thumb screws to connect to 1.2" dia. axial hole. Expanding to 1.64" dia. "P" threads for connecting to camera adapter.



PHOTOGRAPHIC CAMERA ADAPTERS "P" THREAD ----- (Back to Top)

NumberDescriptionNumberDescription
19354"P" to "T" Adapter19360Olympus
19355Canon19361Pentax"K"
19356Canon EOS19362Leica R4 Camera Adapter
19357Minolta19363Contax/Yashica
19358Minolta Maxxum19365"P" to 1 1/4 slip-fit
19359Nikon39511C-Mount Adapter

DIGITAL CAMERAS WITH NON-REMOVABLE LENS

19359-CP995Nikon Cool Pix19355-G1Canon G-1 Adapter
19366-E880Nikon 880 Digital19366-DC480Kodak DC4500 Digital
19366-3737mm digital lens thread19366-5858mm digital lens thread

Other adapters, including "T" Thread, Digital SLR, non-removable digital lens, and CCD cameras available upon request.



CASES ----- (Back to Top)

NumberDescription

19425 Eyepiece and Filter Case lacquered wood, foam lined; holds 6 eyepieces and a set of 12 eyepiece filters. Shipping weight 6 lbs.
19406 Small Case for accessories (compact), waterproof ABS plastic with O-ring seal, dimensions 14"x10.6"x 6.5", wt: 4.1 lbs. with full foam. Shipping weight 6 lbs.
13187 Medium Case for Questar Field Model/Solar Observatory, waterproof ABS plastic with O-ring, dimensions: 18.5"x14.6"x 5.7", wt: 8.4 lbs. with full foam. Shipping weight 10.6 lbs.
3-570.SET Replacement Foam Set for Medium Case.
33083 Large Case for a full Birder or Field Model package and compact tripod. For Duplex tube assembly and accessories; waterproof ABS plastic with O-ring seal. Will not accept fully mounted telescopes. Dimensions: 18.5"x 14.6"x 7.5", wt: 9.2 lbs. with full foam. Shipping weight 11.2 lbs.
13179 Standard Carrying Case for Questar Standard or Duplex, 15.5"x 9"x 8.5" wood construction, vinyl covered, soft lined and key locks. Shipping weight 9 lbs.
19179 Deluxe Leather Carrying Case for Questar Standard or Duplex, 15.5"x 9"x 8.5" wood construction, premium leather covered, soft lined and combination locks. Shipping weight 9 lbs.
19179S Deluxe Leather Carrying Case Upgrade (as an upgrade in place of 13179 case above). Shipping weight 9 lbs.
13193 Wood Case for 3.5" Solar Filter. Lacquered Wood, foam lined holds full aperture 3.5" Solar Filter.



TELESCOPE SPARE PARTS ----- (Back to Top)

NumberDescription

13091Dewcap for Questar Standard 3.5". Shipping weight 2 lbs.
13092Dewcap for Questar Duplex 3.5". Shipping weight 2 lbs.
13093Dewcap for Field model/Birder 3.5". Shipping weight 2 lbs.
1917110X Finder Metal Lens Cap, slide on protector.
19172Metal Dewcap for Birder 3.5" . 10X Finder slide-on machined, flocked tube.
13005Front Lens Cap for Questar 3.5". Aluminum thread-on with Questar Logo.
3-022Soft Plastic Front Lens Protector. Will fit over tube or dewcap.
19495AC Motors, special for other voltages and 50 cycle current, or with reverse winding for southern hemisphere.(specify voltage and frequency).
3-252Polarized AC Power Cord
3-252XNon-Polarized AC Replacement Power Cord. These cords are discontinued, and will require a new Polarized cord and receptacle.
13181Shipping Drum, (for Questar Standard & Duplex) Shipping weight 13 lbs.
3-915Instruction Manual for Standard, Duplex, Field Model and Accessories
3-754Eyepiece Caps (Soft plastic for 1 1/4" Brandon Eyepieces).
3-212Leg Hole Plug, each.
3-224Side Leg Standard Length, each.
3-228Center Leg Standard Length.
13179KReplacement Case Key. If available, these keys are no longer manufactured.
3-920Desiccant Packet, each.



OTHER ITEMS ----- (Back to Top)

NumberDescription

19700_ Questar T-shirt embroidered, all-cotton, short sleeve in sizes S, M, L, XL, XXL.
19705 Questar Baseball Caps.
19514 50th Anniversary Miniature Pewter Telescope Sculpture



DISCONTINUED ITEMS (Available while supplies last.) ----- (Back to Top)

NumberDescription

19465Carpod

The Questar Warranty and Service Policy
We invite you to inspect a Questar at our offices here in New Hope by making an appointment. Questar instruments are
manufactured to precision standards with rigid quality control. From date of purchase Questar guarantees all materials, including magnesium fluoride coatings, for ten years. Broad Band coatings are guaranteed for five years. Drives and focusing mechanism are guaranteed for two years. Workmanship is guaranteed for two years, and Questar manufactured electronics are guaranteed for one year. Questar guarantee is non-transferable and does not cover damage caused by accident or misuse; nor does it cover damage through shipping. The Warranty is null and void if the instrument has been repaired by any unauthorized agency. Expert and
prompt servicing of your telescope will always be available. Questar recommends an Inspection Service every two to three years,
and Questar Standard Service every five to seven years.

Questar Corporation
6204 Ingham Road
New Hope, Pa. 18938
USA
Telephone: 215-862-5277 or 800-247-9607
Fax: 215-862-0512
Email: questar@QuestarCorporation.com
Web: www.QuestarCorporation.com

Office Hours   9AM-4:30PM   Eastern Standard Time Monday thru Friday

All printed materials are copyright 2008 by Questar Corporation