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 360o 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" aperature 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. 30-45o 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)
| 10114 | Questar Standard, with Pyrex Mirror, Magnesium Fluroide coatings. |
| 10214 | Questar Standard, with Pyrex Mirror, Broad-band and Low-reflection coatings. |
| 10314 | Questar Standard, with Zerodur Mirror, Broad-band and Low-reflection coatings. |
| 10514-50 | Questar Anniversary Model, with Silvered Quartz Mirror, Magnesium Fluoride AR, 1/10 wave optics and special accessory package. |
| 10008 | Standard 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 360o 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" aperature 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. 30-45o 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).
| 10113 | Questar Duplex with Pyrex Mirror, Magnesium Fluoride coatings. |
| 10213 | Questar Duplex with Pyrex Mirror, Broad-band and Low-reflection coatings. |
| 10313 | Questar 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.
| 10110 | Questar Field Model, with Pyrex Mirror, Magnesium Fluoride coatings. |
| 10210 | Questar Field Model, with Pyrex Mirror, Broadband and Low-reflection coatings. |
| 10310 | Questar Field Model, with Zerodur Mirror, Broad-band and Low-Reflection coatings |
| 10009 | Rapid Focus for above (on new purchase only). |
| 10011 | Field 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.
| 10112 | Questar Birder with Pyrex Mirror, Magnesium Fluoride coatings. |
| 10212 | Questar Birder With Pyrex Mirror, Broad-band and Low-reflection coatings. |
| 10312 | Questar Birder with Zerodur Mirror, Broad-band and Low-reflection coatings. |
QUESTAR HIGH RESOLUTION SOLAR SPECTROMETER ----- (Back to Contents)
Included as part of the 
TM.
- TM 385 to 690 nm unit
- Wavelength scale
- Indicator slide
- Contrast slide
- Questar 8 mm eyepiece and focus tube assembly
- Special Swivel coupling for Questar and 1-1/4 type tubes
- 73 mm dia. IR Prefilter and thread-on cell
- Case
** Requires Counterweight (#19370) when used with Questar 3.5" instrument (priced separately).
| 19650 | TM |
THE QUESTAR SOLAR OBSERVATORY ----- (Back to Contents)
Included as part of the Solar Observatory
- Coronado .6 ATM H.Alpha Filter & Mirror Diagonal Assembly
- Questar Sun Shield (will not fit in the H.Alpha case)
- Swivel coupling
- "P" thread mirror diagonal adapter
- H.Alpha threaded adapter to Questar 3.5"
- Case
Shipping weight 5 lbs.
| 19265C | Solar Observatory (parts listed above) |
| 19266C | H-Alpha Max 60, Filter unit and diagonal only, requires adapters |
| 19266-MAX40 | H-Alpha Max 40 Filter unit and diagonal only, requires adapters |
| 19262-2.0 | Filter Adapter for Max 60 Filter |
| 19262-M52 | Filter Adapter for Max 40 Filter |
| 19262-DIAG | Diagonal Adapter for Max 60 Filter |
| 19262-P10 | Diagonal Adapter for Max 40 Filter |
| 19268 | SunShield (purchased separately) |
| 19235-58 | Eyepiece Filter for white light observation |
| 19271 | Polar Alignment Kit (includes level, compass, and chart) |
| 19273 | Polar Alignment Level |
| 19274 | Polar Alignment Compass |
| 19275 | Polar Alignment Charts |
EYEPIECES AND EYEPIECE ACCESSORIES ----- (Back to Contents)
| 19120 | 8mm Eyepiece Brandon (12x, 160x, 240x) |
| 19121 | 12mm Eyepiece Brandon (8x, 107x, 160x) |
| 19122 | 16mm Eyepiece Brandon (6x, 80x, 120x) |
| 19123 | 24mm Eyepiece Brandon (4x, 53x, 80x) |
| 19124 | 32mm Eyepiece Brandon (3x, 40x, 60x) |
| 19130 | Wide Field 1-1/4" slip-fit style |
| 19107 | Diagonal for axial viewing through a Questar 3.5, uses Brandon eyepieces. (Requires swivel coupling #13017).Shipping weight 2 lbs. |
| 19126 | Set of three eyepieces in case Brandon (Specify eyepieces desired). Shipping wt. 5 lbs. |
| 19127 | Set of two eyepieces in case Brandon (Specify eyepieces desired). Shipping wt. 5 lbs. |
| 13078 | Diopter Adapter, enables eyepieces 1-1/4 or threaded Brandon to be used with older units. |
| 13078X | Diopter Adapter for Birder. Same as above, but an additional extension slip-fit ring is included for the 10X finder to focus to 15 feet. |
| 19153 | Diopter Adapter Adapter Ring, multi purpose ring. |
| 19129 | Rubber Eyecup thread-on for Brandon type. |
| 19135 | Rubber Eyecup extra soft bellows stretch on for 1 1/4 dia. eyepiece housings. |
| 19136 | Rubber Eyecup winged contour style especially for Solar Observatory. |
| 19450 | Image Erector for axial viewing. Inverts image for correct orentiation for terresterial observation.
(Requires swivel coupling #13071). Shipping wt. 2 lbs. |
OPTICAL GLASS FILTERS ----- (Back to Contents)
| 13175 | Solar Filter, for finder for Questar 3.5. |
| 13170 | Solar Filter, 1.5" aperature for Questar 3.5. |
| 19170 | Solar Filter, for 10X finder. |
| 19261 | Solar Filter, full aperature for Questar 3.5. Shippin wt. 2lbs. |
| 19261S | Solar Filter, when ordered with telescope in place of off-axis filter. |
| 19260 | Protective Flat, screw on, full aperature, for Questar 3.5, magnesium fluoride coated. Shipping wt. 2 lbs. |
| 19235 | Photo-visual Wratten Series, Set of 10 in case: #8 light yellow, #11 yellow green, #12 yellow,
#21 orange, #23A light red, #30 magenta, #47 violet tricolor, #58 green tricolor, #80A blue, polarizer
and 5 holes for eyepiece storage. Filters thread onto bottom of eyepiece (30% transparency).
Shipping weight 4 lbs. |
| 19282 | Questar Photographic Quick-change Filter Holder, for Questar 3.5 and Seven. |
| 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. |
| 19276 | Variable Polarizer, for Questar 3.5 or Seven. |
TRIPODS AND ACCESSORIES ----- (Back to Contents)
| Please note that the piers for latitudes less than 30 degrees will require the low latitude wedge. |
| 19338 | Questar Astropier, 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. |
| 19339 | 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. |
| 19339H | Tri-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. |
| 19339A | Low Latitude Wedge 26o wedge adapter plate to attach to tilting head for latitudes less than 30 degrees. Weight 2 lbs. |
| 19335 | Leveling Feet for Tri-Stand and Questar Astropiers. Provide adjustment for uneven ground surfaces. Shipping weight 3 lbs. |
| 19333 | Casters Set of three hard rubber wheels and mounting bracket. Can be used with Tri-Stand or Questar Astropier. |
| 19334 | Viewing Stool Heavy duty light weight, adjustable height, "drum stool". Stool especially suited for #19339 Tri- Stand. Ample foam padding 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. Maxium instrument weight 9 lbs. 26" overall height collapsed to 70" extended. Weight 9 lbs. Shipping weight 12 lbs. |
| 19343-02 | Bogen Pan Head with 2 axis micro fluid head and handle, quick release plate, maxium instrument weight 8 lbs. Weight 2 lbs. Shipping weight 4 lbs. |
| 19345 | Heavy Bogen Tripod with 2 axis fluid head and two section handle. Large quick release plate, geared rising center column, 2 section bi post tubular leg with cusion/spike ends and carrying strap. Maximum instrument weight 12 lbs. 38" overall height collapsed, 74" extended. 12 lbs. Shipping weight 15 lbs. |
| 19345-05 | Bogen Mini Gear Adjust Pan Head |
| 19345-01 | Bogen Heavy Tripod legs |
| 19330 | Bag for Tripod dark blue heavy - duty 42" nylon bag Will fit all tripods 2 lbs. Shipping weight 6 lbs. |
| 19135 | Bogen Window Mount U shape slide on bracket. |
| 19136 | Bogen Small Gimble Head |
| 19450 | Tripod Carrying Strap |
PHOTOGRAPHIC ACCESSORIES & TELESCOPE UPGRADES ----- (Back to Contents)
| Questar Powerguide II, self-contained DC servo quartz drive, operates on internal 9V battery for 50 hours, selectable northern/southern operation, selectable lunar/ sidereal tracking rate, anti-backlash algorithms for quick guiding response. Hand control operates dual speed right ascension (1.4X and 10X ) and declination guiding (with #19526 declination drive) and motor error indication. |
| 19415S | Powerguide II: Ordered with new Questar 3.5 Standard or duplex |
| 19415 | Powerguide II: Installed in previously manufactured Questar 3.5 |
| 19431 | Starguide, Off-axis Tracker for Questar 3.5 or Seven. Includes a factory set 7mm 90o prism, manual open/close shutter, rear 360o swivel and locking thumbscrew, 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. Shipping weight 2 lbs. |
| 19526 | Motorized Declination Drive for Questar 3.5 with .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 the instrument can be returned to the case. Please specify which Powerguide you have. Shipping weight 2 lbs. |
| 19151 | Illuminated Cross Line Reticle Eyepiece (16mm) self-contained battery powered variable intensity controlled LED, to be used with Questar Powerguide and Questar tracking accessories. |
| 19152 | Self-contained LED Reticle Illuminator |
| 39501 | Barlow Lens 1.5x for axial viewing or photography. |
| 39502 | Barlow Lens 2x for axial viewing or photography. |
| 19370 | Counterweight for Questar 3.5", 1 lb vinyl lead impregnated wrap around weight and positioning arm with Velcro holding strips. |
| 13075 | Camera Coupling Set for Questar 3.5" includes #13071 swivel coupling and #13073 extension tubes. |
| 19304 | Swivel Coupling Adapter (for older Questars with .950 dia. axial hole.) Specify Questar model when ordering. |
| 13073 | Extension Tubes only 5 piece set includes 3 different length extension tubes and 2 internal rings for inserting eyepieces or photographic Barlows. |
| 13071 | Swivel Coupling only for Questar 3.5".360o 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. |
| 19473 | Azimuth Brake for Questar 3.5" aids in terrestrial photography by locking this axis so your target will not move while advancing your film. |
| 19420 | Piggy-Back 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. |
PHOTOGRAPHIC CAMERA ADAPTERS "P" THREAD ----- (Back to Contents)
| Number | Description | Number | Description |
| 19354 | "P" to "T" Adapter | 19360 | Olympus |
| 19355 | Canon | 19361 | Pentax"K" |
| 19356 | Canon EOS | 19362 | Leica R4 Camera Adapter |
| 19357 | Minolta | 19363 | Contax/Yashica |
| 19358 | Minolta Maxxum | 19365 | "P" to 1 1/4 slip-fit |
| 19359 | Nikon | 39511 | C-Mount Adapter |
| 19359-CP995 | Nikon Cool Pix | 19355-G1 | Canon G-1 Adapter |
| Other adapters, including "T" Thread and Digital, available upon request. |
CASES ----- (Back to Contents)
| 19425 | Eyepiece Case lacquered wood, foam lined; holds 5 eyepieces and a set of 10 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: 8.4 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 | 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 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 Carrying Case (as an upgrade). Shipping weight 9 lbs. |
| 13193 | Wood Case for 3.5" Solar Filter. Laquered Wood, foam lined holds full aperature 3.5" Solar Filter. |
TELESCOPE SPARE PARTS ----- (Back to Contents)
| 13091 | Dewcap for Questar Standard 3.5". Shipping weight 2 lbs. |
| 13092 | Dewcap for Questar Duplex 3.5". Shipping weight 2 lbs. |
| 13093 | Dewcap for Field model/Birder 3.5". Shipping weight 2 lbs. |
| 19171 | 10X Finder Metal Lens Cap |
| 19172 | Metal Dewcap for Birder 3.5" Finder. |
| 13005 | Lens Cap for Questar 3.5". Aluminum thread-on with Questar Logo. |
| 3-022 | Soft Plastic Front Lens Protector |
| 19495 | AC Motors special for other voltages and 50 cycle current, or with reverse winding for southern hemisphere.(specify voltage and frequency). |
| 3-252 | Polarized AC Power Cord |
| 3-252X | Non-Polarized AC Power Cord |
| 13181 | Shipping Drum (for Questar Standard & Duplex) Shipping weight 13 lbs. |
| 3-915 | Instruction Manual for Standard, Duplex, Field Model and Accessories |
| 3-915CD | CD Version Instruction Manual above |
| 3-754 | Eyepiece Caps (Plastic for Brandon Eyepieces). |
| 3-212 | Leg Hole Plug (1). |
| 3-224 | Side Leg Standard Length (1). |
| 3-228 | Center Leg Standard Length. |
| 13179K | Replacement Case Key |
| 3-920 | Desiccant Packet |
OTHER ITEMS ----- (Back to Contents)
| 19710 | Questar Mouse Pad |
| 19700_ | Questar T-shirt embroidered, all-cotton, short sleeve in sizes S, M, L, XL, XXL. |
| 19701_ | Questar T-shirt embroidered, all-cotton, long 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 Contents)
| 19465 | Carpod |
| 19314 | Table Top Tripod |
| 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. |
All printed materials are copyright 2002 by Questar Corporation