412:
436:
388:
424:
17:
400:
93:
Because it was targeted at the novice market the telescope had its limitations: The general design was for low power hand-held or wide-angle work, the short f/4 focal ratio did not allow for high magnification without the image degrading, and the primary mirror was factory aligned with no provisions
138:
campaign by one of the original
Astroscan creators to fund production of a new version based on the original Astroscan telescope. Scientifics Direct expected to have the Astroscan back in production in early 2017. Scientifics Direct's website stated they would reintroduce the original Astroscan
129:
in 2001 with the telescope for sale on the "Edmund
Scientific" website. Production and sales of the telescope ceased in 2013 when the mold for the plastic body broke. In 2016 the Edmund Scientific website, now called Scientifics Direct, began offering a more common format
117:
When Edmund
Scientific introduced the telescope in 1976 they called it "The Edmund Wide-Field Telescope" with a Part Number "2001" Edmund had a public contest which ran until November 15, 1976, to come up with a name. The winning name was
74:
and optical engineer Mike
Simmons came up with the basic design and Peter Bressler Design Associates did the detailed work on this simple introductory telescope. Rather than using a more traditional
86:
cradle. The design was durable and allowed for simple operation by novice amateur astronomers; it won an
Industrial Design Award in 1976. The telescope body was made from high impact
139:
design in late 2020. At this time the production of the
Original Astroscan will be placed on hold until the quality and price point can be comparable to the original.
258:
259:
CLOUDY NIGHTS FORUM ARCHIVES, Equipment
Discussions >> Classic Telescopes, Edmund Scientific 4.25" WF Pre-Astroscan Serial #? catalog images
292:
335:
324:
176:
236:
87:
313:
the original
Astroscan® telescope is in the process of being updated and is expected to be available once again in early 2017.
280:
361:
269:
180:
33:
126:
461:
378:
222:
224:
Star Ware: The
Amateur Astronomer's Ultimate Guide to Choosing, Buying, and Using Telescopes and Accessories
151:
346:
134:
mounted 4.5 inch table-top
Newtonian telescope labeled the "Astroscan Millennium". There are reports of a
29:
456:
440:
228:
56:
45:
428:
416:
53:
300:
232:
392:
131:
82:
the Astroscan features a spherical housing around the primary reflector which sat in a cast
79:
75:
67:
184:
71:
281:
zicos.com, Help kickstart this fantastic, easy-to-use telescope Wednesday April 20, 2016
106:
99:
59:
450:
142:
See the Astroscan Millennium for a comparable price point and wide-field telescope.
102:
404:
63:
367:
Review of the Astroscan "Edmund Scientific Astroscan telescope" from 30 April 2004
197:
Bruce Hannah, Becoming a Product Designer, John Wiley & Sons - 2004, page 93
135:
125:
The Astroscan continued to be available after Edmund Scientific was acquired by
94:
for adjustment. The Astroscan came with 15 mm and 28 mm focal length
70:
was mounted on a flat optical window at the front of the tube. Edmund designer
371:
207:
95:
83:
49:
366:
270:
Piers Anthony, How Precious Was That While, Macmillan - 2002, page 372
257:, published September 1976, Edmund Scientific Company, Barrington NJ,
16:
90:
plastic and was equipped with a carrying strap to aid portability.
399:
98:, giving it a magnification of 30X and 16X respectively, with a 3.0
15:
372:
Astroscan Memories by Norman Sperling, January 15, 2011
362:
Cleaning the Optics of the Edmund Astro-Scan Telescope
122:". The "2001" part of the name was dropped over time.
376:
28:was a wide-field 4⅛" clear-inch (105mm) diameter
336:Scientifics Direct, Astroscan Original Telescope
325:Scientifics Direct, Astroscan Original Telescope
171:
169:
167:
48:layout with a 4⅛" clear-inch (105mm) diameter
8:
20:An Astroscan wide-field Newtonian reflector.
347:Scientifics Direct, Astroscan Millennium
177:"Edmund Scientific: Astroscan Telescope"
105:using the 28 mm eyepiece, and a 1.6
36:, that was for sale from 1976 to 2013.
383:
163:
66:of 17½ inches (445mm). The telescope's
88:acrylonitrile butadiene styrene (ABS)
7:
127:Science Kit and Boreal Laboratories
14:
434:
422:
410:
398:
386:
221:Harrington, Phillip S. (2002).
293:"Astroscan Original Telescope"
1:
210:. Everything in the Universe.
181:Edmund Scientific Corporation
34:Edmund Scientific Corporation
32:, originally produced by the
252:Edmund Wide-Field Telescope
478:
52:aluminized and overcoated
152:Infinite-axis telescope
21:
109:with the 15 mm.
19:
208:"Astroscan Memories"
44:The Astroscan had a
30:reflecting telescope
229:John Wiley and Sons
46:Newtonian reflector
297:Scientifics Direct
54:borosilicate glass
22:
462:Amateur astronomy
303:on 22 August 2017
469:
439:
438:
437:
427:
426:
425:
415:
414:
413:
403:
402:
391:
390:
389:
382:
349:
344:
338:
333:
327:
322:
316:
315:
310:
308:
299:. Archived from
289:
283:
278:
272:
267:
261:
249:
243:
242:
218:
212:
211:
204:
198:
195:
189:
188:
183:. Archived from
173:
132:altitude-azimuth
80:altazimuth mount
68:secondary mirror
477:
476:
472:
471:
470:
468:
467:
466:
447:
446:
445:
435:
433:
423:
421:
411:
409:
397:
387:
385:
377:
358:
353:
352:
345:
341:
334:
330:
323:
319:
306:
304:
291:
290:
286:
279:
275:
268:
264:
250:
246:
239:
231:. p. 116.
220:
219:
215:
206:
205:
201:
196:
192:
187:on 4 July 2008.
175:
174:
165:
160:
148:
115:
72:Norman Sperling
42:
12:
11:
5:
475:
473:
465:
464:
459:
449:
448:
444:
443:
431:
419:
407:
395:
375:
374:
369:
364:
357:
356:External links
354:
351:
350:
339:
328:
317:
284:
273:
262:
244:
237:
213:
199:
190:
162:
161:
159:
156:
155:
154:
147:
144:
120:Astroscan 2001
114:
111:
60:primary mirror
41:
38:
13:
10:
9:
6:
4:
3:
2:
474:
463:
460:
458:
455:
454:
452:
442:
432:
430:
420:
418:
408:
406:
401:
396:
394:
384:
380:
373:
370:
368:
365:
363:
360:
359:
355:
348:
343:
340:
337:
332:
329:
326:
321:
318:
314:
302:
298:
294:
288:
285:
282:
277:
274:
271:
266:
263:
260:
256:
253:
248:
245:
240:
238:0-471-41806-4
234:
230:
226:
225:
217:
214:
209:
203:
200:
194:
191:
186:
182:
178:
172:
170:
168:
164:
157:
153:
150:
149:
145:
143:
140:
137:
133:
128:
123:
121:
112:
110:
108:
104:
103:field of view
101:
97:
96:RKE eyepieces
91:
89:
85:
81:
77:
73:
69:
65:
61:
58:
55:
51:
47:
39:
37:
35:
31:
27:
18:
441:Solar System
342:
331:
320:
312:
305:. Retrieved
301:the original
296:
287:
276:
265:
254:
251:
247:
223:
216:
202:
193:
185:the original
141:
124:
119:
116:
92:
64:focal length
43:
25:
23:
429:Outer space
417:Spaceflight
136:Kickstarter
457:Telescopes
451:Categories
307:30 January
158:References
76:equatorial
393:Astronomy
57:parabolic
26:Astroscan
146:See also
84:aluminum
379:Portals
113:History
62:with a
255:manual
235:
40:Design
405:Stars
50:f/4.2
309:2020
233:ISBN
24:The
78:or
453::
311:.
295:.
227:.
179:.
166:^
381::
241:.
118:"
107:°
100:°
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
