Tele Vue 102 - Manual (Page 5)

Collimation of your Tele Vue-102 has been locked at the factory. With reasonable care it will remain
aligned. However, rough handling can cause misalignment. WARNING: Do not loosen the button head
screws in the front lens cell as this will cause misalignment. If necessary, contact Tele Vue for re-collimation.
Your star diagonal employs a first-surface mirror. Like all first-surface mirrors, it should be cleaned
only when absolutely necessary. First blow loose dust away with a squeeze bulb. CAUTION: CAUTION: CAUTION: CAUTION: CAUTION: Do not Do not Do not Do not Do not
clean mirror with water or water based cleaners such as Windex or any other commercial lens clean mirror with water or water based cleaners such as Windex or any other commercial lens clean mirror with water or water based cleaners such as Windex or any other commercial lens clean mirror with water or water based cleaners such as Windex or any other commercial lens clean mirror with water or water based cleaners such as Windex or any other commercial lens
cleaners; this is not a lens.
cleaners; this is not a lens. cleaners; this is not a lens. cleaners; this is not a lens. cleaners; this is not a lens. All contain too much water and will leave a residue. Moisten a “Q-Tip”
with pure acetone or methanol or Isopropyl alcohol, reagent grade. Clean gently using only the weight
of the cotton swab. Use ver
Use ver Use ver Use ver Use very light pr y light pr y light pr y light pr y light pressur essur essur essur essure, never r e, never r e, never r e, never r e, never rub. ub. ub. ub. ub. Slight residual stains or dust spots will have no
visible effects in observing.
The tube and other parts are powder-coated for durability and can be polished with any non-
abrasive car wax. Black anodized surfaces can be cleaned with Windex.
If you have any questions about the care, operation or performance of your Tele Vue-102, please call
Tele Vue at (845) 469-4551 from 9:30 am to 5:00 pm EST.
1.6 Warranty
The Tele Vue-102 is warranted to the original owner, to be free of manufacturing or workmanship defects for 5
(five) years from the date of purchase. Please return the warranty card for easy identification. If your Tele Vue-
102 requires warranty service, please call Tele Vue to discuss the defect, upon which you will receive a return
authorization. NO RETURNS ARE ACCEPTED WITHOUT PRIOR AUTHORIZATION.
The warranty does NOT include: collimation, defects caused by mis-handling, defects of
subjective nature, coverage for any telescope purchased through an unauthorized Tele Vue dealer, or
purchased outside the home country where Tele Vue has representation.
Warranty work will be performed at Tele Vue’s discretion and may only be performed by Tele
Vue Optics. The telescope must be shipped in its case with proper inner and outer packaging. Return
shipping and insurance charges are the purchaser’s responsibility.
1.7 Specifications
Type 2-element APO refractor, Fully Multi-Coated
Clear Aperture 4 inches (102mm)
Aperture Gain 212, compared to a 7mm exit pupil
Focal Length 880mm
Focal Ratio f/8.6
Resolution (visual) 1.1 arc-sec. (Dawes Limit for a 4 inch aperture)
Resolution 163 line pairs per mm
(photographic)
Magnification
16x to over 200x using Tele Vue eyepieces
Field, Visual 3 o at 16x
Focuser 2-inch, rack and pinion type
Diagonal 2-inch Everbrite 99% broadband mirror type, with 1¼” adapter
Finder Optional Starbeam or 55mm Plössl for 16x, 3 o field
Mounting Adjustable ring mount with ¼-20 tapped holes for
standard photographic tripods or optional Tele Vue mountings
Weight 9 lbs. (tube assembly) 19 lbs. in case, 28 lbs. shipping
Length 30.5-inches (O.T.A. only)
Accessories custom fitted soft case, screw-on lens cover, sliding dew (glare) shield. Additionally
included in the “complete” package: ring mount, 2” diagonal, 2”-1¼” adapter, Plössl
eyepiece
Tube Powder-coated aluminum
Specifications subject to change without notice.
1.8 Photo-visual Configurations