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IMPORTANT - PLEASE READ THIS MANUAL BEFORE 

USING YOUR TELESCOPE

SAFETY WARNINGS

Do not look at the sun through the telescope!

Viewing the sun through the telescope without special equipment (Solar Filter) will cause permanent 
visual impairment and damage to telescope components.

Do not disassemble!

Disassembly of the telescope could result in personal injury and/or telescope malfunction.

CONTACT INFORMATION

If you have any questions or need assistance - please contact us:
Phone

303 273 9322 • Fax: 303 273 0204

E-mail

tec@telescopengineering.com 

Web site 

www.telescopengineering.com

User’s group

http://groups.yahoo.com/group/tec-scopes

Address 

Telescope Engineering Company • 15730 West 6th Ave. Golden CO, 80401. USA

TEC APO 110 TECHNICAL SPECIFICATIONS

Clear aperture 

4.33” / 110 mm

Focal length 

616 mm

Focal ratio 

5.6

Image scale 

5.6 arc min

Resolution (theor.) 

1.0 arc sec

Focuser TEC- I 

3.20” / 82mm  ID 

Eyepiece holder 

2” Collet type

Focusing range 

3.60” / 92 mm

One turn focus travel:
Coarse 

18.3 mm 

Fine (small knob) 

  1.8 mm

Back focus distance  6.70” / 170 mm
Focuser load capacity 12 lb / 5.5kg

Tube assembly dia.

4.44” / 112.8 mm

Baffle diameter 

5.51” / 140 mm

OTA length (shortest) 18.95” / 482 mm
OTA weight 

10 lb / 4.5 kg including ring

Weight with case

18 lb / 8.2 kg incl. keys

Case dimensions

21”x 13.5”x 8.25” 

Price 2010

$4500 (first run only) 

Includes : 

Optical tube assembly, front cover, plug, ring, case

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110 manuals_110 manuals  6/27/2010  8:16 PM  Page 2

Summary of Contents for APO110 FL Eclipse

Page 1: ...TEC APO110 FL TEC APO110 FL ECLIPSE OWNER S MANUAL 2010 110 manuals_110 manuals 6 27 2010 8 16 PM Page 1 ...

Page 2: ... com group tec scopes Address Telescope Engineering Company 15730 West 6th Ave Golden CO 80401 USA TEC APO 110 TECHNICAL SPECIFICATIONS Clear aperture 4 33 110 mm Focal length 616 mm Focal ratio 5 6 Image scale 5 6 arc min Resolution theor 1 0 arc sec Focuser TEC I 3 20 82mm ID Eyepiece holder 2 Collet type Focusing range 3 60 92 mm One turn focus travel Coarse 18 3 mm Fine small knob 1 8 mm Back ...

Page 3: ... Compact lightweight tube assembly with retractable baffle and shell type ring with handle for GG action grab and go Case for telescope has carry on dimensions for most airlines since these dimensions could change please double check weight dimensional limitation prior to your flight Telescope objective being oiled triplet by design transmits more light than any other objective in it s class thank...

Page 4: ... handle see separate description 6 Focuser see separate description 7 Plug It is a small part to keep the focuser end closed when not in use It also has TEC logo CLAMSHELL RING Clamshell contains upper and lower semi round parts handle 5 1 latch 5 3 hinge 5 4 Handle can be removed by unscrewing the flanged screw 5 2 with 5 32 hex key To remove OTA from the clamshell ring lift the latch wing up mak...

Page 5: ...using all the way around that also makes the axis of draw tube strictly concentric to the optical axis of telescope Holding draw tube in such a way makes the focuser more robust focuser has virtually no play under radial load 7lb weight shifts fully extended draw tube for less than 20mk The F5 6 ratio required finer focusing compared to our typical F7 telescopes since permitted defocusing is two t...

Page 6: ...your equipment Coarse focusing knobs 9 and Fine focusing knob 10 have round rubber grips for better tactile feeling during focusing Using rubber is also better for focusing at low temperatures Right focusing knob can be removed by loosening set screw 11 a Robofocus or other brand of electrical motors can be installed instead use 4 40 threaded holes 13 for motor bracket installation Fine focusing k...

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