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Search results for: 'ocal electronic collimator'

Search results for 'ocal electronic collimator'

$Askar APO 185 F/7.0 Triplet Refractor$ $Askar APO 185 F/7.0 Triplet Refractor$
Askar APO 185 F/7.0 Triplet Refractor
US$ 6,179.66

The Askar 185APO is a telescope (OTA) with an aperture of 185 mm, a focal length of 1295 mm and a native focal ratio of f/7.
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$Askar 140 APO F/7.0 Triplet Refractor$ $Askar 140 APO F/7.0 Triplet Refractor$
Askar 140 APO F/7.0 Triplet Refractor
US$ 2,383.04

The Askar 140APO is a telescope (OTA) with an aperture of 140 mm, a focal length of 980 mm and a native focal ratio of f/7.
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$Askar 103 APO F/6.8 Triplet Refractor$ $Askar 103 APO F/6.8 Triplet Refractor$
Askar 103 APO F/6.8 Triplet Refractor
US$ 1,191.08

The Askar 103APO is an optical telescope (OTA) with an aperture of 103 mm, a focal length of 700 mm and a native focal ratio of 6.8.
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SkyWatcher APO Esprit 150 with Flattener
US$ 6,356.25

Esprit 150ED APO Triplet Apochromatic Refractor optical tube, 150mm diameter, 1050mm focal length, f/7 and equipped with field flattener, rigid case and accessories.
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SkyWatcher APO Esprit 120 with Flattener
US$ 3,265.98

Esprit 120ED APO Triplet Apochromatic Refractor optical tube, 120mm diameter, 840mm focal length, f/7 and equipped with field flattener, rigid case and accessories.
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$Artesky 80ED f/7 APO Refractor$ $Artesky 80ED f/7 APO Refractor$
Artesky 80ED f/7 APO Refractor
US$ 484.73

Artesky introduces the new line of APO ED refractors, the new 80mm doublet with 2 element objective, the first is a FCD1-B Ohara (Japan) element while the second is a Lanthanum element. It is possible to reduce it with a factor of 0.8x and bring it to a focal length of 450mm with factor F/5.6 or use it at full focal length with the 1x variable field flattener.
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$Artesky 102ED f/7 APO Refractor$ $Artesky 102ED f/7 APO Refractor$
Artesky 102ED f/7 APO Refractor
US$ 749.61

Artesky introduces the new line of APO ED refractors, the new 102mm doublet with 2 element objective, the first is a FCD1-B Ohara (Japan) element while the second is a Lanthanum element. It is possible to reduce it with a factor of 0.8x and bring it to a focal length of 570mm with factor F/5.6 or use it at full focal length with the 1x variable field flattener.
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Sharpstar 76EDPH 76mm FPL53 F/4.5
US$ 1,235.22

76mm triplet refractor FPL53 F/5.5 Sharpstar - Focal length 418mm - Focuser 2.5 "Rack & Pinion - Complete with 0.8x corrector reducer for dedicated FullFrame. The reducer takes the aperture to F/4.5
OUT OF STOCK
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Sharpstar 61EDPH-II 61mm FPL53 F/4.5
US$ 793.75

61mm FPL53 F/5.5 Sharpstar triplet refractor - Focal length 330mm - 2" Rack & Pinion focuser - Complete with 0.8x reducer for reduction to F/4.5 and focal length of 275mm
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$Askar FRA400 72mm f/5.6 Refractor$ $Askar FRA400 72mm f/5.6 Refractor$
Askar FRA400 72mm f/5.6 Refractor
US$ 1,235.22

Refractor 72mm flattened quintuplet Askar FRA400 focal length F / 5.6 - Correct image circle 44mm
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TS-Optics Doublet SD Apo 72 mm f/6 - FPL53
US$ 537.70
TS Photoline APO refractor wit 72 mm aperture and fast f/6 focal ratio, a great travel telescope for observation and astrophotography.

♦ Powerful, aberration-free apochromatic refractor with 72 mm aperture and 432 mm focal length.
♦ Fast focal ratio: f/6
♦ FPL53 doublet objective (Ohara Japan), air-spaced - additional lanthanum element, so no chromatic aberration
♦ 2.5" dual-speed rack-and-pinion focuser - ball bearing mounted for maximum load with M63x1 female thread for adaptions
♦ Retractable dew cap - the apo even fits into the hand luggage
♦ CNC tube rings with versatile dovetail bar - EQ5 style and with photo tripod connection.
♦ Findershoe on the focuser is included
♦ Weight only 2.18 kg - transport length only 31 cm
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SkyWatcher APO Esprit 80 with Flattener
US$ 1,632.55

Esprit 80ED APO Triplet Apochromatic Refractor optical tube with 80mm diameter, 400mm focal length, f/5 and equipped with field flattener, rigid case and accessories.
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SkyWatcher APO Esprit 100 with Flattener
US$ 2,471.34

Esprit 100ED APO Triplet Apochromatic Refractor optical tube with 100mm diameter, 550mm focal length, f/5.5 and equipped with field flattener, rigid case and accessories.
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TS-Optics 76EDPH - 6-element Flatfield Apo 76 mm aperture F/4.5
US$ 1,350.01
The powerful 6-element Apo with 76 mm aperture and 342 mm focal length has been developed by Teleskop-Service for astrophotography.

Aperture 76 mm
Focal length 342 mm
High focal ratio f/4.5 for short exposure times
Illuminated and corrected image field of 44 mm diameter - usable up to full format
Multi-coated FPL53 APO Triplet lens, free from false color
Screwed 3-element ED corrector with 55 mm working distance from the M48 camera connection
3" RAP rack and pinion focuser with 360° rotation possibility
2" and 1.25" connection for observation are included - 1.25" and 2" accessories can be used
2" nebula filters can be screwed into the corrector
CNC tube rings with handle, viewfinder shoe and V-style dovetail bar are included in delivery
The handle offers adaptation options for guide scope or camera
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