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Astronomy > Telescopes > Askar > Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA

Askar

Product no.: 83301

Apochromatic refractor AP 71/490 Flat-Field 71F OTA

$ 840.00 incl. VAT plus shipping costs

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Optimised for astrophotography

Product questions?

advice for Astronomy

Product description

It not only matters which telescope you buy but also where you buy it. Our additional services:

We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.

Specifications

Optics

Type

Refractor

Type of build

Apochromat

Aperture (mm)

71

Focal length (mm)

490

Aperture ratio (f/)

6,9

Resolving capacity

1,94

Limit value (mag)

12,3

Light gathering capacity

100

Max. useful magnification

142

lens design

Quadruplet

Tube weight (kg)

3,0

dew cap diameter (mm)

93

Fully Corrected Field (mm)

44

Focuser

Type of build

rack and pinion

Connection ( to eyepiece)

2

Motorized

no

Ring clamp

yes

Gear reduction

1:10 fine focusing

Adjustment range (mm)

111

Tilting Adaptor

no

Rotating

yes

Mount

Type of build

OTA

Mounting type

no mount

Included accessories

Dew Shield

yes

Deviating optics

Amici prism, 1.25", 45°

Corrector

integrated

Prism rail

Vixen-Style

Carrying handle

yes

Extension tubes

yes

Transport cases

no

Carry case

no

finder base

Vixen/Skywatcher Level

Eyepiece adaptor

1,25" & 2"

Tube clamps

yes

Test protocol

yes (certificate)

General

Variant name

Flat-Field

Special recommendation

yes

Area of application

Astrophotography

yes (very good)

Moon & Planets

yes

Nature Observation

no

Nebulae & galaxies

yes

Sun

no (Only with appropriate Sun filter)

Recommended for

Beginners

no

Advanced

yes

Observatories

no

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Product safety

manufacturer: SHARPSTAR OPTICS CO.,LTD, 3/F, No.5 building , Science and Technology Center, No.79 Jin-Sui Road,, 314001 Zhe-Jiang, CN, http://www.sharpstar-optics.com

resp_person: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, [email protected]

Product safety

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

$Askar Apochromatic refractor AP 71/490 Flat-Field 71F OTA$

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