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Astronomy > Telescopes > APM > APM Apochromatic refractor AP 140/980 SD 140 F7 OTA
Product no.: 53467

Apochromatic refractor AP 140/980 SD 140 F7 OTA

$ 3,530.00 incl. VAT plus shipping costs
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Product description

The AP 140/980 optics: The telescope features a Doublet optics with SD glass, one lens of which is made of FPL-53 to achieve maximum performance. This innovative combination results in colour correction that is far above the norm in this price category. Each lens undergoes an interferometric test at 532 nm (green) before shipping!

The observation of close double stars with high contrast and detailed planetary observations are a real pleasure with this instrument! Due to its relatively low weight, it can also be used on compact mounts. The telescope is a true allrounder!

The 2.5" focuser with rack and pinion drive and 1:10 reduction remains stable even under high loads and is very well suited for photography. The attention to detail can also be found in the included eyepiece adaptor, which has a completely new design that clamps the eyepiece evenly and thus works much better than conventional adaptors with a simple brass clamp ring and screw.

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
Free aperture (mm)
140
Focal length (mm)
980
Aperture ratio (f/)
7
Resolving capacity
0,82
Limit value (mag)
12,5
Light gathering capacity
400
Max. useful magnification
280
Tube material
Aluminium
Tube weight (kg)
8,8
Tube length (mm)
1030
tube diameter (mm)
152
Coating
multiple
Tube construction
Full tube
lens design
Doublet

Focuser

Backfocus (mm)
180
Type of build
Gear rack
Free aperture (mm)
64
Rotating
yes
Gear reduction
1:10 fine focusing

Mount

Type of build
OTA
Mounting type
no mount
GoTo control
no

Included accessories

Tube clamps
yes
Transport cases
no
Finder scope
without
finder base
Vixen/Skywatcher Level
Eyepiece adaptor
2" / 1.25"
Carrying handle
yes
Dew Shield
yes
Prism rail
Losmandy-Style

Area of application

Astrophotography
yes
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: APM Telescopes - Markus Ludes, Quierschieder Weg 38, 66280 Sulzbach, DE, www.apm-telescopes.de
Product safety

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*All prices include VAT plus shipping costs.

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APM Apochromatic refractor AP 140/980 SD 140 F7 OTA
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