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Telescopes > TS Optics > Photoline > TS Optics Apochromatic refractor AP 90/600 ED Triplet Photoline OTA
Product no.: 51015

Apochromatic refractor AP 90/600 ED Triplet Photoline OTA

RRP: $ 1,600.00 Our price:
$ 1,410.00 incl. VAT plus shipping costs
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Product description

Similar to illustration: Delivery without prism rail

The three-lens Apo has one of the best triplet lenses and a photographically optimised CNC focuser with rack and pinion according to the Starlight Feather Touch principle.

The tube has two screw-off segments, allowing three focus positions to be achieved behind the focuser. The result is a travel apochromat with colour-pure images and optimal spherical correction. The Apo offers better illumination than almost any other refractor of this aperture.

The objective of the Triplet Apo: The objective provides colour-pure images and meets the criteria of a full apo. The objective also offers the best possible spherical correction. The apo element comes from Ohara (Japan). The multi-coated triplet objective is in an adjustable mount and naturally has an air gap.

Split tube: The screw-off tube segments allow the use of any accessories, from binocular heads with 2" diagonal mirrors to correctors and reducer correctors. The focuser is always in the optimal position. This also guarantees the best possible field sharpness. When the focuser is in extreme positions, there is always a risk of tilting.

  • Shortest position: transport, M63 Riccardi reducer, binocular observation with 2" diagonal mirrors without glass path compensation
  • Middle position: Suitable for 2.5" TS flatteners for full-frame sensors
  • Longest position: Suitable for 2" TS flatteners and for classic visual use

Tubes with screw-off segments can be manufactured with extreme precision. The accuracy achieved by CNC manufacturing is just as high as that of precision adaptors with screw connections, for example. There is no risk of tilting, unlike adaptors that allow the focuser to be moved, for example.

Photographic use: One telescope, two focal lengths:

  • Focal length 450 mm / aperture ratio f/4.9 with RICCARDI reducer: The flexible focus position provided by the modular tube allows the use of the excellent 0.75x Riccardi reducer. The focal length is reduced to 450 mm and the light intensity increased to f/4.9. Sensors up to 42 mm in diameter are fully illuminated.
  • Focal length 600 mm / aperture ratio f/6.6 with 2.5" full-frame flattener – ideal for larger sensors: With the TS 2.5" full-frame flattener, you can achieve 100% illumination even with full-frame sensors. The M63a-M68i adaptor is required to adapt the flattener to the focuser. One tube segment is unscrewed. The optimum distance from the M69 internal thread on the camera side to the camera sensor is 97 mm.

TS Optics is a brand of Teleskop-Service.

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)
90
Focal length (mm)
600
Aperture ratio (f/)
6,7
Resolving capacity
1,28
Limit value (mag)
11,6
Light gathering capacity
170
Max. useful magnification
180
Tube weight (kg)
4
tube diameter (mm)
116
Tube construction
Full tube
lens design
Triplet

Focuser


Connection ( to eyepiece)
2
Type of build
Gear rack
Free aperture (mm)
63,5
Motorized
no
Rotating
yes
Load capacity (kg)
6
Gear reduction
1:10 fine focusing
Connecting thread (telescope side)
M90x1
Connecting threaded socket (camera-side)
M63x1
Adjustment range (mm)
65

Mount


Mounting type
no mount
GoTo control
no
Type of build
OTA

Included accessories


Transport cases
yes
Dew Shield
yes
Tube clamps
yes
Prism rail
without
Deviating optics
no
Corrector
without
finder base
Vixen/Skywatcher Level
Finder scope
without
Eyepiece adaptor
2" / 1.25"

General


Series
Photoline

Area of application


Astrophotography
yes

Recommended for


Beginners
no
Advanced
yes
Observatories
no

Product safety

Manufacturer: Teleskop-Service Ransburg GmbH, Von-Myra-Straße 8, 85599 Parsdorf, DE, www.teleskop-express.de

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*All prices include VAT plus shipping costs.

TS Optics Apochromatic refractor AP 90/600 ED Triplet Photoline OTA
Split tube: Adapt the telescope perfectly to your intended use.
TS Optics Apochromatic refractor AP 90/600 ED Triplet Photoline OTA
Drawtube

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