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Astronomy > Telescopes > William Optics > ZenithStar > William Optics Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
Product no.: 67479

Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA

RRP: $ 990.00 Our price:
$ 870.00 incl. VAT, plus shipping costs
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in stock
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Express shipment possible for delivery the day after tomorrow, 30.03.2024!
This product is available in the following variants:
Colour Price
gold $ 980.00
red $ 870.00
silver $ 1,040.00

Product description

More about the series ZenithStar...

Z 61: Small can be this beautiful

The new ZenithStar 61 and William Optics’ most versatile and lightest weight apochromats.

Its clear optics allow high magnifications and sharp imaging during astrophotography and nature photography using any SLR camera. Thanks to its large visual field, the entire Moon or (with a filter) the Sun can be viewed at once. A special flattener for photography is available in the accessories section.

The FPL-53 glass, which is built into the ZenithStar 61's lens, has considerably better dispersion properties than the previously used FPL-51 (ED). FPL-53 is very close to fluoride glass in terms of quality but is considerably cheaper. Therefore, FPL-53 is sometimes also referred to as synthetic fluoride.

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.
  • We also provide an edition of the exciting astronomy magazine, “Sterne und Weltraum” with each telescope.

Specifications

Optics


Type
Refractor
lens design
Doublet
Tube weight (kg)
2,2
Resolving capacity
1,89
Type of build
Apochromat
Focal length (mm)
360
Limit value (mag)
10,7
Light gathering capacity
80
Max. useful magnification
122
Aperture (mm)
61
Aperture ratio (f/)
5,9
Tube material
Aluminium
Tube length (mm)
315
Carrying length (mm)
245
Tube construction
Full tube
Fully Corrected Field (mm)
43
Coating
SMC multi-coating

Focuser


Gear reduction
1:10 Fine movement
Adjustment range (mm)
75
Type of build
Gear rack
Free aperture (mm)
51
Connecting threaded socket (camera-side)
M48
Connection ( to eyepiece)
2

Mount


Mounting type
no mount
Type of build
OTA

Included accessories


Dew Shield
yes
Corrector
without
Tube clamps
yes
Prism rail
Arca-Swiss & Vixen-Style
Finder scope
no
Deviating optics
no
Eyepiece adaptor
1,25" - 2"
Transport cases
no
Thread for camera tripod
1/4" & 3/8"
Carry case
yes

General


Series
ZenithStar
Colour
red

Area of application


Astrophotography
yes (very good)
Nature Observation
yes

Recommended for


Beginners
no
Advanced
yes
Observatories
no

Recommended accessories

Media (3)
Star chart

Omegon Star chart Planisphere

$ 14.90*
Outdoor (2)
Headlamp

Omegon LED headlamp

$ 13.90*
Astronomy > Telescope accessories (4)
Camera adaptor

Omegon Camera adaptor T2-Ring compatible with Canon EOS

$ 19.90*
Astronomy > Other (1)
Eyepiece

Omegon Flatfield ED eyepiece 5mm 1,25''

$ 99.00*
Solar Observation (2)

Baader Sun filter foil 20 x 29 cm

$ 31.90*
Maintenance & Cleaning > Lens cleaners (3)

Omegon 7-in-1 lens cleaning set

$ 19.90*
Maintenance & Cleaning > Other (2)

Omegon microfibre cleaning cloth 20cm x 20cm

$ 4.90*
Miscellaneous (1)

Star In A Star Moon Hat

$ 17.90*

*All prices include VAT plus shipping costs.

William Optics Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
Backfocus
William Optics Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
Finder mounting bracket included
William Optics Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
Adjustment range
William Optics Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
Bahtinov focus mask

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