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Astronomy > Telescopes > ZWO > ZWO Apochromatic refractor FF65 AP 65/416 Quintuplet OTA
Product no.: 84191

Apochromatic refractor FF65 AP 65/416 Quintuplet OTA

RRP: $ 1,600.00 Our price:
$ 1,200.00 incl. VAT plus shipping costs
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  • 5-element system with colour-correct triplet objective and two ED correction lenses
  • Illumination up to full format
  • Includes three camera adaptors
  • Generous working distance for observation and photography

Product description

ZWO offers a 1-year warranty on the FF65 / 80 / 130 apochromats of the FF series.

The FF65 is a Flatfield Astrograph with an aperture ratio of f/6.4 and a focal length of 416 mm.

Instead of the quadruplet construction of the other ZWO FF apochromats, the FF65 is a quintuplet with two ED lenses, which allows for excellent control of chromatic and other aberrations. With its self-levelling design, the FF65 offers great advantages for astrophotography. It has illumination for full-frame cameras and a fine spot diagram with only tiny distortions of the peripheral stars.

Optical design

Instead of buying additional flatteners, calculating the back focus of the flattener or setting the correct distance, you can simply equip this apochromat with various photographic accessories, keep the object in focus and the entire optical system is perfectly set up for shooting.

The FF65 comes with an extendable dew shield, a Vixen/GP viewfinder shoe, a prism rail, tube clamps with handle and various camera adaptors (M48, M54, M68).

The respective back focus applies to these adaptors:

176 mm from M48x0.75 external thread

105 mm from M54x0.75 external thread

130 mm from M68x1 external thread

Specifications

Optics


Type
Refractor
Type of build
Apochromat
Aperture (mm)
65
Focal length (mm)
416
Aperture ratio (f/)
6,4
Resolving capacity
2,12
Limit value (mag)
12,3
Light gathering capacity
90
Max. useful magnification
130
Tube material
Aluminium
Tube weight (kg)
2,8
tube diameter (mm)
74
Stray light baffles in the OTA
yes
Tube construction
Full tube
lens design
Quintuplet
Coating
FMC
Fully Corrected Field (mm)
44
Carrying length (mm)
328
Tube length (mm)
420

Focuser


Type of build
Gear rack
Gear reduction
1:10 fine focusing
Rotating
yes
Connection ( to eyepiece)
2
Connecting threaded socket (camera-side)
M48x0,75 / M54x0,75 / M68x1,0
Adjustment range (mm)
100
Backfocus (mm)
121
Connecting thread (telescope side)
2,5
Ring clamp
yes

Mount


Mounting type
no mount
GoTo control
no
Type of build
OTA

Included accessories


Prism rail
Vixen-Style
Tube clamps
yes
Dew Shield
yes
Transport cases
no
Deviating optics
no
Finder scope
without
Carrying handle
yes
finder base
Vixen/Skywatcher Level
Corrector
integrated
Eyepiece adaptor
1,25" & 2"
Miscellaneous
Camera adaptor

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

Product safety

Manufacturer: Suzhou ZWO Co., Ltd., Moon bay road 6, SuZhou Industrial Park, 215123 SuZhou, CN, www.zwoastro.com
Responsible person: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, [email protected]

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*All prices include VAT plus shipping costs.

ZWO Apochromatic refractor FF65 AP 65/416 Quintuplet OTA
ZWO Apochromatic refractor FF65 AP 65/416 Quintuplet OTA
ZWO Apochromatic refractor FF65 AP 65/416 Quintuplet OTA
ZWO Apochromatic refractor FF65 AP 65/416 Quintuplet OTA
ZWO Apochromatic refractor FF65 AP 65/416 Quintuplet OTA
ZWO Apochromatic refractor FF65 AP 65/416 Quintuplet OTA
ZWO Apochromatic refractor FF65 AP 65/416 Quintuplet OTA

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