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ZWO FF130 Flatfield APO Astrograph

Name: ZWO FF130 Flatfield APO Astrograph
Brand: ASI - ZWO
SKU: ZWO-FF130-APO
Price: 3866 EUR

This long focal ratio flatfield apochromat support 60 mm image circle and does not need calculations for backfocus. If the image is sharp, the field is flat.

130 mm aperture, 1000 mm focal length, f/7.7

Petzval like, self flattening design with two ED elements

3.4" dual speed focuser

2" and 1.25" receptacles, M68, M54 and M48 threads

Retractable dew shield

Losmandy style dovetail bar

Handle

Vixen type finder base

Manufacturer: ASI - ZWO

Product number: ZWO-FF130-APO

EUR 3.866,00RRP EUR 4.898,00you save 21.1% (EUR 1.032,00)

incl. 19 % VAT (DE)

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excl. 8.95 € shipping costs (DE)

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ZWO FF130 Flatfield APO Astrograph

This long focal ratio flatfield apochromat support 60 mm image circle and does not need calculations for backfocus. If the image is sharp, the field is flat.

130 mm aperture, 1000 mm focal length, f/7.7

Petzval like, self flattening design with two ED elements

3.4" dual speed focuser

2" and 1.25" receptacles, M68, M54 and M48 threads

Retractable dew shield

Losmandy style dovetail bar

Handle

Vixen type finder base

Details..
Technical data..
In the box..
Reviews..
Manufacturer infos..
Safety informations..

ZWO 130 mm f/7 APO Astrograph

The FF130 is a flatfield astrograph that joins the series that also includes the FF65, FF80 and FF107 models.

Optical Design

Instead of buying additional flatteners, calculating the backfocus of the flattener, or making a tedious connection to set the correct distance, astrophotographers can simply equip this apochromat with all sorts of photographic accessories, hold the object in focus, and then the entire optical system is perfectly set for imaging.

High quality glass

The FF130 has a focal ratio of f/7.7 and a focal length of 740 mm. The FF130 is a quadruplet design with two ED glasses, which provides excellent control of chromatic and other aberrations. With its self-flattening design, the FF130 offers great advantages in astronomical imaging. It offers more than full-frame image circle and has a fine spot diagram with only tiny distortions of peripheral stars.

Practical Details

The FF130 comes with a retractable dew shield, a high-quality CNC-machined and painted tube, and decoratively designed parts. The OTA weighs 10.5 kg, and the total package with tube clamps, etc. weighs 12.5 kg. The sturdy 3.4" focuser comes with a 360° rotator with scales and a finder shoe. M86, M68, M54 and M48 camera adapters are also included, and the M48 adapter has a female M48 thread for installing 2" filters.

Backfocus is always measured with the draw tube fully retracted:

116 mm from M48x0.75 male thread

136 mm as of M54x0.75 male thread

156 mm as of M68x1 male thread

186 mm as of M86x1 male thread

Aperture size:	130 mm
Focal length:	1000 mm
Focal ratio:	f/7.7
Objective lens:	Air-spaced quadruplet apo, consisting of a triplet (including two ED glasses) and a single element
Image circle:	60 mm
Eyepiece connections:	2", 1.25"
Focuser:	3.4" dual-speed rack and pinion, max. load 8 kg
Focuser travel:	95 mm
Visual back-focus with focuser fully retreated:	148.5 mm (from the end of 2" eyepiece holder)
Rear-end threads:	M86x1 male, M68×1 male, M54×0.75 male, M48×0.75 male
Rear-end filter adapter:	M54×0.75-M48×0.75 (M48×0.75 filter thread inside)
Photographic back-focus from base with focuser fully retreated:	186 mm (from M86×1 thread), 156 mm (from M68×1 thread), 136 mm (from M54×0.75 thread), 116 mm (from M48×0.75 thread)
Dew shield diameter:	169 mm front, 162 mm back
Tube diameter:	146 mm
Total length with 1.25" receptacle:	842.5 mm / 889.5 mm (dew shield retracted / fully stretched)
Total length with 4-piece adapter:	1011.5 mm / 1061.5 mm (dew shield retracted / fully stretched)
Finder base:	Vixen finder shoe
Mount connection:	Losmandy style dovetail plate
Net weight:	10.2 kg
Gross weight:	12.5 kg

FF130 OTA with adapter M86 to 2"

Adapter 2" to 1.25"

Pair of tube rings

Handle

Losmandy style 300 mm dovetail plate

Set of 4-piece photographic adapters

User manual

Transport case

Astrophotographic results obtained with this telescope on Astrobin

Here you can find some astrophotographs made with an identical telescope model: Link to Astrobin

Manufacturer / Importeur:	Teleskop-Service Ransburg GmbH
Street:	Von-Myra-Str. 8
ZIP / City:	85599 Parsdorf
Country:	Germany
Telefon number:	+49 89 99228750
Email:	info@teleskop-service.de
Website:	www.teleskop-service.de