Rifrattore doppietto APO ED 140 f/7 FPL53 APM

APM140-7-2.5ZTA

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Rifrattore doppietto APO ED 140 f/7 FPL53 APM 

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2 990,00 € .

Il rifrattore doppietto APO ED 140 f/7 FPL53 APM è un prodotto di altissima qualità ad un presso decisamente abbordabile!

The new APM 140mm f/980mm Doublet is a mold breaker with high quality. We have painstakingly engineered an optical and tube solution to bring you APM quality at an unheard price. The new 140- SD Apo features a Doublet lens cell using SD glass FPL-53 to maximize performance. Our innovative combination of materials and design has resulted in optical performance far beyond the normal for a telescope of this price. As with all APM telescopes consistency is assured and each telescope goes through an interferometrical test at the 532nm (green) wavelength before shipping.


With 980mm focal length, the 140-SD Apo is an impressive all-rounder. From intricate double star observing to high contrast detailed planetary views, this new scope will introduce a whole new group of Astronomy enthusiasts to APM quality.

Traditional APM quality has been applied in all areas. The new 2.5" focuser is a Rack and Pinion type, with 1:10 focusing. It remains rigid under high loads making it suitable for imaging. The attention to detail extends to areas like the 2" and 1.25" eyepiece adapters. These use a new design of collar clamp, far superior to the common brass compression rings found on lesser designs. Of course, if you would like to use a Starlight Instruments Feather Touch (model FTF3035B-A) then this can be supplied as an option, for that reason the tube end has an thread M109 x 1 and M95 x 1 to accept a 3" or 2.5" Starlight focuser.

Imaging accessories for the 140-980 include a 2.5" (Order Nr. TSFlat2,5) field flattener which maintains focal length. There is also a dedicated Massimo Riccardi designed APM Reducer. This changes the focal length by a factor of x0.75, resulting in a 735mm focal length and fast f5.25 aperture.

With the new 140 mm SD Apo we believe we have created an Apochromatic Refractor of incomparable performance and value in its category.

Delivery contains:

  • Optical Tube
  • 1 Pair of Tuberings
  • 2,5" Focuser with 1:10 Microfocusing
  • Vixen-Style Dovetail
  • Shoe for Finderbracket

Specifications:

Type of telescope:
Doublet ED-Apochromat
Lens:
Doublet ED Apo with FPL-53 Element
Color:
black / white
Tube material:
Aluminium
Aperture:
140 mm
Focal ratio:
f/7
Focal length:
980 mm
Coating:
Multicoated
Resolution:
0.83"
Limit value:
12.5 mag
Max. useful visual power:
280 x
Backfokus:
180 mm
Focuser:
2.5" APM Focuser, 360° rotatable, with 1:10 Micro Focusing
Connection to eyepiece:
2" / 1 1/4" with adapter
Viewfinder:
none supplied
Tube diameter:
152 mm
Length during observing:
1030 mm
Transportation length:
830 mm
Dewcap diameter:
186 mm
Length of dewcap:
290 mm
Tube weight:
19.38 lb incl. Tuberings

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Rifrattore doppietto APO ED 140 f/7 FPL53 APM

Rifrattore doppietto APO ED 140 f/7 FPL53 APM

Rifrattore doppietto APO ED 140 f/7 FPL53 APM 

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