Manufacturer: Askar Sharpstar
Product number: FMA180

EUR 429,90RRP EUR 469,00you save 8.3% (EUR 39,10)


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rating: 5.0 of 5
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Askar FMA180 Astrograph and Triplet Apo
The FMA180 from Askar is an almost pure color triplet APO refractor with two special ED glasses for excellent correction. The high-quality optics produce a very (though not perfectly) pure colour and high-contrast image and meet high demands in astrophotography and observation.

With the special F4.5 full-frame corrector, the ASKAR FMA180 with 40 mm aperture and 220 mm (f/4.5) focal length becomes a professional APO telephoto lens with 180 mm focal length for both landscape and astrophotography. The internal blackening and the elaborate multi-coating ensure high-contrast and brilliant images without reflections even under difficult lighting conditions. The use of 2" nebula filters is also possible, thanks to the filter thread in front of the lens.

The FMA 180 mm f/4.5 as telephoto lens
The manual APO telephoto lens is corrected up to full frame size. Starting with the T2 thread you have a working distance of 55 mm. Ideal for system cameras, DSLR and of course astro cameras. The telephoto lens is so compact that it can also be used handheld. The high speed of f/4.5 allows short exposure times even under difficult lighting conditions.

The FMA 180 f/4.5 as an astrograph
Astrophotographers will be delighted with the compact telephoto lens. Stars up to the edge of the image are shown crisply sharp. With 55 mm working distance you can connect all common cameras. The distance can be extended to 99 mm. The multi-functional mount allows easy adaptation to the finder shoe of your telescope or to an attachable camera mount via the 1/4" female thread.

Astrophotographic results obtained with this telescope on Astrobin
Here you can find some astrophotographs made with this telescope model: Link to Astrobin

{The FMA 180 as APO refractor and mini guide scope
The lens provides sufficient working distance for a 1.25" star diagonal mirror and standard 1.25" eyepieces. You can make wonderful wide-field observations or simply connect an autoguider and track your telescope cleanly.

The FMA 180 as spotting scope
The high-contrast optics allow exciting animal and landscape observations. With just a few simple steps, you can turn the telephoto lens into a compact and crisply sharp spotting scope. You can use all common photo tripods, the adapter is already included.
Aperture:40 mm
Objective:Air-spaced triplet APO objective (2 special glasses)
Focal length of the objective:220 mm
Reducer:3-element reducer and corrector for photography
Photographic focal ratio:f/4.5 with corrector
Length:145 mm
Weight:395 grams
Camera connection:M42x0.75 thread
Working distance:55 mm from the M48 thread
Visual connection:1.25"
Filterthread:M48x0,75 female thread for 2" filters in front of the objective
Askar 180 mm triplet lens in tube
Helical focuser
Corrector and reducer
2x extension tube (M42x0.75 - T2 thread)
1.25" adapter
Adjustable tube rings with universal adapter plate
Multifunctional adapter for finder shoe and photo tripod and Arca-Swiss style mount

Astrophotographic results obtained with this telescope on Astrobin
Here you can find some astrophotographs made with this telescope model: Link to Astrobin


ASKAR FMA180 APO - First Light - by H. Jürgen Mainka
As always a super service, prompt answers and the delivery very fast, Sunday ordered and Tuesday it was already there.

To the item: Askar 180 mm f/4.5 APO

I am totally enthusiastic about this baby APO, pinpoint stars up to the corners and full illumination with my APS-C format camera (chip diagonal 28.3mm), I don´t have full-frame format, but it should fit for it.

Stars are without color fringe and tack-sharp.
Adapters for all possible versions to mount the APO are included, with the Arca-Swiss style bar I could mount the APO directly on my mount with Vixen style.


Comet Neowise
Taken on 22.07.2020
317 images each with 8 seconds exposure time
Camera ZWO ASI 2600MC-Pro Color cooled
stacked on comet with DeepSkyStacker
Post-processing with AstroPixelProcessor and Adobe Photoshop CC 2020






NGC 7000 and IC 5070
Taken on 24.07.2020
615 images with 8 seconds exposure time each
Camera ZWO ASI 2600MC-Pro Color cooled
Live stacking with SharpCap Pro
Post-processing with PixInsight and Adobe Photoshop CC 2020






Askar FMA180 APO telephoto lens - first-light photograph by Robert Reischl
The first "correct" shot (not just test for correct setting) of our customer Robert Reischl (here his Instagram site) already looks very good:

NGC 7000 - North America Nebula
Author: Robert Reischl
Taken: 20.08.2020
Exposure: 20 frames with 60 seconds exposure time each
ISO: 3200
Camera: EOS RP
Optics: Askar 180 mm F/4.5
Mount: Star Adventurer Mini
Post-processing: PixInsight & Luminar 4






Askar FMA180 APO Telephoto Lens - Test image by Stephan Vier
This photo was intended as a simple test on the part of our customer Stephan Vier and was taken out of the light dome of Cologne:

NGC 1893 - open cluster in IC 410
Author: Stephan Vier
Exposure: 135 frames at 60 seconds exposure time @ 200 ASA
Optics: Askar 180 mm F/4.5
Filter: Inexpensive CLS
Camera: Nikon D530
Mount: Star Adventurer GTI
Postprocessing with, among others: SIRIL

Here is the report of the customer:


"Good morning.

I recently bought the small Askar Apo 180FMA from you and am absolutely thrilled.
I would like to send you a small field report:

I have treated myself to the small Askar 40/180 for wide field images and am completely in love with the dwarf.
Here is a small statement about the small telescope.

The small APO is packaged Apple-like, a tightly fitting cardboard box protects the dwarf in an exemplary manner and unpacking it is already fun.
The first thing that comes to light is the optics in basic configuration. In this configuration, it is immediately ready for photographic use with a DSLR and comes with 40/180 to a quick focal ratio of f4.5, which is great.
Furthermore, you will find different (screwable!) extension tubes to configure the good piece variably incl. 1.25 connection.
So you can use the FMA as a mini telescope, finder or guiding scope. And all this in absolutely convincing quality.
At the bottom of the box are then still the tube rings and other mounting accessories available. There is everything with what you need.
In addition, there is a 2" thread in front of the lens for filters, etc.
The workmanship is already top, now it will be interesting: how does the small optics?
As I think, great!
The screwed-in flattener does its job as it should and the part also does not produce color, or for me not noticeable.
The first test took place yesterday evening from my Cologne light dome.
Quickly attached my original Nikon D5300 via T2 ring and off I went with it on the SA GTI.

Important: I did a filter test at the same time and screwed on a fairly inexpensive CLS filter in front and put on a DIY spike mask.
I take already times in advance that the filter nothing botches and apparently actually brakes the city haze something. Since I first hardly expected something and yet get something ;) .

Since the 180 dwarf shows an enormous field, I stopped short on NGC 1893 and exposed at ISO 200 135x60 sec.
No darks, flats, biases.
The following image was stacked in SIRIL, green cast removed, photometric color calibration, minimally cropped, background extracted and somewhat stretched. Nothing has yet been sharpened, smoothed or edited out.
The image is intended to show the sharpness and general imaging performance of the small telescope. I will take the same picture again without filter and spikes, but I think you can see here how well the FMA performs.


Best regards
Stephan Vier"


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Reviews

Written by Jiri Rathousky
on 2022-11-19

"Good telephoto, very sharp images."

Written by Robert Reischl
on 2020-09-01

"In Verwendung mit EOS RP auf dem Star Adventurer Mini sind 1-min Belichtungszeiten auf Grund des geringen Gewichts des Setups kein Problem. Die Kombination ist super leicht für Wanderungen oder Reisen. Die Verarbeitung ist hochwertig. Der erste Eindruck zur Bildqualität ist sehr gut. Auch wenn die Sterne in den Ecken des FF-Sensors (noch) nicht perfekt sind."