Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.
Askar FRA400 400/5,6 APO fi 72 mm
2202.86 $ net price (non-EU countries)
Anatolii Livashevskyi
Product Manager
/ 
+48721808900
+48721808900
+48721808900
[email protected]
Description
Askar FRA400 400/5.6 APO Telescope - Premium Apochromatic Astrograph
The Askar FRA400 400/5.6 APO Telescope is a remarkable instrument designed specifically for astrophotography enthusiasts. Part of the renowned Askar FRA series, this model offers exceptional optical and mechanical performance with a built-in field corrector, making it an ideal choice for capturing breathtaking astrophotographs.
Featuring a sophisticated optical system with two groups of five lenses, the FRA400 utilizes two low-dispersion glass elements to effectively minimize chromatic aberration, ensuring superior image clarity. The application of multilayer anti-reflective coatings further enhances contrast, allowing for stunningly detailed photographs of the night sky.
With an impressive focal ratio of f/5.6, which can be further increased using an optional focal length reducer, this telescope is meticulously engineered for both mechanical and optical excellence. It boasts a robust 3" focuser tube with a microfocuser and a large illuminated circle that fully covers the frames of cameras equipped with full-frame sensors.
Key Features of the Askar FRA400 400/5.6 APO Optical Tube:
- Apochromatic quintuplet design with two ED glass elements and a built-in field corrector
- Sturdy 3" focuser tube ensuring stability and precise alignment even with heavy DSLRs
- Ample diameter of the illuminated circle for full-frame sensor coverage
Technical Specifications:
- Optical system: ED-APO apochromatic quintuplet with air gap
- Number of ED glass elements: 2
- Objective diameter: 72 mm
- Focal length: 400 mm
- Maximum usable magnification: 144x
- Focal ratio: f/5.6
- Resolving power: 1.66"
- Stellar magnitude range: 11.3 mag
- Anti-reflective coating: Full multi-layer coating (FMC)
- Diameter of the illuminated circle: 44 mm
- Built-in field corrector: Yes
- Back focus: 140 mm
- Focuser diameter: 3", reducible to 2" and 1.25"
- Type of focuser: Rack & pinion with 10:1 microfocusing and 360° rotation capability
- Camera or eyepiece adapter: M68x1 - M48x0.75, 63.5 mm long
- Length of optical tube: 317 mm
- Tube diameter: 90 mm
- Tube weight: 2.56 kg
- Weight with accessories: 2.88 kg
Included Accessories:
- Askar FRA400 400/5.6 APO optical tube
- Mounting rings
- Carrying handle
- Vixen-style dovetail plate
- M68/2" eyepiece adapter
- 2"/1.25" reducer
- M68/M48 adapter
- Documentation
Warranty:
The Askar FRA400 400/5.6 APO telescope comes with a comprehensive 24-month warranty, ensuring peace of mind as you embark on your astrophotography journey.
Data sheet
Official permits of the Ministry of Development and Technology
Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.