Askar 50P 50/190 f/3,8 astography otas and lenses opinie

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Askar 50P 50/190 f/3.8 APO Petzval Astrograph is a compact wide-field telescope designed for astrophotography. With a 50 mm aperture, 190 mm focal length, and fast f/3.8 focal ratio, the instrument delivers a wide field of view and short exposure times. The optical system uses a quadruplet Petzval APO design with an SD glass element, providing excellent image quality and built-in field correction without the need for an additional field flattener. The telescope supports APS-C sensors (optimized for 1" sensors), making it a practical solution for portable astrophotography setups and as a secondary imaging scope.

Key features

• compact wide-field astrograph for deep-sky astrophotography
• fast f/3.8 focal ratio enabling shorter exposure times
• quadruplet Petzval APO optical design with SD glass element
• self-flattening optical system – no external field flattener required
• supports sensors up to APS-C format (optimized for 1")
• integrated focusing ring compatible with electronic focus motors
• 360° camera rotator with scale and locking screw
• front M52 filter thread and built-in 2" filter thread
• M54 to M48 adapter with M48 × 0.75 camera thread
• integrated tube ring with carrying handle and Arca-Swiss slot
• dual finder bases and multiple M4 accessory threads
• reversible quick-release dew shield

Box contents

• Askar 50P optical tube assembly
• integrated tube ring with handle
• 160 mm Vixen dovetail plate
• dew shield
• M54 to M48 adapter
• protective caps
• manual

Technical specifications

• aperture: 50 mm
• focal length: 190 mm
• focal ratio: f/3.8
• optical design: quadruplet Petzval APO (4 elements)
• special glass: SD element
• supported image format: APS-C (optimized for 1")
• front filter thread: M52
• camera thread: M48 × 0.75
• built-in filter thread: 2"
• recommended backfocus: 55 mm (50–65 mm range supported)
• camera rotator: 360°
• OTA length: 147 mm (dew shield retracted), 182 mm (extended)
• weight: approx. 1.4 kg (with tube ring and dovetail)
• mount connection: 160 mm Vixen dovetail

Thanks to its lightweight design and fast optics, the Askar 50P is an excellent choice for wide-field astrophotography, portable imaging setups, and as a guiding or secondary telescope in advanced astrophotography systems.