Askar FMA180 Pro Review: Unlocking the Universe with Precision

Astrophotography enthusiasts and astronomers searching for a high-performance, budget-friendly optical instrument need not look further – the ASKAR FMA180 Pro is here to revolutionize wide-field imaging and observation. In this comprehensive review, we delve into the key features, upgrades, specifications, and user experiences that make the FMA180 Pro a compelling choice in the world of astrophotography.

Quick Overview

The ASKAR FMA180 Pro is a 40mm aperture apochromatic telescope/camera lens, showcasing a three-element objective lens with two Extra-low Dispersion (ED) elements for exceptional color correction and image quality. What sets this optical marvel apart is its built-in three-element focal reducer, resulting in a final focal length of 180mm at f/4.5 – ideal for wide-field astronomical imaging. The inclusion of a Vixen-style telescope dovetail rail and finder/accessory dovetail base adds to its versatility.

Product Details

Upgrades vs. Original FMA180

Askar has taken a successful formula and made it even better with the FMA180 Pro. The key upgrades include:

• Marked 360º Rotator: Enhances precision and flexibility in framing shots.
• One-Piece Internal Focus System: Improves stability and overall performance.
• New Finder Base: Facilitates the attachment of accessories like the ASIAIR.
• Improved Longer Vixen-style Dovetail: Adds stability and compatibility.
• Upgraded Metal Knurled Thumbscrews: Ensures secure and easy adjustments.
• Larger M48x0.75 Rear Threads: Accommodates filter thread adapter for 2" filters.

Optical Excellence

The heart of the FMA180 Pro is a meticulously designed air-spaced 40mm apochromatic f/5.5 triplet with two ED elements, minimizing chromatic aberration. Paired with the three-element focal reducer, the overall focal ratio transforms to f/4.5, offering a focal length of 180mm. This combination ensures superb image quality, making the FMA180 Pro a premium choice for wide-field astronomical or terrestrial imaging.

Design and Construction

The FMA180 Pro introduces a Vixen-style finder base and a 360° rotator, enhancing usability and framing options. The internal focusing system promotes stability, turning the FMA180 Pro into a high-quality, compact astrograph. While it operates solely at f/4.5, the trade-off is a robust design that accommodates diverse imaging needs.

Compatibility and Versatility

The FMA180 Pro maintains compatibility with most cooled astronomy cameras, thanks to its standard 55mm back focus. The M48x0.75 male thread at the rear end allows seamless integration with cameras, while the internal M48x0.75 female thread facilitates the use of standard 2" astronomy filters. The inclusion of adapters and accessories adds to the telescope's versatility.

User Insights: Real-world Experiences

Feedback from users who transitioned from the original FMA180 to the Pro model has been positive. The enhanced rotator, internal focus system, and improved dovetail contribute to a more user-friendly and integrated experience. Users appreciate the stability and practicality added to an already impressive optical instrument.

Specifications and Technical Details

Aperture: 40mm

The FMA180 Pro boasts a generous 40mm aperture, allowing for impressive light-gathering capabilities. This feature is crucial for capturing clear and detailed images of celestial objects, especially in low-light conditions.

Focal Length: 180mm

With a focal length of 180mm, this apochromatic telescope provides a balance between wide-field imaging and capturing intricate details. Astrophotographers will appreciate the versatility offered by the FMA180 Pro, making it suitable for various celestial targets.

Focus Ratio: f/4.5

Operating at a fast focal ratio of f/4.5, this telescope is optimized for wide-field astrophotography. The reduced exposure times and increased field of view make it an ideal choice for capturing expansive sections of the night sky.

Objective Type: Triplet Dual ED Air-spaced APO; Sextuplet Refractor

The FMA180 Pro's optical design includes a triplet air-spaced apochromatic lens with two ED elements, effectively minimizing chromatic aberration. Additionally, its sextuplet refractor configuration further enhances image quality, making it a reliable tool for astrophotography.

Back Focus: 55mm

With a standard back focus of 55mm, the FMA180 Pro ensures compatibility with most cooled astronomy cameras right out of the box. This feature simplifies the setup process, allowing users to seamlessly integrate their preferred camera system.

Image Circle Size: 44mm

The telescope's generous 44mm image circle provides ample coverage, accommodating large sensors and ensuring uniform image quality across the frame. This is particularly advantageous when capturing wide-field views of celestial objects.

Weight: 1.76 lbs (800g)

Weighing in at a mere 1.76 lbs (800g), the FMA180 Pro strikes a balance between portability and stability. Users can easily transport and set up this telescope for on-the-go astrophotography sessions without compromising performance.

In the Box: FMA180 Pro Body, Vixen-style Dovetail Rail, Finder Mounting Base, Manual

The package includes essential components such as the telescope body, a Vixen-style dovetail rail for secure mounting, a finder mounting base for additional accessories, and a comprehensive manual to guide users through setup and operation.

User Experiences and Recommendations

Versatility in Imaging and Observation

Users who have embraced the FMA180 Pro highlight its versatility for both imaging and visual observation. Its compact design and enhanced features make it suitable for a range of applications, from wide-field astrophotography to celestial exploration.

Flexibility in Rig Configuration

Astrophotographers who have integrated the FMA180 Pro into their imaging rigs appreciate its flexibility. The telescope's compatibility with a variety of cameras and filters, coupled with its marked 360º rotator, allows users to experiment with different configurations for optimal results.

Positive Feedback on Build Quality

The build quality of the FMA180 Pro has received positive feedback, with users noting its durability and stability during imaging sessions. The inclusion of upgraded components, such as metal knurled thumbscrews and an extended Vixen-style dovetail, contributes to an overall positive user experience.

Value for Budget-conscious Astronomers

The FMA180 Pro continues to appeal to budget-conscious astronomers seeking a high-quality optical instrument without compromising on performance. Its affordability combined with advanced features positions it as a valuable asset for both beginners and experienced astrophotographers.

Comparative Analysis with Original FMA180

The ASKAR FMA180 Pro builds upon the success of its predecessor, the original FMA180, by incorporating significant upgrades and new features. Let's delve into the enhancements that set the Pro version apart and contribute to an improved astrophotography experience.

Marked 360º Rotator

One standout addition to the FMA180 Pro is the marked 360º rotator. This feature provides users with precise control over the orientation of their camera or imaging setup. The ability to rotate the camera with clear markings enhances framing flexibility and composition accuracy.

One-Piece Internal Focus System

The FMA180 Pro introduces a new one-piece internal focus system, contributing to overall stability and performance. Internal focusing minimizes external movements, reducing the likelihood of image shift during critical imaging sessions. This improvement enhances the telescope's suitability for astrophotography.

New Finder Base for Accessories

A practical enhancement in the FMA180 Pro is the inclusion of a new finder base. This base allows users to attach accessories like the ASIAIR, expanding the telescope's capabilities and facilitating seamless integration with additional tools for enhanced functionality.

Longer Vixen-Style Dovetail

The Pro version features an upgraded longer Vixen-style dovetail, providing more flexibility in mounting and balancing the telescope. This extended dovetail ensures secure attachment to compatible mounts, contributing to stability during imaging or observation sessions.

Upgraded Metal Knurled Thumbscrews

The inclusion of upgraded metal knurled thumbscrews adds a touch of refinement to the FMA180 Pro. These thumbscrews enhance the overall build quality and usability, providing a reliable grip for adjustments and ensuring a positive user experience.

Larger M48x0.75 Rear Threads

The FMA180 Pro introduces larger M48x0.75 rear threads, accommodating a broader range of accessories and filters. This expansion in compatibility allows users to explore different imaging configurations and experiment with various filters for customized astrophotography results.

New Filter Thread Adapter for 2" Filters

A notable addition to the Pro version is the new filter thread adapter, enabling the use of 2" filters. This enhancement expands the creative possibilities for astrophotographers, allowing them to incorporate filters for light pollution reduction, color enhancement, or other specialized purposes.

Visual Astronomy Considerations

While the FMA180 Pro excels in astrophotography, it's important to note certain considerations for visual astronomy. Unlike the original FMA180, the Pro version operates solely at f/4.5 and may require additional accessories for visual observations.

Weight and Portability

The FMA180 Pro maintains a lightweight design, weighing 1.76 lbs (800g). This portability ensures ease of transport and setup, catering to astronomers who value mobility without compromising on optical performance.

Conclusion: A Compact Astrophotography Powerhouse

In conclusion, the ASKAR FMA180 Pro stands out as a sophisticated and upgraded version of its predecessor, delivering top-tier performance for wide-field imaging. Its optical prowess, coupled with thoughtful design upgrades, makes it a versatile and user-friendly tool for both astrophotography enthusiasts and seasoned astronomers.

Whether you're capturing large, diffuse nebulae or exploring the cosmos through wide-field observation, the FMA180 Pro promises efficiency and reliability. With its affordable price point and remarkable imaging capabilities, the ASKAR FMA180 Pro earns its place as a compact astrophotography powerhouse.

Askar FMA180 Pro