When looking for affordable 5mm eyepieces for your Skywatcher GTi150, there are several considerations to keep in mind to ensure you get a high-quality viewing experience without breaking the bank. Here are some recommendations:
Celestron Omni Plossl 5mm: Known for its value and reliability, the Celestron Omni series provides good optical performance at a reasonable price. The 5mm Omni Plossl is a budget-friendly choice that offers clear and sharp views of the planets and the moon.
Astro-Tech Paradigm Dual ED 5mm: This eyepiece offers excellent build quality and superior optical performance with its extra-low dispersion glass, reducing chromatic aberrations. It provides a wide field of view and good eye relief which enhances comfort during extended observation sessions.
Orion Expanse 5mm: The Orion Expanse series is known for its wide field of view and affordability. The 5mm variant offers a 66-degree apparent field of view, making it an excellent option for viewing planets and the moon with ease.
SVBONY SV135 5mm: This budget eyepiece from SVBONY has received positive reviews for providing good clarity and contrast. It features multi-coated optics and a durable design, making it a worthwhile choice for budget-conscious astronomers.
Meade Series 4000 5mm Plossl: Meade’s Series 4000 offers reliable performance and quality construction in a budget-friendly package. The 5mm Plossl provides good clarity and color correction, making it suitable for planetary observations.
When selecting an eyepiece, consider the apparent field of view (AFOV), eye relief, and the quality of optical coatings as these factors will significantly impact your viewing experience. Also, reading reviews and perhaps testing an eyepiece at a local astronomy club or shop, if possible, can further guide your decision.