Material and Stability: CNC machined aluminum alloy, lightweight yet, with low vibration, suitable for long-exposure deep-sky photography. Size Options: 310mm (12.2") dovetail plate + 120mm (4.72") mounting ring; 260mm (10.24") + 120mm (4.72"); 400mm (15.75") + 130mm (5.12") optional.
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SV165 Mini Guide Scope Support sensitive auto guiding cameras for easy guide star acquisition Getting this guide scope makes sense for most astrophotographers out there. If you're just starting out, SV165 Mini Guide Scope is easy-to-use and performs well. If you're at the other extreme, using SV165 Mini Guide Scope on your smaller imaging rigs is more practical than trying to mount a larger, more exotic guide scope. If portability is important to you, SV165 Mini Guide Scope's compact size and relatively low weight will cooperate with your requirements. Note:Back focus distance can stretch up to 45mm. Please pay attention to stretch to the end.
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Material and Stability: CNC machined aluminum alloy, lightweight yet, with low vibration, suitable for long-exposure deep-sky photography. Material: Aluminum alloy. Size Options: 310mm (12.2") dovetail plate + 120mm (4.72") mounting ring; 260mm (10.24") + 120mm (4.72"); 400mm (15.75") + 130mm (5.12") optional.
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1 x Focusing Fish Bone Plate. The real color of the item may be slightly different from the pictures shown on the website. caused by many factors such as brightness of your monitor and light brightness.
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The Askar 71F adopts a quadruplet air-spaced APO lens design, including one piece of ED glass, which can effectively reduce chromatic aberration. The dew shield of the Askar 71F is a retractable design, further shortening the overall length and increasing portability.
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An Ultra Multi-Coating is also featured, as well as a built-in petal-shaped lens hood to suppress lens flare and ghosting for improved contrast when working in bright, direct lighting conditions.
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