F6.3 Focal Reducer Schmidt Threads for Schmit-Cassegrain SCT Telescope

Description: Menu Other Items Feedbacks About Us Contact Us Add To Favorites F6.3 Focal Reducer Schmidt Threads for Schmit-Cassegrain SCT Telescope This focal reducer/corrector lens works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegrain telescopes.Four-elements design, fully multi-coated optics,increase the transmittance of lightIt can reduce the focus of your telescope to F6.3 without changing the image qualityConverts f/10 optical system to faster f/6.3 which can increase the field of view and reduce the exposure time in astronomical photographyAluminum alloy frame and all optical glass lens material Skyoptikst F6.3focal reducer/corrector is suitable for Celestron 5 "6" 8 "9" 11 "and 14" Schmidt Cassegrain SCT telescope, zenith mirror at SCT port, etc., metal structure, two groups of four-piece design, full-band multi-layer coating, which can reduce the focus of your telescope to F6.3 without changing the image quality. This zoom lens/corrector can make the focal ratio of C5, C6, C8, C9.25 become f6.3; The focal ratio of C14 becomes f7. The use of this zoom lens can increase the field of view and reduce the exposure time in astronomical photography. Skyoptikst does not provide the Schmidt Cassegrain telescope of F6.3 because such a design is impossible, and there will be a large central occlusion, which will lead to the reduction of contrast. The defocus lens/corrector of this f6.3 is a 4-piece design with full surface coating. The use of this zoom lens has a good performance in photography. Name: F6.3 zoom lens Shell material: metal structure Name: F6.3 zoom lens Shell material: metal structure Coating: full broadband coating Size: 49X34X55MM Lens design structure: 2 groups of 4 pieces Threaded interface: ScT interface Weight: net weight 0.1KG/gross weight 0.18KG Lens material: glass material Item Specification Item model number SCT0.63Jian Focus Type Fixed Focus Power Source Manual Operation Exit Pupil 0.79 Inches Compatible Devices Celestron Schmidt-Cassegrain telescopes Item Weight 0.1 Kilograms Lens Coating Description full-band multi-layer Field Of View 1.2 Degrees Product Dimensions 4"D x 4"W x 2"H Finderscope Reflex Dimensions Shipping Returns Additional Info Product Dimensions: 4.0 "h x 4.0 "h x 2.0 "h. Weight: 0.1 kg Fast shipping is very important for us. Our standard shipping service is FREE. Your order will be shipped within 1-3 business days upon full payment received. Most items are delivered within 3-5 business days, however, please allow 3-10 business days. We are shipping only to USA. We only ship to the confirmed Paypal address. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. We offer a 30 day return policy from checkout winning date. Your satisfaction is guaranteed! If for any reason you are unhappy with your item, just return it within 30 days for a full refund, minus shipping cost. Please contact us prior to initiating a return so that we can issue you a refund authorization. Items defective upon receipt must be packaged in their retail packaging as if new and returned with a detailed description of the problem. Return shipping fees are not refundable. We reserve the right to decline any returns if the above guidelines are not followed. All of our items, unless otherwise stated, will only run on 120 volts. Please check to make sure your country complies with these specifications. If you have a problem or question regarding your transaction please contact us before leaving any type of feedback. We will work with you to resolve any problem you may have.

Price: 183.99 USD

Location: Whittier, California

End Time: 2025-01-28T03:02:09.000Z

Shipping Cost: 0 USD