{"id":16221,"date":"2025-07-19T16:40:24","date_gmt":"2025-07-19T14:40:24","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&p=16221"},"modified":"2026-03-03T20:25:22","modified_gmt":"2026-03-03T19:25:22","slug":"omegon-80-500-pro-apo-ed-carbon-ota-field-flattener","status":"publish","type":"product","link":"https:\/\/staging.telescoop.nl\/en\/omegon-80-500-pro-apo-ed-carbon-ota-field-flattener\/","title":{"rendered":"Omegon 80\/500 Pro APO ED Carbon OTA + Field Flattener"},"content":{"rendered":"

Omegon 80\/500 Pro APO ED Carbon OTA + Field Flattener: This complete astrophotography solution combines the excellent optics of the Omegon 80\/500 Pro APO with a matching 2\u2033 field flattener. The result: razor-sharp, edge-to-edge images across the entire image plane - even on full-frame cameras. Thanks to FPL-53 glass and a thermally stable carbon tube, this system is made for high performance in a light and mobile design.<\/p>\n\n\n\n

\u2713 TrueColor ED lens (FPL-53 + S-NBM51) without color errors
\u2713 Perfectly flat image with the included 2\u2033 field flattener
\u2713 Carbon tube: lightweight, rigid and temperature stable
\u2713 2\u2033 Power Linear Crayford focuser with 1:10 micro fine adjustment
\u2713 Ideal for use with DSLRs or CMOS astro cameras
\u2713 Supplied in sturdy aluminum transport case<\/p>\n\n\n\n

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The flattener corrects the field of view for image sensors up to full-frame without adding magnification. This maintains the focal length of 500 mm, with a beautifully wide field of view - perfect for nebulae, star fields and galaxy objects.<\/p>\n\n\n\n

Technical specifications<\/h3>\n\n\n\n
Feature<\/th>Value<\/th><\/tr><\/thead>
Object type<\/strong><\/td>Apochromatic doublet: FPL-53 + S-NBM51<\/td><\/tr>
Opening<\/strong><\/td>80 mm<\/td><\/tr>
Focal length<\/strong><\/td>500 mm<\/td><\/tr>
Opening ratio<\/strong><\/td>f\/6,3<\/td><\/tr>
Backfocus<\/strong><\/td>approx. 55 mm from flattener<\/td><\/tr>
Focuser<\/strong><\/td>2\u2033 Crayford with 1:10 fine adjustment, 360\u00b0 rotatable<\/td><\/tr>
Connections<\/strong><\/td>2\u2033, 1.25\u2033, M48 for flattener<\/td><\/tr>
Field flattener<\/strong><\/td>2\u2033, flat image to full-frame<\/td><\/tr>
Tubular material<\/strong><\/td>Carbon (lightweight and stable)<\/td><\/tr>
OTA length<\/strong><\/td>39-46 cm<\/td><\/tr>
OTA weight<\/strong><\/td>2.8 kg<\/td><\/tr>
Total weight with flattener and case<\/strong><\/td>approx. 7.5 kg<\/td><\/tr>
Transport case<\/strong><\/td>Aluminum with foam insert (56 \u00d7 20 \u00d7 32 cm)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Application and use<\/h3>\n\n\n\n

This set is designed for:<\/p>\n\n\n\n

    \n
  • \u2713 Astrophotography of nebulae, star fields and galaxy objects<\/li>\n\n\n\n
  • \u2713 Full-frame cameras without vignetting or image curvature<\/li>\n\n\n\n
  • \u2713 Mobile setups with EQ5-, AM3-, Star Adventurer-class mounts<\/li>\n\n\n\n
  • \u2717 Not intended for sun observation without special filters<\/li>\n\n\n\n
  • \u2717 Not suitable for beginners without experience with backfocus and image plane correction<\/li>\n<\/ul>\n\n\n\n

    The combination with the 2\u2033 field flattener eliminates field curvature, keeping stars pointed to the corners - essential for high-quality photography with modern image sensors.<\/p>\n\n\n\n

    Expert advice<\/h3>\n\n\n\n

    The Omegon 80\/500 Pro APO ED + Flattener<\/strong> is the smartest move if you're looking for a lightweight, color-correct and fully edge-sharp setup. The carbon tube prevents focus drift with temperature changes - crucial for long night photography. Thanks to the included flattener, you no longer have to puzzle with accessories: this set is \u201cplug and play\u201d for high-level image quality.<\/p>","protected":false},"excerpt":{"rendered":"

    Omegon 80\/500 Pro APO ED Carbon OTA + Field Flattener<\/strong> - Fully flat full-frame field of view. Ideal for sharp astrophotos with FPL-53 optics and carbon tube.<\/p>","protected":false},"featured_media":22054,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[567,428,531,51],"product_tag":[],"class_list":["post-16221","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-refractors","product_cat-telescopen-voor-astrofotografie","product_cat-gevorderd","product_cat-telescopen","product_shipping_class-licht","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":16206,"url":"https:\/\/staging.telescoop.nl\/en\/omegon-80-500-pro-apo-ed-carbon-ota\/","url_meta":{"origin":16221,"position":0},"title":"Omegon 80\/500 Pro APO ED Carbon OTA","author":"Info telescoop","date":"19-07-2025","format":false,"excerpt":"Omegon 80\/500 Pro APO ED Carbon OTA \u2013 Lichtgewicht apochromaat met FPL-53 glas en carbon tubus. 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