{"id":33171,"date":"2025-11-09T16:45:25","date_gmt":"2025-11-09T15:45:25","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=33171"},"modified":"2026-03-12T10:25:14","modified_gmt":"2026-03-12T09:25:14","slug":"ioptron-4-5kg-20mm-counterweight","status":"publish","type":"product","link":"https:\/\/staging.telescoop.nl\/en\/ioptron-4-5kg-20mm-tegengewicht\/","title":{"rendered":"iOptron 4.5kg 20mm Counterweight"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Perfect balance for heavy telescopes<\/strong><br>The\u00a0<strong>iOptron 4.5kg 20mm Counterweight<\/strong>\u00a0helps keep your mount stable, even with heavier telescopes or accessories. This keeps your setup balanced and lets you track accurately without vibration.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-45kg-20mm-Tegengewicht.jpg\" alt=\"iOptron 4.5kg 20mm black metal counterweight with center bore and locking screw for 20mm bar\" class=\"wp-image-33182\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ideal for astrophotography and long sessions<\/strong><br>With this extra weight, you can precisely balance your mount. You track stars and planets smoothly, which is essential for sharp images and longer exposures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sturdy and easy to use<\/strong><br>The weight fits any 20mm counterweight bar and is compatible with many popular mounts such as CEM26, HEM27, GEM28, HEM44, iEQ30 and MiniTower series. Sturdy and easy to assemble, so you're quickly ready for observation or photography.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Specifications<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Capacity<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Feature<\/strong><\/th><th><strong>Description<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Hole diameter (mm)<\/strong><\/td><td>20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>General<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Feature<\/strong><\/th><th><strong>Description<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Type<\/strong><\/td><td>Accessories mounts<\/td><\/tr><tr><td><strong>Design<\/strong><\/td><td>Counterweight<\/td><\/tr><tr><td><strong>Weight (g)<\/strong><\/td><td>4500<\/td><\/tr><tr><td><strong>Outer diameter (mm)<\/strong><\/td><td>118<\/td><\/tr><tr><td><strong>Height (mm)<\/strong><\/td><td>55,5<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>iOptron 4.5kg 20mm comes with 4.5 kg counterweight, 20 mm shaft hole and locking screw - perfect for balancing heavy astrophotography setups on compatible iOptron mounts.<\/p>","protected":false},"featured_media":97079,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[2790],"product_cat":[56,3085,590,538],"product_tag":[],"class_list":["post-33171","product","type-product","status-publish","has-post-thumbnail","product_brand-ioptron","product_cat-telescoop-accessoires","product_cat-contragewichten","product_cat-montering-accessoires","product_cat-monteringen","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":33169,"url":"https:\/\/staging.telescoop.nl\/en\/ioptron-accessory-kopie-kopie-3\/","url_meta":{"origin":33171,"position":0},"title":"iOptron 2kg 20mm Counterweight","author":"","date":"09-11-2025","format":false,"excerpt":"iOptron 2kg 20mm comes with 2kg counterweight, 20mm hole and M8 thread - suitable for various iOptron mounts with 20mm counterweight bar.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-2kg-20mm-Tegengewicht.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-2kg-20mm-Tegengewicht.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-2kg-20mm-Tegengewicht.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-2kg-20mm-Tegengewicht.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":33170,"url":"https:\/\/staging.telescoop.nl\/en\/ioptron-ieq45-cem60-cem70-25kg-tegengewicht\/","url_meta":{"origin":33171,"position":1},"title":"iOptron iEQ45\/CEM60\/CEM70 2.5kg Counterweight","author":"","date":"09-11-2025","format":false,"excerpt":"iOptron iEQ45\/CEM60\/CEM70 comes with 2.5 kg counterweight including 30 mm hole and locking screw - perfect for balancing heavier optical systems on compatible iOptron mounts.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iEQ45-CEM60-CEM70-25kg-Tegengewicht.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iEQ45-CEM60-CEM70-25kg-Tegengewicht.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iEQ45-CEM60-CEM70-25kg-Tegengewicht.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iEQ45-CEM60-CEM70-25kg-Tegengewicht.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":33174,"url":"https:\/\/staging.telescoop.nl\/en\/ioptron-cem120-10kg-tegengewicht\/","url_meta":{"origin":33171,"position":2},"title":"iOptron CEM120 10kg Counterweight","author":"","date":"09-11-2025","format":false,"excerpt":"iOptron CEM120 10kg comes with a 10kg counterweight with safety lock - designed for optimal balance of the CEM120 mount.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-CEM120-10kg-Tegengewicht.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-CEM120-10kg-Tegengewicht.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-CEM120-10kg-Tegengewicht.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-CEM120-10kg-Tegengewicht.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":33172,"url":"https:\/\/staging.telescoop.nl\/en\/ioptron-tegengewicht-contragewicht-voor-skytracker-pro\/","url_meta":{"origin":33171,"position":3},"title":"iOptron Counterweight Counterweight for Skytracker Pro","author":"","date":"09-11-2025","format":false,"excerpt":"iOptron Counterweight comes with 1.35 kg counterweight, counterweight bar, mounting rail and mounting screw - perfect for balancing SkyTracker Pro with heavy equipment.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-Tegengewicht-Contragewicht-voor-Skytracker-Pro-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-Tegengewicht-Contragewicht-voor-Skytracker-Pro-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-Tegengewicht-Contragewicht-voor-Skytracker-Pro-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-Tegengewicht-Contragewicht-voor-Skytracker-Pro-1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":33193,"url":"https:\/\/staging.telescoop.nl\/en\/ioptron-cem26-tegengewicht-aansluiting-1-inch-low-latitude\/","url_meta":{"origin":33171,"position":4},"title":"iOptron CEM26 Counterweight Connection CW - Low Widths","author":"","date":"09-11-2025","format":false,"excerpt":"iOptron CEM26 comes with adapter for attachment of counterweight bar at low latitudes - ideal for mounts under 10\u00b0 to even 5\u00b0 geographic latitude.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-CEM26-Tegengewicht-Aansluiting-CW-voor-Lage-Breedtes.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-CEM26-Tegengewicht-Aansluiting-CW-voor-Lage-Breedtes.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-CEM26-Tegengewicht-Aansluiting-CW-voor-Lage-Breedtes.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-CEM26-Tegengewicht-Aansluiting-CW-voor-Lage-Breedtes.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":93028,"url":"https:\/\/staging.telescoop.nl\/en\/omegon-tegengewicht-2-6kg-20mm-as-contragewicht\/","url_meta":{"origin":33171,"position":5},"title":"Omegon Counterweight 2.6 kg (20 mm Axle)","author":"","date":"08-01-2026","format":false,"excerpt":"Omegon Counterweight comes with a 2.6 kg white steel counterweight, 21 mm drill hole and fixing screw - ideal for perfectly balancing larger telescopes or accessories on EQ-500 X and other compatible mounts.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Tegengewicht-Contragewicht-2-6kg-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Tegengewicht-Contragewicht-2-6kg-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Tegengewicht-Contragewicht-2-6kg-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Tegengewicht-Contragewicht-2-6kg-1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/33171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/comments?post=33171"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/97079"}],"wp:attachment":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=33171"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=33171"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=33171"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=33171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}