{"id":32340,"date":"2025-11-02T12:55:33","date_gmt":"2025-11-02T11:55:33","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&p=32340"},"modified":"2026-03-03T20:23:08","modified_gmt":"2026-03-03T19:23:08","slug":"bresser-ac-90-500-telescope-messier-ota","status":"publish","type":"product","link":"https:\/\/staging.telescoop.nl\/en\/bresser-ac-90-500-telescoop-messier-ota\/","title":{"rendered":"\u00a0Bresser AC 90\/500 Telescope Messier OTA"},"content":{"rendered":"

Bresser AC 90\/500 - Compact power for wide sky images<\/h3>\n\n\n\n

The Bresser AC 90\/500 Messier OTA<\/strong> is light, fast and surprisingly powerful. With its wide field of view, this is the ideal telescope for exploring open clusters, nebulae and the Milky Way. Compact in size, big in performance - perfect for those who like to view the universe wide rather than deep.<\/p>\n\n\n\n

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\"Bresser<\/figure>\n<\/figure>\n\n\n\n

Wide field of view, clear images<\/h3>\n\n\n\n

The 90 mm lens captures a lot of light, so you can see even fainter objects well. The short focal length of 500 mm provides a large field of view. Ideal for capturing large areas of sky at once or easy tracking. This allows you to see star clusters and nebulae in their full glory, without constantly having to make adjustments.<\/p>\n\n\n\n

Easy to use and instantly ready<\/h3>\n\n\n\n

Take it out of the box, attach the eyepiece and you are ready for observation. This telescope is designed for ease of use - no complicated settings, just point and enjoy. Thanks to the robust aluminum tube, everything remains stable even with frequent use.<\/p>\n\n\n\n

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\"Bresser<\/figure>\n<\/figure>\n\n\n\n

Versatile design for any experience<\/h3>\n\n\n\n

Whether you're just starting out or already experienced, the AC 90\/500 adapts to your pace. Use it for quick sessions in the garden or take it to a dark place to discover even more detail. Add an Amici prism for daytime nature observations.<\/p>\n\n\n\n

What to expect<\/h3>\n\n\n\n

\u2713 Moon: bright and contrasty
\u2713 Planets: clearly visible at lower magnification
\u2713 Nebulae & galaxies: wide and impressive field of view
\u2717 Astrophotography: limited without additional accessories
\u2717 Sun: only with safe sunscreen<\/p>\n\n\n\n

Specifications<\/h3>\n\n\n\n

Optics<\/h4>\n\n\n\n
Feature<\/th>Description<\/th><\/tr><\/thead>
Design<\/td>Achromat (refractor)<\/td><\/tr>
Type<\/td>Refractor<\/td><\/tr>
Aperture (mm)<\/td>90<\/td><\/tr>
Focal length (mm)<\/td>500<\/td><\/tr>
Focal Ratio (f\/)<\/td>5,5<\/td><\/tr>
Resolution<\/td>1,28\u2033<\/td><\/tr>
Boundary magnitude<\/td>11,6<\/td><\/tr>
Light output relative to eye<\/td>170\u00d7<\/td><\/tr>
Max. useful magnification<\/td>180\u00d7<\/td><\/tr>
Tube material<\/td>Aluminum<\/td><\/tr>
Tube length (mm)<\/td>480<\/td><\/tr>
Tube diameter (mm)<\/td>105<\/td><\/tr>
Tube weight (kg)<\/td>1,9<\/td><\/tr>
Tube construction<\/td>Full tube<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Focuser<\/h4>\n\n\n\n
Feature<\/th>Description<\/th><\/tr><\/thead>
Design<\/td>Rack & Pinion<\/td><\/tr>
Ocular connection<\/td>1,25\u2033<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Mount<\/h4>\n\n\n\n
Feature<\/th>Description<\/th><\/tr><\/thead>
Design<\/td>OTA (without mount)<\/td><\/tr>
Type of mount<\/td>Manual<\/td><\/tr>
GoTo steering<\/td>No<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Included accessories<\/h4>\n\n\n\n
Section<\/th>Description<\/th><\/tr><\/thead>
Ocular<\/td>26 mm Super Pl\u00f6ssl (1.25\u2033)<\/td><\/tr>
Seeker<\/td>6\u00d730 optical viewfinder<\/td><\/tr>
Zenith mirror<\/td>1.25\u2033 90\u00b0 star diagonal<\/td><\/tr>
Dew cap<\/td>Yes<\/td><\/tr>
Tube Rings<\/td>Yes<\/td><\/tr>
Dovetail<\/td>Vixen-style<\/td><\/tr>
Accessory holder<\/td>Meade\/Explore Scientific T-profile<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

General<\/h4>\n\n\n\n
Feature<\/th>Description<\/th><\/tr><\/thead>
Series<\/td>Messier<\/td><\/tr>
Application<\/td>Moon & Planets, Nebulae & Galaxies<\/td><\/tr>
Astrophotography<\/td>No<\/td><\/tr>
Nature observation<\/td>No<\/td><\/tr>
Sun<\/td>Only with suitable sunscreen<\/td><\/tr>
Recommended for<\/td>Advanced<\/td><\/tr>
Observatory use<\/td>No<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

Bresser AC 90\/500 comes with achromatic optical tube, stretch-focuser, SP 26 mm eyepiece, 6\u00d730 viewfinder, 90\u00b0 star diagonal, Meade\/Explore Scientific T-Profil accessory shoe, slow-motion cable, Vixen-Style tube rings and integrated dew cap.<\/p>","protected":false},"featured_media":96599,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[128],"product_cat":[51,567],"product_tag":[],"class_list":["post-32340","product","type-product","status-publish","has-post-thumbnail","product_brand-bresser","product_cat-telescopen","product_cat-refractors","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":31859,"url":"https:\/\/staging.telescoop.nl\/en\/bresser-messier-90-500-refractor-eq-3\/","url_meta":{"origin":32340,"position":0},"title":"Bresser Messier 90\/500 Refractor EQ-3","author":"Info telescoop","date":"30-10-2025","format":false,"excerpt":"Bresser AC 90\/500 comes with EQ-3 mount, 26mm eyepiece, 6x30 viewfinder, 90\u00b0 zenith prism, aluminum tripod and slow-motion cables - ideal for beginners who want to explore the Milky Way, open star clusters and the moon with a wide field of view.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Bresser Messier 90\/500 Refractor EQ-3","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Telescoop-AC-90-500-Messier-EQ-3.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Telescoop-AC-90-500-Messier-EQ-3.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Telescoop-AC-90-500-Messier-EQ-3.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Telescoop-AC-90-500-Messier-EQ-3.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Telescoop-AC-90-500-Messier-EQ-3.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Telescoop-AC-90-500-Messier-EQ-3.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":31862,"url":"https:\/\/staging.telescoop.nl\/en\/bresser-messier-90-500-refractor-exos-1\/","url_meta":{"origin":32340,"position":1},"title":"Bresser Messier 90\/500 Refractor EXOS-1","author":"","date":"30-10-2025","format":false,"excerpt":"Bresser AC 90\/500 comes with EXOS-1 mount, 26mm eyepiece, 6x30 viewfinder, 90\u00b0 zenith prism, slow-motion cables, Vixen swallowtail, accessory holder and steel tripod - 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