Introducing the new Borg 72FL Telescope. This is a package more suitable for use with regular 2″ diagonals. Includes a Premium 2" Feathertouch Focuser. Specifications. Aperture : 72mm Canon Fluorite apochromat; Focal length : 400mm; F-ratio : 5.6; Lens configuration : 2 elements in 2 groups; Coating : Fully multi-coated; Physical length : 340mm

BORG 72FL visual/prime focus set. EMS/EZM-ready package. The package is optimized for erecting mirror diagonals such as EMS and EZM. It should be suitable for binoviewer setup as well. So main tubes are slightly shorter than the regular setup. Aperture : 72mm Canon Fluorite apochromat; Focal length : 400mm; F-ratio : 5.6

2021年11月2日 · Borg 72FL: anyone has one? - posted in Refractors : Supposedly they have a different design compared to the 71FL, which improves colour correction and is specifically mated to the #7872 reducer.

2020年6月9日 · The Borg comes into its own if you need its incredibly light weight which is less than half that of the FRA400, you want the flexibility of the Borg system and intend to use the 72FL in multiple configurations, or you want the significantly faster focal ratio it gets with the dedicated reducer-flattener.

BORG 72FL prime focus set. 72mm Canon fluorite apochromat; 400mm/F5.6; 1.5kg; OTA length : 335mm; Premium Kasai R&P focuser; The set comes with 2672, 7151, 7026, 7801 & Kasai R & P focuser with 2″ compression ring; Recommended mounting rings : More Blue TB017; Compatible with Starizona’s Apex ED reducer without changing the system.

フローライトレンズの性能を最大限引き出すべく設計を見直し、当時の71FLよりも色収差を改善しています。 特にデジタルカメラのセンサー特性に合わせる形でチューニングを施していますので撮影用レンズとしておすすめです。 また72FLはコンパクトな外観を生かしてBORGの80Φ鏡筒システムだけでなく、別売のラッパを使用する事により60Φの鏡筒システムでも使用する事 …

BORG 72FL and Starizona Apex super reducer basic set. 7-element optical system, including one Fluorite and one ED; 72mm Canon Fluorite; 260mm/F3.6; Image circle 30mm; FTF-2020BCR as standard; 1.5kg; The set includes 2672, 7803, FTF-BORGII, FTF-2020BCR & Apex ED S; Allows to quickly convert into the visual configuration without changing any parts

2024年2月24日 · Since they are very close in size and weight, I’m leaning towards the Borg 90fl OTA with 2 inch Kasai R&P Focuser for the bigger aperture, but am wondering if there are any reasons I should consider the 72fl OTA with 2 inch Kasai …

72FL objective lens + 60Φ optical tube combination set. Slimmed down from the 80Φ specification of the conventional 72FL telephoto lens set CH to the 60Φ specification. Simple parts configuration of 60Φ specification and light weight of 1060 grams, almost half of …

Introducing the new Borg 72FL Telescope. The Borg 72FL Basic Package includes a Preium 2" Feathertouch Focuser. BORG 72FL and Starizona Apex super reducer basic set. Specifications. 7-element optical system, including one Fluorite and one ED; 72mm Canon Fluorite Objective Lens; 260mm FL/F3.6; Image circle 30mm; Back focus : 66.0mm from Apex M42