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Details
Baader FlipMirror II Star Diagonal
Various ports – variable work
Telescope auxillary instruments cover a wide range of interests, from a sole eyepiece, via camera use, to high end spectroscopy. Unfortunately every telescope just features one exit port. This causes relentless manual exchange of parts in the dark, causing huge time loss, wear on the parts - and "nerves". And whenever you start controlling your telescope remotely - the single port becomes a painful reality.
Improving workflow, especially during astrophotography is the goal set out for the BFM II. This is not just a simple flip mirror but much more, as there are three ports to be put into action.
BFM II makes your single telescope port variable - to suit your various interests.
The FlipMirror II Star Diagonal allows a variety of permanent adaptations to your telescope 1 . Use the rotary knob 2 to switch between the rear port 3 and the top port 4; you can use an optional toothed belt to operate it with a motor (not included). An autoguider or a calibration lamp can be connected to the bottom port 5.
General Function of the FlipMirror II Star Diagonal
The BFM II lets you switch between a straight light path (Position A) for a camera or other measuring instruments and an angled light path (Position B), e.g.
for an eyepiece. The following figure shows how it works. In addition, a calibration lamp for spectrographs or an Off-Axis-Guider pickoff-prism (that is not affected by the mirror position) can be connected at the AUX-port on the bottom
Scope of Delivery of the Baader FlipMirror II Star Diagonal:
- Baader FlipMirror II Star Diagonal – with fine-optically polished, movable mirror
- Laterally adjustable T-2a top ring
- 2x M48i / S52 Dovetail ring made of hardened stainless steel # 2958552
- Reducing ring M48a / T-2i # 2958553
- Reducing ring M48a / T-2a # 2958554
- Inverter ring M48a / M48a # 2958555
- Pin type face wrench for M48 / T-2 and M4 counter nuts
- 3 mm screwdriver for M 4 brass adjustment screws
- 4x hex keys (2.5 / 2.0 / 1.5 / 1.3 mm). The 2.0 mm wrench has a ball head to reach screws even when accessories are mounted by holding the wrench at an angle.
- Bottom flange (laterally adjustable 1mm) for off-axis guide or calibration lamp for spectroscopy
- Dust cap for bottom flange
- 2 x M48 dust caps
- T-2 dust cap
Related Articles
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Deep-Sky Astrophotography with the FlipMirror II star diagonal
.logo-container {width:100%; padding:20px 20px 5px;/* border:1px solid #ccc;*/margin:20px 0;} .logo-container a {max-width:23%;display: inline-block;float:left;margin-right:2%; position:relative;} .logo-container a.active,.logo-container a:hover {transform: scale(1.1);} .logo-container a img {max-width: 100%; opacity:0.7; filter: url("data:image/svg+xml;utf8,#grayscale"); /* Firefox 3.5+ */ filter: gray; /* IE6-9 */ -webkit-filter: grayscale(100%); /* Chrome 19+ & Safari 6+ */} .logo-container a:hover img,.logo-container a.active img { opacity:1.0; filter: none; -webkit-filter: grayscale(0%); } .logo-container a.active img {border:2px solid #B10000;} #attachment_7967 {clear:right;} Instruction Manual: Baader FlipMirror II Star Diagonal The Baader FlipMirror II (BFM II) in action The Baader FlipMirror II Star Diagonal (#2458055, € 195,-) is not only an accessory for "experts" but also a useful tool that makes the work of every amateur astronomer – especially the astrophotographer – easier. First and foremost, the BFM II is designed to fully replace your standard star diagonal so that you can continue to observe as normally with any good star diagonal. But with the BFM II you also have the freedom to create your own photo system immediately – or step by step – and have it ready for immediate use on the telescope.This saves a lot of time and nerves. We would like to introduce to you the countless possibilities of this new product in several...
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Baader-UFC (Universal Filter Changer) – the ever-growing filter chamber (Part 1)
The Baader Universal Filter Changer (or UFC for short) is a very versatile simple system for using, mounting and changing (or swapping) filters in and out of a light path. The UFC can be used for imaging where you may want to swap different filters (e.g. LRGB) between a camera and a telescope but do not want the bulk, or expense, of a filter wheel. The UFC can be used between a camera and a Celestron RASA 11/14(36) or a Starizona Hyperstar system where the overall size and shape of a filterwheel causes issues. You can also use the UFC for visual purposes where you can easily switch between different colour filters between a telescope and an eyepiece. The image below shows the standard "exploded" diagram of the parts that make up the Baader UFC. We've colour-coded it to highlight the main different parts (see below). At present there are 30+ parts to the whole UFC system in total. The large number of components may seem somewhat overwhelming at first glance, and can lead to some confusion, and that the system is complicated. However, we hope this series of blogs will help show how simple, and effective, the UFC is....
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The Baader Astro T-2 System™
Baader Astro T-2 System™ Component Chart For over 30 years we have focused on the Astro T-2 thread system (M 42 x 0.75 mm); virtually every telescope manufacturer must offer this thread far ahead of the focal point of his instrument, such a universal T-ring (for DSLR cameras) can be connected. The only exceptions are (still) Russian equipment, there the thread diameter is the same, but the pitch is still 1mm per revolution - rather than 0.75mm! Therefore, we offer among other things a "Russians adapter". At only 7mm additional optical length it can allow so many Russian lenses or telescopes to be compatible with an international Astro T-2 (M 42 x 0.75mm) connector! For the sake of better recognition mostly are marked. See marking small 'a' or small 'i' in the respective indication! "a"; identifies an external thread (male); or, if Ø sign which a diameter, "i"; - a female is always (female) or - Ø character - an inner diameter. The Optical Length A small selection from the variety of products from the Baader Astro T-2 System™ The optical length describes the extension of the optical path caused by an adapter or accessory when inserted into the...
Additional Information
| SKU (#) | 2458055 |
|---|---|
| Optical length (mm) | 55 mm with S52, 59 mm with M48/T-2 |
| Dimensions | 63 x 77 x 69 mm |
| Inner Connection (lens sided) | Thread, Dovetail ring clamp, S52, T-2 (M42 x 0,75), M48 |
| Weight (kg) | 195 g |
| Inner Connection (eyepiece/-camera-sided) | Thread, Dovetail ring clamp, M48, S52 |
| Outer Connection (eyepiece/-camera-sided) | Thread, M48 |
| Type of Adapter | Variable |
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Instruction manuals
