What is the difference between this diagonal and the 2" ClickLock mirror diagonal #2956100?
It is the same mirror diagonal with an M68 (Zeiss) male thread in place of the 2" Safety-Kerf nosepiece, giving a 51mm clear aperture and 109mm optical length against 46.6mm and 112mm for #2956100, and allowing it to be mounted on Baader's M68 range.
What is the clear aperture of the M68 ClickLock Diagonal?
The M68 version has a clear aperture of 51mm because the M68 thread replaces the 2" barrel, which limits the nosepiece version to 46.6mm. No specific sensor sizes or eyepiece fields are stated for this diagonal.
Can I use 2-inch filters with the Baader M68 ClickLock Diagonal?
Not in front of it. Filters cannot be mounted in front of the M68 star diagonal, because a 2" filter would limit the clear aperture.
Is the M68 ClickLock Diagonal suitable for solar observation?
The mirror reflects only the visual part of the spectrum (400-700nm), so that no UV or IR radiation reaches the eye, and it provides high security for solar observation in white light and with H-alpha solar filters; however, it does not replace the diagonals of H-alpha telescopes with built-in blocking filters.
Can I mount the M68 ClickLock Diagonal in any rotational position?
Baader's M68 quick release clamp, made of the S68/M68 Zeiss Change Ring (#2458185) and the M68/S68 Zeiss Changer (#2458180), lets you mount the mirror quickly and in any desired position on suitable telescopes.
How does the Baader ClickLock clamp work?
A 20° turn of the rotary lever with light pressure clamps the accessory, which is held on three sides like a quick-action chuck and aligned parallel to the optical axis; a ratchet indicates acoustically and haptically whether the clamp is open or closed, and the massive tension ring holds accessories without scratches.
What is the difference between this dielectric mirror and a Baader BBHS® silver mirror?
The dielectric coating (140 layers, 99% reflectivity) reflects only the visual part of the spectrum, 400-700nm. The BBHS® (Broad Band Hard Silver) coating gives 98-99% reflection from slightly above 390nm to 2000nm and is suited to visual observation and astrophotography, even in the infrared.
Can I use a Baader binoviewer with the M68 ClickLock Diagonal?
This works with Baader's 2" ClickLock star diagonals: with the ClickLock removed, the 2"/T-2 adapter (#1508035, available separately) gives a low-profile male T-2 thread, and depending on the available backfocus a binoviewer can be attached directly, without an additional T-2 diagonal or a glasspath corrector. The Mark V Großfeld binoviewer can be attached this way.
Can the Hyperion Zoom Mark IV be screwed onto the diagonal?
This works with Baader's 2" ClickLock star diagonals: with the ClickLock removed, the 2" inverter ring (#1508020) gives a male SC thread, onto which the Hyperion Universal Zoom Mark IV can be screwed directly, gaining 47mm of backfocus.
What material is the body of the M68 ClickLock Diagonal made of?
The body of #2956100 is a CNC-postprocessed magnesium alloy, and this model is the same apart from the M68 thread. The net weight is 0.50 kg.
Will the M68 ClickLock Diagonal work on my telescope?
It needs a female M68 x 1 (Zeiss) connection on the telescope side, either directly or through Baader's M68 accessories such as the M68/S68 Zeiss Changer (#2458180). It cannot be inserted into a 2" eyepiece clamp, and it cannot be reconfigured for a 2" nosepiece; the 2" ClickLock mirror diagonal (#2956100) is the nosepiece version.
How do I adjust the position of the ClickLock lever on the M68 Diagonal?
The position of the rotary lever is adjustable. It can be set for left- or right-hand use by six slotted screws or six Allen screws, depending on the model.
