Technical Data And Most Important Optional Adapters; Telescope Side Connection Options (Included As Standard); Additional Filters (Included As Standard); Connection Options On The Eyepiece Side (Included As Standard) - Baader Planetarium HERSCHEL PRISM MARK II Instruction Manual

Technical data and most important optional adapters

Telescope side connection options (included as standard)

• 2" (50.8 mm) nose piece with safety kerfs and M48 filter thread
• Ring dove tail S58 x 3.7 mm, for connection e.g. to Zeiss M68 and other Baader
connection standards with optional adapters
Additional filters (included as standard)
• Neutral density filter (grey filter) 2", ND 3.0 (1:1000, transmission 0.1%)
• Baader 7.5 nm Solar Continuum Filter (540 nm), 2"
Both filters are pre-mounted in the rotatable filter mount of the Herschel prism.
The photographic version of the Herschel prism additionally contains the three filters
• Neutral density filter (grey filter) 2", ND 0.6 (T=25%)
• Neutral density filter (grey filter) 2", ND 0.9 (T=12,5%)
• Neutral density filter (grey filter) 2", ND 1.8 (T=1,5%)
These filters are also available separately.

Connection options on the eyepiece side (included as standard)

• 2" (50.8 mm) ClickLock
• S58 ring dovetail, exactly the same as on the Diamond Steeltrack

Technical data

Optical length: As supplied with ClickLock
117 mm without filter
With two filters of 2 mm glass thickness (ND 3, SCT): 115 mm
With optional SteelTrack M48/M68/T-2 adapter
instead of ClickLock
Weight: 650g single unit, ~1,6 kg total weight incl. case
Housing: cast metall, milled
matt black anodised and pearl white textured finish
Three-point adjustment system
• 2" polarising filter, single
• Reducer to 1¼", e.g. Baader 2" to 1¼" ClickLock
• S58 Steeltrack adapters allow the 2" ClickLock
with one of the following short length adapters:
• Diamond Steeltrack
• Diamond Steeltrack
• Diamond Steeltrack
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Manual: Cool-Ceramic Safety Herschel Prism Mark II
clamp with brass clamping ring, optical length 30 mm
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eyepiece clamp: 85-86 mm without filter
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Recommended accessories

# 2408342, for stepless brightness control
T-2 Adapter # 2957202, optical length 2 mm.
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M48 adapter # 2957204, optical length 1 mm
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M68i adapter # 2957207, optical length 2 mm
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# 2961581
# 2458321
# 2458322
# 2458331
eyepiece clamp:
reducer # 2956214
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eyepiece clamp to be replaced
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# 2458332
focusers
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