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Shop Details
Prices exclude VAT

CNC 9 Point Mirror Cells

Description
(Size)

Part Number

Maximum
Mirror
Diameter

Minimum
Mirror
Diameter

Maximum
Edge
Thickness

Minimum
Edge
Thickness

Total
Weight
(Kg)

Maximum
Mirror
Movement

Tube Connection

Packing Details
cm / Kg (approx)

Price

150mm

CELLCNC150

151mm

151mm

20mm

15mm

0.7

8mm

M6

28 x 28 x 25 - 0.77Kg

120

200mm

CELLCNC200

201mm

191mm

24mm

19mm

1.4

8mm

M6

28 x 28 x 25 - 1.54Kg

160

250mm

CELLCNC250

250mm

240mm

27mm

22mm

2.7

8mm

M6

28 x 28 x 25 - 2.97Kg

200

300mm

CELLCNC300

300mm

290mm

40mm

30mm

5.6

15mm

M6

44 x 42 x 20 - 6.16Kg

280

350mm

CELLCNC350

355mm

343mm

45mm

35mm

8.2

15mm

M6

44 x 42 x 20 - 9.02Kg

340

400mm

CELLCNC400

405mm

394mm

45mm

35mm

11.6

15mm

M6

44 x 42 x 20 - 12.76Kg

450

500mm

CELLCNC500

504mm

498mm

57mm

45mm

24.6

15mm

M6

65 x 65 x15 - 27.06Kg

600

600mm

CELLCNC600

608mm

597mm

57mm

45mm

30

15mm

M6

65 x 65 x15 - 33Kg

750

Cooling Fan

Fansmall

Replacement Cooling Fan - 12vDC for our 9 Point Mirror Cells

20

Please Note: All prices shown EXCLUDE VAT. Select item(s) required and click BUY to add to Shop . ..

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ACCESSORIES : Attachment Plates : Correctors + Fittings : ACU Focusers : Tube Rings
Mirror Cells :
Adaptors : Finders : Dew Heaters & Shields : Miscellaneous

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NEWSLETTER SIGNUP

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The best optics in the world can be literally ruined unless they
are supported correctly in a telescope’s body.
Finely hand figured surfaces, no matter how good they are, will not give
their best unless the mirrors have a firm but resilient method of holding the mirror.
Badly designed mirror supports (cells) are more than capable of turning the image from a 1/10PV wavefront mirror into worse than a whole wavelength of inaccuracy. How do we know this? Because we have not only seen it on many competitors telescopes that we have been asked by astronomers to check out the telescope and collimate it for them, based on the customers appraisal that the telescope was performing badly due to incorrect collimation. Badly made and/or badly adjusted cells are one of the main reasons for what appears to be a quality problem in a telescope.

We carried out extensive tests on cells, even after our computer software designed the cells for optimum performance, we wanted to check ourselves so we tried the same mirror in different cells and, after months of trials, came up with the current design. A 9 point, nylon66 tipped suspension system which spreads the ‘load’ of the mirror as evenly as possible over those 9 points at the back of the mirror.

Featured here is one of our cells which shows the machined, anodised aluminium surfaces. All of our cells are CNC machined for super accuracy but, they are all then carefully hand finished to ensure no small irregularities in the machining or threading of holes restricts movement of the parts. Anodising adds a protective layer to the aluminium which not only gives the aluminium protection against corrosion, it also produces a harder surface which reduces the risk of scratches or wear in the threaded holes. These cells will last a lifetime if looked after and cleaned very occasionally.

All cells have a cooling fan fitted which run off any 12 volt DC supply to reduce significantly the risk of dew and, to allow the mirror to reach observing site temperature.

Our simple and extremely robust collimation system, ensures your mirror stays exactly in the same collimated position night after night after night. The robustness of the design also gives security of constant focus. We have heard of several telescopes fitted with our cells which are observatory sited, maintaining their focus for several months, a sure sign of good design and manufacture.

Our computer optimised, 9 point mirror cells with built in cooling fan (as used on our VX Range) are shown here.


 

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