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MicroFocus
Products
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MicroFocus for
Celestron C8
Celestron early C5 (dual fork arm), C8,
C8+, C8-S, C8-SGT, Classic 8, Celestar 8, CGE 800, G-8, Great Polaris C8,
NexStar 8 GPS, Polaris C8, Powerstar 8, Super C8, Super C8+, Super Polaris C8,
Ultima 8, Ultima 2000
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MicroFocus for
Celestron
9¼"
SCT
Celestron C9¼-S, C9¼-SGT, CG-9¼, CGE
925, G-9¼, NexStar 9¼ GPS, Ultima 9¼
| NOTE |
Due to changes in
Celestron 9¼ inch telescopes, please verify the
correct MicroFocus part number using the following chart:
| Identifying the
Correct MicroFocus for a Celestron 9¼" SCT
(Chart 1) |
| Part No. |
Style |
Identifying Characteristics |
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MRFC9 |
Classic |
Rectangular
plate (scope housing) at base of focus knob |
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MRFC9 |
NexStar |
Rectangular
plate
(scope housing) at base of focus knob |
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MRFC8 |
CPC |
Orange Ring
(scope housing) at base of focus knob |
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These pictures show the steps to install the
Celestron 9¼ SCT MicroFocus.
1) Remove the original focus knob and cover plate (top left). 2)
Install the replacement knob (top right). 3) Install the replacement
cover plate and attached collar (bottom left). 4) Place the
MicroFocus sleeve over the collar and tighten the thumb screw (bottom right,
actually shows MOTOFOCUS sleeve).
5) You are ready to go. It's that
easy! |
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MicroFocus for
Celestron
C11/C14
Celestron C11, CG-11, CM-1100, Ultima 11, C14, CG-14, CM-1400, CM-1400GT
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NOTE |
The
Celestron NexStar 11
and CGE 1100 do NOT use Classic
C11
style optical tubes. For MicroFocus for the NexStar
11 and CGE 1100 see
MicroFocus
for Celestron NexStar 11 GPS below. To verify which MicroFocus version
you need, check the knob ID against the following chart:
| Identifying the
Correct MicroFocus for a Celestron 11" SCT (Chart 2) |
| Part No. |
Style |
Identifying Characteristics |
Knob ID |
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MRFC11 |
Classic |
Classic Orange or
Black OTA |
19mm
(0.748") |
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MRFCPC11 |
CPC |
Orange Ring
at base of focuser knob |
21.8mm
(0.858") |
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MRFNEX11 |
NexStar |
Gray Carbon
Fiber OTA |
22.8mm
(0.898") |
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MicroFocus for
Celestron
CPC
800
Celestron C9¼-SGT XLT, CGE PRO 925 HD, CGEM 800 HD, CGEM 925 HD, CPC 800 GPS, CPC 925 GPS
| NOTE |
See Chart 1
above if you have questions about this being the correct product. |
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MicroFocus for
Celestron
CPC
1100
Celestron CGE PRO 1100 HD, CGEM 1100
HD, CPC 1100 GPS
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NOTE |
See Chart 2
above if you have questions about this being the correct product. |
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MicroFocus for the Celestron CPC 1100 |
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MicroFocus for
Celestron
NexStar
11 GPS
Celestron C11-SGT,
CGE 1100, NexStar
11 GPS
| NOTE |
See the Chart 2
above if you have questions about this being the correct product. |
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MicroFocus for
Meade
Cassegrain Telescopes Meade
Cassegrain Telescopes (other than ETX)
Some
Meade SCTs are not consistent in the focusing mechanism design, so we now identify the appropriate MicroFocus
for your equipment by the style of the
focus knob (see chart below).
The piggy-backed MicroFocus works on
ROUND FOCUS KNOBS ONLY, not on hex-shaped knobs.
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NOTE
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To verify which MicroFocus version you need, please check the
Focusing Knob style against the following chart:
| Identifying the
Correct MicroFocus for Certain Meade SCTs (Chart 3) |
| Part No. |
Knob Style* |
Identifying
Characteristics* |
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MRFMH |
Hexagonal |
Six-sided
Knob with Three Flat Sides |
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MRFMR |
Round |
Cylindrical |
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* See the picture at left to identify the Round Focusing Knob (left) vs. somewhat
Hexagonal Focusing Knob (right). The hexagonal knob has three flat "sides."
The other "sides" are curved. |
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MicroFocus for
Meade
ETX-LS 6" Meade
ETX-LS 6", ETX-LS 8", LS-6, LS-8, LT-6,
LT-8
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This image shows the back end of a
MicroFocus with the internal coupler which slides over the supplied focus knob. |
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This is a picture of an older version of the MicroFocus
mounted on an SCT. |
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This is a picture of an older version of the MicroFocus
mounted on an SCT. |
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Prototype MicroFocus |
What
is MicroFocus?
MicroFocus is a push-on two-speed
manual focus mechanism that attaches to the shaft of an SCT
focuser knob (or the knob itself) for precise focusing. It includes
separate knobs for coarse and fine adjustments with a numeric dial
indicator for improved accuracy and repeatability. Mounting is
easy and requires no drilling or tapping. |
Customer
Comments
"Drama-free purchase of what
I thought would be an out-of-stock old part for an old MOTOFOCUS..."
(R. F. 09/2012)
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Frequently Asked Questions
(FAQ)
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| Q. |
What
is the difference between a MicroFocus and MOTOFOCUS? |
| A. |
Both mechanisms are designed to be attached to the shaft of an
SCT
focuser knob (or the knob itself) to assist in focusing. MicroFocus
adds a slow-speed manual knob whereas MOTOFOCUS adds a hand unit and motor
to automate movement of the telescopes focusing knob. |
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