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  Telescope Accessories > Filters (277 Items)

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Optec Hamamatsu R6358 Photomultiplier Tube (PMT)
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Optec Hamamatsu R6358 Photomultiplier Tube (PMT)
Item No. 782-22670
Manuf. No. Optec 17017

The use of a photomultiplier tube (PMT) allows fainter stars to be measured accurately and the enhanced response time of 1 ms allows fast events such as lunar occultation to be recorded with greater time resolution.
 
Our Price: $725.00
Buy Optec Hamamatsu R6358 Photomultiplier Tube (PMT)
 

Optec Upgrade SSP-3 or 3A Instrument to Generation 2
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Optec Upgrade SSP-3 or 3A Instrument to Generation 2
Item No. 782-22600
Manuf. No. Optec 17533

The SSP-3 has a serial output for connection to a PC serial (COM) port. The SSPDataq control and data acquisition program that comes with every unit operates all aspects of the photometer.
 
Our Price: $495.00
Buy Optec Upgrade SSP-3 or 3A Instrument to Generation 2
 

Optec Upgrade SSP-5 or 5A Instrument to Generation 2
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Optec Upgrade SSP-5 or 5A Instrument to Generation 2
Item No. 782-22610
Manuf. No. Optec 17535

The SSP-5 photomultiplier-based single channel photometer provides greater sensitivity than the SSP-3 and faster response time for occultation work.
 
Our Price: $595.00
Buy Optec Upgrade SSP-5 or 5A Instrument to Generation 2
 

Optec IFW 3 inch Intelligent Filter Wheel LRGB KIT
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Optec IFW 3 inch Intelligent Filter Wheel LRGB KIT
Item No. 782-24010
Manuf. No. Optec IFW-3"

The IFW 3" is a massive unit that measures 10-inches on a side and is 2.5-inches thick including both the telescope and camera side adapters.
 
Our Price: $3,100.00
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Optec IFW 2 inch Intelligent Filter Wheel LRGB KIT
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Optec IFW 2 inch Intelligent Filter Wheel LRGB KIT
Item No. 782-24000
Manuf. No. Optec IFW

The IFW can be controlled by either the pushbutton switches on the hand control, an SBIG camera controller, or by an external computer via an RS-232 serial interface or COM port.
 
Our Price: $1,600.00
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Optec IFW 3 inch Intelligent Filter Wheel
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Optec IFW 3 inch Intelligent Filter Wheel
Item No. 782-23910
Manuf. No. Optec 17360

The new IFW 3" (full 3-inch clear aperture) supports a large variety of filter sizes with the ease of selection that is the hallmark of the IFW 2-inch.
 
Our Price: $1,295.00
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Optec IFW 2 inch Intelligent Filter Wheel
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Optec IFW 2 inch Intelligent Filter Wheel
Item No. 782-23900
Manuf. No. Optec 17350

The Optec Intelligent Filter Wheel brings to astronomy a new level of sophisticated equipment for the benefit of the astro-imager
 
Our Price: $829.00
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Optec Optec SSP-5a Photomultiplier Tube Photometer (generation 2)
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Optec Optec SSP-5a Photomultiplier Tube Photometer (generation 2)
Item No. 782-22140
Manuf. No. Optec 17009

The SSP-5 can also be ordered with the optional motorized 6-filter slider for robotic operation. This model is refered to as SSP-5A.
 
Our Price: $2,495.00
Buy Optec Optec SSP-5a Photomultiplier Tube Photometer (generation 2)
 

Optec SSP-5 Photomultiplier Tube Photometer (generation 2)
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Optec SSP-5 Photomultiplier Tube Photometer (generation 2)
Item No. 782-22130
Manuf. No. Optec 17007

The SSP-5 photomultiplier-based single channel photometer provides greater sensitivity than the SSP-3 and faster response time for occultation work
 
Our Price: $2,095.00
Buy Optec SSP-5 Photomultiplier Tube Photometer (generation 2)
 

Optec SSP-4 Near IR Photometer
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Optec SSP-4 Near IR Photometer
Item No. 782-22120
Manuf. No. Optec 17006

Using custom J-band and H-band filters the SSP-4 allows amateur astronomers with 10-inch and larger telescopes to perform a level of scientific measurement unheard of just a few years ago.
 
Our Price: $2,495.00
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