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2'' ERECTING PRISM

2" ERECTING PRISM£145.00   £135.00

2" 45 degree erecting prism!

Adaptor for Cameras with 1.25'' Nosepieces

Adaptor for Cameras with 1.25" Nosepieces£17.99

Has a 1.25" nosepiece, threaded for standard filters on one end, and an M42x0.75 T-mount thread on the other.

DUAL-SPEED 2'' CRAYFORD FOCUSER FOR SCT TELESCOPES

DUAL-SPEED 2" CRAYFORD FOCUSER FOR SCT TELESCOPES£175.00

High quality CNC machined 10:1 dual-speed focuser

Nirvana-ES UWA-82° 1.25'' Eyepieces

Nirvana-ES UWA-82° 1.25" EyepiecesFrom:  £85.00

OVL 1.25'' Lunar/Planetary Filter Set

OVL 1.25" Lunar/Planetary Filter Set£36.99   £35.00

Comprises 4 x high quality glass colour filters.  

OVL Binoviewer (with x2 Barlow Lens)

OVL Binoviewer (with x2 Barlow Lens)£199.00

Designed to fit into a standard 1.25" eyepiece tube.  

OVL Clear Sky Filter (1.25'')

OVL Clear Sky Filter (1.25")£44.99

Blocks night glow and airglow, sodium and mercury emissions (but not UV or IV). 

OVL Dual-Speed 2'' Crayford Focuser for Refractors

OVL Dual-Speed 2" Crayford Focuser for Refractors£175.00

A high quality CNC Machined 10:1 dual-speed Crayford focuser.

OVL Dual-Speed 2'' Low Profile Crayford Focuser

OVL Dual-Speed 2" Low Profile Crayford Focuser£175.00

A Low Profile CNC machined 10:1 dual-speed focuser designed for Newtonian Reflector telescopes of 9" to 15" aperture, and accepts either 1.25" or 2" eyepieces. 

OVL Field Flattener (with T-ring adaptor)

OVL Field Flattener (with T-ring adaptor)£95.00   £89.00

Superb quality, non-focal reducing Field Flattener optimised for DSLR imaging on refractor telescopes with focal ratios of between f/5.5 to f6.0.

OVL FLIP MIRROR Imaging Diagonal

OVL FLIP MIRROR Imaging Diagonal£79.99   £79.00

Has a 1.25" nosepiece, threaded for standard filters on one end, and an M42x0.75 T-mount thread on the other.

OVL H-Beta Filters

OVL H-Beta FiltersFrom:  £29.99

This high performance CCD filter transmits only the Hydogen Beta emission line, and therefore is useful for greatly increasing the contrast of objects that glow in the corresponding region of the spectrum, for example the Horsehead, Cocoon and California nebulae.

OVL HyperFlex-7E1 7.2mm-21.5mm High-Performance Zoom Eyepiece

OVL HyperFlex-7E1 7.2mm-21.5mm High-Performance Zoom Eyepiece£93.00   £89.00

A high-performance zoom eyepiece of top quality construction, providing a flat field of view and crisp, clear distortion-free images.

OVL HYPERFLEX-7E2 9MM-27MM HIGH PERFORMANCE ZOOM EYEPIECE

OVL HYPERFLEX-7E2 9MM-27MM HIGH PERFORMANCE ZOOM EYEPIECE£105.00   £99.00

A high-performance zoom eyepiece of top quality construction, providing a flat field of view and crisp, clear distortion-free images.

OVL L-RGB CCD Filter Set (1.25'')

OVL L-RGB CCD Filter Set (1.25")£139.00   £129.00

Designed for CCD astrophotography, the set includes Luminance-IR, Red, Green, and Blue dichroic CCD filters. 

OVL Laser Collimator

OVL Laser Collimator£51.99   £49.99

This 1mW red laser collimating device boasts some of the best and most practical functions collimators can offer. 

OVL Light Pollution Filters

OVL Light Pollution FiltersFrom:  £22.00

These contrast-enhancing filters are designed to block out the wavelengths of light emitted by mercury-vapour light and other common causes of light pollution. 

OVL O-III Narrowband Filters

OVL O-III Narrowband FiltersFrom:  £48.00

The O-III narrowband filter is specially designed for the observation of gas and  planetary nebulae.

OVL OFF-AXIS Guider

OVL OFF-AXIS Guider£139.00   £127.00

Designed for use with DSLR and CCD cameras, this low profile Off-Axis guider is a convenient alternative to using a separate conventional guide scope for astrophotography, offering several advantages. 

OVL TWIST LOCK ADAPTOR (2'' to 1.25'')

OVL TWIST LOCK ADAPTOR (2" to 1.25")£31.99   £31.00

The Twist Lock  Adaptor is an innovative 2″-1.25″ low-profile helical self-centering eyepiece adaptor, of metal construction, threaded to accept standard 2″  filters. 

OVL UHC (Ultra High Contrast) Filters

OVL UHC (Ultra High Contrast) FiltersFrom:  £48.00

The narrowband UHC filter isolates the two doubly ionized oxygen lines (496 and 501nm) and hydrogen-beta line (486nm).

OVL UV/IR CUTOFF FILTER (1.25'')

OVL UV/IR CUTOFF FILTER (1.25")£43.99   £42.00

This UV/IR cut filter blocks UV and IR rays to maintain the colour temperature you want, eliminating false colour fringes around bright stars.

OVL Variable Polarising Filters

OVL Variable Polarising FiltersFrom:  £26.00

Progressively dims the view when observing the Moon or bright planets whilst increasing contrast, reducing glare and increasing the amount of detail to study. 

OVL X3 BARLOW LENS (3-ELEMENT)

OVL X3 BARLOW LENS (3-ELEMENT)£69.99   £69.00

Premium x3 short Barlow lens with T-mount camera adaptor thread.

OVL X3 BARLOW LENS (4-ELEMENT)

OVL X3 BARLOW LENS (4-ELEMENT)£79.99   £74.00

Premium x3 Barlow Lens consisting of four lens elements.

Sky-Watcher 5-Position Manual Filter Wheel

Sky-Watcher 5-Position Manual Filter Wheel£69.99   £65.00

This handy, time-saving device is a must-have for astronomers, for both visual and photographic use.

SKYTEE-2 ALT-AZIMUTH Mount

SKYTEE-2 ALT-AZIMUTH MountFrom:  £319.00

The SKYTEE-2 is a heavy duty alt-azimuth mount capable of holding two telescope tubes of up to 15Kg each in parallel.

SLIM PROFILE Binocular Tripod Adapter

SLIM PROFILE Binocular Tripod Adapter£9.99

Designed for roof prism binoculars with a narrow inter-objective distance

Tele-Camera Adaptor (Eyepiece Projection)

Tele-Camera Adaptor (Eyepiece Projection)£44.99   £44.00

For Sky-Watcher models with Direct SLR Camera Connection

   
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