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Using the illuminator o D LR41 battery LED Illuminator bracket Other scopes dovetail plate Other bracket Attach with two flat head screws. Be sure that bracket fits perpendicular to main telescope axis Be sure that attachment bolt heads does not protrude above plate System specs subject to change without notice. Proper attachment is the responsibility of the user. The EF-508 is a precision instrument. Protect it from grime, dust, dampness, heat etc to insure long lasting performance Usage warnings Lens cell, tube OD Lens cell φ60mm/ tube 55mm OTA/ bracket weight OTA 520g / bracket 320g illuminator OD φ12mm、length 35mm(when in use) Illuminator power LR41 alkaline button battery x 2 Standard finder bracket Bracket dimension width 60 x depth 36 x height 23mm(horizontal) Attachment screws M5 machine head screws recommended, on 28 to 41mm centers Attachment foot hole size φ5.3mm/lhead size φ8.5mm, bevel 4.4mm Thank you for your purchase of EF-508. Please contact us with any questions regarding use. We also carry many additional products and look forward to hearing from you . Thank you for choosing Kokusai Kohki with your finder purchase. ○ Never point at the sun or other very bright light sources. Doing so can result in loss of eyesight or fire damage, etc. When observing the sun, be sure to use AstroSolar solar filters Rotate Retical focus ring also available from Kokusai Kohki to insure always safe observation. until reticle image is sharp o r yo ur eyes can ○ Do not disassemble or otherwise tamper with this finder. Rotate lock ring to Repair of any resulting damage will incur repair fees. ① ② lock focus position ○ Grime and dirt on the objective or eyepiece lens should be cleaned off when reticle is sharply with a blower or lens cleaner. Do not disassemble lenses when cleaning. opes & Astro nom Telesc imaged. ical er's ○ Clean the finder by wiping it lightly with a soft cloth. Using cleaners m o on KYOTO, JAPAN H may result in damage to the finder so refrain from using them. KOKUSAI KOHKI ○ Be sure that all screws and lock rings etc are firmly locked (KK Magellan) Aligning to your telescope. Ouno Cho 7-7, Kamikatsura, Nishikyo Ku, in place during use. Kyoto 615-8215 JAPAN TEL: +81-75-394-2625 Center a star in your main telescope FAX:+81-75-394-2612 Kokusai Kohki (KK Magellan) and adjust the three alignment screws Ouno Cho 7-7, Kamikatsura, Nishikyo Ku, Kyoto 615-8215 JAPAN to center same star in the finder`s crosshair TEL: +81-75-394-2625 FAX:+81-75-394-2612 Email: [email protected] Email: [email protected] Focusing the reticle. Tampering/d isas se warranty oid lv wil t As tr mbl y e ③ Focuser Attachment screws Standard dovetail plate Compatible with SCT finder attachment holes. Nexstar OK as well SYNTA telescopes Adaptable to all model Synta telescopes. VIXEN type finder mount Adaptable to all model Vixen and Synta telescopes. Compatible finder brackets Can use in place of Losmandy, Vixen, TAK and Televue 50mm finders multicoated φ48mm Pechan prism Multicoated Kelner 18mm, with rubber eyeguard 8X, actual FOV 7°, apparent FOV 56° rotating helicoid focus rt ea Focus on objects of at least 2km distance (or, preferably, a star) Objective lens Effective aperture Correct view prism Eyepiece lens Eye relief magnification and FOV under 61g set screw Damag Find a distant object in FOV, rotate objective lens until object comes to focus. Rotate lock ring to lock focus position Specifications Lock front of finder using the three lock screws on bracket, and adjust the finder FOV to match FOV of main scope using the three rear screws. Dovetail type finder bracket Focus finder. 60mm VIXEN type bracket and Long leg bracket Recticle focus Recticle lock ring Alignment screws & lock ring Adjustment 5mm twin set screw Attachment Lock Setup for SCT, and all telescope OTA Makes sure dirt or grime does not enter illuminator attachment hole when it is removed. The illuminator is fragile. Protect it from shocks and do not disassemble,which can result in loss of function. Disassembly can result in repair charges Focus adjust Focus lock ring 50mm 22mm battery holder Correct view prism Synta type finder bracket saddle Baader Standard Clamp Remove a battery sheet first Finder OTA Lens Cell Standard dovetail plate Do Do NOT no loo t di k at sa ss the em bl sun in . g. es ult DANGER! Attachment screws Forced rotation will create a short, incurring repair fees Do not remove prism from finder! Grime entry and collimations errors can result N O T lo D ok D AN am G at ag ER th ! ca e to e n yo su re u su r e n. lt ye s the sun. Damage to your eyes can result Do NOT rotate this part screw on If LED does not light up when dial is turned, please change the batteries.Use Do NOT point toward two LR41 batteries On/off switch and brightness adjust 36mm Part Names System configuration Warning 19.8mm Manual for the EF-508 Correct View finder Use only caps screws with head width under 8mm diameter, and under 4mm length to secure finder bracket foot to telescope. Using the screws that came with the telescope are preferable. The screw head must not protrude above level of flat part of the foot.