Takahashi Mewlon - 250, Instruction Manual

Page 1: ... 250 Instruction Manual TAKAHASHI ...

Page 2: ...eI s view landscapes 9 See through cell 10 m Adjustment To align the finder scope 12 13 Collimating the optical axis 14 15 N Observation Visual observation 17 18 ASlrophotography 1 20 V For good usage How to calculate the effective focal length of your Mewlon 250 22 Accessories 2 3 Care and Maintenance for your telescope 24 Trouble shooting 25 System chart 26 Page t ...

Page 3: ...I r Page 2 ...

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Page 5: ... 0 I 0 1 ...

Page 6: ...II Before starting observation Pag8 5 ...

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Page 9: ... visual bl l R v ino 10 ioIg A lu lvio lock dOl i p vided wi b be 50 8mm Id p er Wb loo ucd Ibc Ielap Can be r t a eI f ly_ nil I v ry oocai h n lk 1 1 you fIO d d lloul pri Ir III II 7 111 How 10 sat your 1 1 OCUllf In o he oculer adlplar Tu he lock rl coom or clo k i oel I h Il v of you 1 c 11I ltto h ocullI Idlp e and he lock 1 c l k i rinoly Wbco you like lo lIko out you CUll uri h l k riOI ot...

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Page 12: ...ill Adjustment PallO 11 ...

Page 13: ...of l e liod i h lbe Idju ll le OlcI 11I 0 d lb ptitll IIi of be lioder will 0 b C l Oul or o der tr H tl fr Tho proct lor 1II1Inmtni Ilg T 1 Sci I 10 po r oeulu a o the ul Idlp of lh I le p lad h i lhe eco llt ho ylew field lh objocl io be dlllla of Il I DO Iy o lIer ll Ollt r c cd 2 1i 1I 1001 he lod i IOd LlIn Ill O III h o Idju lIC e ll ooou h III ll ou ho yillLll blck f oly 3 Hold LlIo vllulI ...

Page 14: ...lll II 01 i nllq II liol lld l doo PU J ql 010 fO OOI n 110101 1 1 oql p 1 I ql 0 o UO II UI om ql JU ql q 1 lon p I I J 1 0 JOJOli pono O t I ql lJo poq po P h ll 1 i Uo lOol1 1 pu i ol l no Iip lOA IOO tnnTo 1 noL lqlp l wa 1 o nm 11 po 1VO o RJ p no P II 00 101 0 11 POI VO Ioo OUlntoA 11 0oL Ii P 1 111 p l 0 1i I l 1 p 1I01wnlT 1 11 0 10 10 11 I 1 no ll o do Po o x t 1 I P PIAO d I 101lO wnm P ...

Page 15: ...ill Op Y III 11 colll d Refo you n 0 do you t o ollll 1 h v OO ncr fill to chock r lb op ical ui i io o d If i Ihould h foold 0 of o d do b collim tion t oll d II follow Yo oIIoold le he coll ml a Il you cle cop i loft i b oUlOid ro 010 bl IlOC bo 1 lo lly 1 tbe ar I Sel t I atl bfiibl 2 3 lad bi b b r d c It b vi field Wbet dofoco ed I lod OU l o be fo 1 pllia be bI r IOd oo e i ar ICC lucb bc di...

Page 16: ... il p rfec ly eolUmlted 1 I II I op e 1 1 0 Of ho phI c II itII h In 1110 h 1 ho h o n n 1 I til roor 1 If III hfCc p ed Icrew a 1 lOn d 0 much i I im he oad ry 0 OIi h 00le 0 1 So l e b e eWI little h Iiule w elrc aefo u fiai b yo e rrcella o k Ike lu e of III b pulli le wI bei well i h d teepial be I a dll lIIi Hlched fi ly 10 pi Some itr u a i au or i w 11 ld f ho 1 a d Wh o a II ml e IOU of lJ...

Page 17: ...IV Observation Page 16 ...

Page 18: ...The fo II h b bul efle llY mo ifi loo d be 11 b 10 rr elive 11 lri lloD Tb o lb bllbe clfective ml oiflcaliu of yoo Mewlo il O 111 be SOO x d b 10 3 x 2 Luna Obu uIUon The m II 10 d 1 II 1 ob by b IOGe 0 II p d omOlo UlIo omCfI Wb you Icc lbe wbol f u tIlooo il I onablc fo yoo 0 III II 0 X m Illficalio n III ruJl ph bn 0 eOIl ldulbl Imou o lbe 11J b bicb IIli bl h m you eye If YOll iU collli e you...

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Page 21: ...ll Iou Ililo IIf yllo t k pbll o 10 CI of be mall y o Cl ajoy w d voria loo of y o pho pbio wllb I wide Icedo III b I lncldoo I HCA i ID d ptor fOf toki lloili d pbo o rapb with 21 3 ocol nd i cOD b cbed 1o the vi l back Illustrited M IOificllion c be cboOled w 11 o b u i 01 r I i ob aad U ocolar It CID b ached 10 I 13 SLIl ca era w b T ooet b Cem adepte i s II 10 ad pler fOf lallied pb t pb IItio...

Page 22: ...V For good usage ...

Page 23: ...3262 dl Qui i lII II LDP O O LDP LElO LOP wi cooplio 0 7 LOP with coopliol lot l lUfOl Q l EFFECTIVE FOCAL LENGTIt 290Smlll 28U 30 0 2U2 2873111 300l 299 111 3097111t11 3077111t11 O O tII Quintuple o il1l LDP O 7 T_m JSIIIIII SLR 0 leA 1 35m SLR elmora Or7 Imc Ida cr 111111 SUI cam V ri tndc UIIl SLR t I rl Vlri Ea nder uri lbe I 3 1Il SUI 1I V i E t Dder url_l be 2 3 SL I c ara 3UO m 29 2 m 2USmm...

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Page 26: ... til f ml eVEr r 1M 1lIDcI bcldcol Utll pad II 1M fOQllln conUv Rep I rlUh edl Thl ducope p l 01 of powerl Cln 1 0 1M focused II DOIIllc coble rlll tllM llbc cele firmly a1l 1 dIKUO od1 II _ fOf1Dlld moo Doy 11Ilo seadinl1llc 1IUf_ or mu or wboI willi tva I Ild Illc 1ft 0 _ bat air SIal _ r1lZl J DCI _ Ooodt 1M 1 c han t _ Ialood 1IIo1iloll lilt l U aboWll HI ro adopted U Idacopc lh flllal W dI h ...

Page 27: ... 0eulat 21_Or 22 Er3Zmm 12 n OlIIgon l_m COp 2 DlallO lll1 prI la lI lOP H QUIflIUllIe 1tI 21 Coupl ng lor LDP zt O lOP 30 TSC pnme __ ring n T tI IOIa Il 3 35mm Sl A J8 C _dip U 5 37 NCA c amw adalller 24 snwn e Dculal adaJ t t lot I 0CUII0t 47 Oa oat 1 1 0aMr z 4 DIagonal prism lor 1 1 ocular 110 V ri E t n ...