tai "labai neismanai" tai pasakoji kokias skyes naudot.
Geras stiklas veikia ir ant atviros, sigmas reikia pridarineti, tai kas liks 
is tavo 4.5 pridarius per viena ? ir kas liks is 2.8 jauti skirtuma ?

..
"Pagonis" <fdfd@ee.lt> wrote in message 
news:gtc40i$7g2$1@trimpas.omnitel.net...
> Ta as suprantu, bet ant atviriausios skyles paprastai stiklas siaip ar 
> taip muilina, tai kam pirkti tai, ko dazniausiai nenaudojama...
>
> "ig" <stop@spam.lt> wrote in message 
> news:gtbq6n$mdp$1@trimpas.omnitel.net...
>> Todel kad tamsesnis daug. f2.8 turesi tik iki 20mm, o ten visam 
>> diapazone.
>>
>> The apertures change as you zoom as follows:17-20mm f2.8 ; 21-24mm f3.2 ; 
>> 25-34mm f3.5 ; 35-54mm f4.0 ; 55-70mm f4.5
>>
>>
>> .
>> "Pagonis" <fdfd@ee.lt> wrote in message 
>> news:gtbnij$i08$1@trimpas.omnitel.net...
>>> Labai neismanau, o kodel tarkim ne Sigma 17-70mm f2.8-4.5 DC Macro HSM? 
>>> Butu galima nuspausti pardavejus.
>>>
>>> "WA5" <nera@nebus.nereikia> wrote in message 
>>> news:gtbjmk$b7r$1@trimpas.omnitel.net...
>>>> Tamron 17-50 2.8
>>>> Sigma 70-200 2.8
>>>>
>>>>
>>>> "Ds" <daumantui@yahoo.com> wrote in message 
>>>> news:gtbimi$9ih$1@trimpas.omnitel.net...
>>>>> Kokie galeti buti 2 sviesus stiklai is situ gamintoju, su kuriais 
>>>>> padengciau
>>>>> nuo 17, 18 arba 24 iki 200, 300 mm zidinio nuotoli? Dekoju.
>>>>
>>>>
>>>
>>>
>>
>
>