Time to be with your loved ones

Time to be with loved ones

by sat

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4,936 reputation
1528
bio website
location Derby, England
age
visits member for 1 year, 10 months
seen 2 days ago

Jan
3
comment What mount would fit a bare 50mm diameter, 2mm thick filter?
What size lens do you want to mount it on anyway?
Jan
3
comment What mount would fit a bare 50mm diameter, 2mm thick filter?
good shout on the step-up ring! i hadnt though of that!
Jan
3
answered What mount would fit a bare 50mm diameter, 2mm thick filter?
Jan
3
comment How to calculate the optimal pinhole size?
I'm struggling to figure out how the value of d relates to the pinhole size. I had an answer (based on c=1.414, f=50mm) of 234? if this is mm thats a bit big! if thats nm thats far too small... Should all figures be in nm, mm, etc??
Jan
2
answered Is it possible to DIY adjust the focus ring distance scale of a lens?
Jan
1
comment What is the difference in purpose between a focal plane shutter and a leaf shutter on a camera?
Ive resisted putting this as an answer - a VERY important feature of a lens-mounted shutter is flash-sync. it is well known that a lens mounted leaf shutter can sync to 1/1000th+
Jan
1
awarded  Enlightened
Jan
1
awarded  Nice Answer
Jan
1
comment Can I manual adjust focus after half shutter press?
I think the best safety advice is "if it doesnt want to turn, dont force it to"
Jan
1
comment What options or solutions exist for photographers who have to use glasses?
I'm short sighted - so wear the opposite of reading glasses (as per stan rogers). The dioptre adjustment works for me although im only a -2 prescription (which is relatively weak) and i have to have it all the way - side. so i dont think anyone who with a strong prescription would get away with it. Of course the available amount of adjustment is camera dependent, but i have found this to be the case on all of my Nikons.
Dec
31
comment Can I manual adjust focus after half shutter press?
I will add that this cant be done on Nikon AF lenses (the ones driven from the camera's internal AF motor (Im aware this was a Canon specific question)
Dec
30
revised Why do pictures of fire come out purple?
added 11 characters in body
Dec
30
comment Why do pictures of fire come out purple?
this makes me think that phone has NO IR filter at all!!
Dec
30
comment Why do pictures of fire come out purple?
@CLockeWork - its highly unlikely you'll find a ready-made IR filter for your phone tbh...
Dec
30
comment Why do pictures of fire come out purple?
@MichaelNielsen - yes it would, use blu-tak.
Dec
30
comment Why do pictures of fire come out purple?
not really - the only method i can think of is to find some sort of extra IR filter and put it over you lens. You could possibly get one off a dead camera sensor.
Dec
30
revised Why do pictures of fire come out purple?
added 18 characters in body
Dec
30
answered Why do pictures of fire come out purple?
Dec
25
comment What does a 'nano crystal coat' do on this lens?
wow. Now THATS how to do an answer!!!
Dec
22
comment Are older Hasselblad H series cameras worth investing in?
yes as i remembered - the advance winder and locking clips only work in the one orientation.