You're right: the hood is permanently attached. Your suggestion to
remove it completely will be my back-up solution if my cutting fails.
The front lens is extremely ball shaped, that makes it vulnerable in
practical use.
My step one will be to cut away from the hood just keeping enough to
avoid the lens toughing the table if I put the lens on the table with
front lens down.
If in that stage I can reach FF coverage down to 12 mm, I am satisfied
for the time being.
I will make a carton copy of the hood before starting to cut.
On 26-Feb-17 15:36, P. J. Alling wrote:
I think he said it was permanently attached to the lens. I know I
could go back and read his original post, but I'm basically lazy this
morning, possibly every morning. That makes a mistake very
expensive. Personally I'd just remove it entirely and figure out
something from ground zero, unless I thought that removal would have
important consequences.
On 2/26/2017 9:16 AM, Steve Cottrell wrote:
On 26/2/17, Jos de Fotograaf, discombobulated, unleashed:
Must be alternative knowledge?
Ha ha - an alternative reality maybe ;-)
If you're going to cut a lens shade up, before you do I would suggest
making some test hoods out of cardboard first, using the existing hood
as a template. That way you can optimise the shading for your needs.
If the hood you are going to cut is not expensive then I would try and
buy more of them as further test mules.
Some hoods are made of extremely hard plastic, others (like some Canon
hoods) are much softer and more flexible.
For a precision job a laser cutting device would give pretty clean
results. For best cheapest, sure a Dremel. Or you could use some fine
modelling saws. Either way you're going to end up with some rough edges
that will need sanding. Suggest nail files for this, rather than actual
sand paper.
Good luck!
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