murrayatuptown
Established
1937(?) Jsolette with Jgestar 85 mm f/6.3 lens...the three set screws (dog or other) have chewed up heads.
Anyone know what thread size those tiny things are?
Thanks
Anyone know what thread size those tiny things are?
Thanks
Moto-Uno
Moto-Uno
Standardization of screw threads weren't so common then . Any local machine shops should be able to measure the diameter and thread pitch . From there you have a chance of finding some replacements. Peter
GoodOldNorm
Member
I purchased a box of these https://www.ebay.co.uk/itm/1000pcs-...3f7af5153:m:mOGhiDS0TPcH9yBt0MNhAww:rk:2:pf:0
and managed to find screws that matched the lens screws on my Bessa 66
and managed to find screws that matched the lens screws on my Bessa 66
murrayatuptown
Established
I got a couple screw samples from a Japanese company...don't remember what size at the moment...elsewhere, someone suggested just identifying as closely as I could...on such small screws, the European vs. Japanese thread differences won't make a difference.
They worked, I got the focus threads cleaned & relubed & cleaned the hazy lenses. I don't remember if I had any shutter problems & did anything. The focus was really wacked out...focused about 1/4" behind the film plane. I let it sit for a while and tonight, unscrewed the rear cell and reversed the rear element as a first retry attempt. It now focuses on a piece of paper in the film plane now...can't find a piece of ground glass or Magic tape at the moment.
So now I'm ready to try it out...but my film developing pace is obviously an obstacle...I guess I could pay a lab, but I dunno...maybe it's a good excuse to make time & space to develop the increasing number of rolls I decided I should do myself instead of paying a lab...when the film is fresh and I have confidence in a camera, maybe the convenience of a lab has merit. WHen prospects of results are slim...paying someone else adds insult to injury!
I put a bright LED inside the bellows in the dark & don't see any pinholes. I think the really old ones had better bellows than the newer Isolettes.
Cool thing about the really old ones is the dual format (4-1/2 x 6 cm & 6x6 cm). Secondary minor cool element is the black Trolitan (Bakelite cousin) top piece.
They worked, I got the focus threads cleaned & relubed & cleaned the hazy lenses. I don't remember if I had any shutter problems & did anything. The focus was really wacked out...focused about 1/4" behind the film plane. I let it sit for a while and tonight, unscrewed the rear cell and reversed the rear element as a first retry attempt. It now focuses on a piece of paper in the film plane now...can't find a piece of ground glass or Magic tape at the moment.
So now I'm ready to try it out...but my film developing pace is obviously an obstacle...I guess I could pay a lab, but I dunno...maybe it's a good excuse to make time & space to develop the increasing number of rolls I decided I should do myself instead of paying a lab...when the film is fresh and I have confidence in a camera, maybe the convenience of a lab has merit. WHen prospects of results are slim...paying someone else adds insult to injury!
I put a bright LED inside the bellows in the dark & don't see any pinholes. I think the really old ones had better bellows than the newer Isolettes.
Cool thing about the really old ones is the dual format (4-1/2 x 6 cm & 6x6 cm). Secondary minor cool element is the black Trolitan (Bakelite cousin) top piece.
BernardL
Well-known
Might be useful. But they provide zero information on the sizes included in their assortment.
raydm6
Yay! Cameras! 🙈🙉🙊┌( ಠ_ಠ)┘ [◉"]
Oops just reread your post, you did find some screws. Excellent.