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he mentions the models when they came up. that doesnt mean that the lens types (see aplanats...) werent produced after that in same or similar outfit. sometime the manufacturers made some changes to...

its a portrait petzval made by Hermagis, probably around 1900-1905 (see serial number). petzval lenses were quite successfull for quite a long time so the manufacturers (especially the ones who...

good prices. well, except the cooke maybe (wenn under market price in my opinion)...

didnt know the Monar was a soft focus lens(?) as far as i know its pure petzval design..?

the Hugo Meyer...

interesting graflex use there.

i kinda stopped working with the hektors because it was really 'to fast' at some point. i mean when you start out with wetplates you want every F stop you can get...

youre completly right. it went up to 200mm (175mm F 2.5, 200mm F2.5, 250mm F2.8, 300mm F2.8). at least thats what i found on a semi official leica page back then. been a couple of years.

i worked...

i think i had all the hektors in my hands. never heard of a 300mm F2.5 hektor though. the largens F2.5 hektor is the 175mm, as far as my knowledge goes...

nice. i have one reading RY102.

almost thought you re talking about my lens here :)

i had a lens with the same trademark. i was quite sure it was a peerless lens. on the other hand peerless also rebranded french made lens at some point, and GCM sounds awfully like Gasc & Charconnet...

there must have been some confusion. i didnt say the lens on ebay has anything to do with antons lens. it was just an example for a Busch petzval which didnt belong to any of the series mentioned in...

its german steven, but i think youre right there. i dont think the studio shutter belongs to this lens. probably was mounted on it later...

i think its rather faster, guessing from the proportions (lenght/width).

nice specimen you have there anton. wonder how such a big busch lenses ended up in the US, but in the end most of those big...

as far as i know the biggest Busch lens (petzval) is the 10 Zoll Mammoth which had a front glass diameter of 275mm and a focal lenght of 860mm. probably at least 2 of those were built. so i guess...

its either a Gruppen Antiplanet or a Rapid Antiplanet. hard to say without seeing how the elements are arranged. also the flange would have been helpfull, since it was mostly engraved.

i would...

if youre looking for landscape work an RR (aplanat) or some other process lenses will work.

if youre looking for portrait work on the other hand i would suggest something with an aperture of at...

'Jamin - Darlot' stands actually for 2 parisien opticians Theodore Jamin and Alphonse Darlot. Darlot worked as an employee in Jamins workshop untill 1860, then for some reasons they banded together...

i use a 250mm conely petzval for 8x10 plates. following the catalouges it should be used for 5x7 maximum. thats because photographers back then actually didnt like the funky swirls and aberrations in...